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3 values
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } #define all(x) (x).begin(), (x).end() #define pll pair<ll, ll> #define rep(i, n) for (int i = 0; i < n; i++) const ll INF = 1LL << 60; const ll mod = (int)1e9 + 7; int main() { // ll N; cin >> N; // ll N,M; cin >> N >> M; // string S; cin >> S; // ll H,W; cin >> H >> W; int dp[3100][3100] = {0}; string s, t; cin >> s >> t; rep(i, s.length()) { rep(j, t.length()) { if (s[i] == t[j]) chmax(dp[i + 1][j + 1], dp[i][j] + 1); chmax(dp[i + 1][j + 1], dp[i + 1][j]); chmax(dp[i + 1][j + 1], dp[i][j + 1]); } } string res = ""; int i = (int)s.size(); int j = (int)t.size(); while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else if (dp[i][j] == dp[i - 1][j - 1]) { res = s[i - 1] + res; i--; j--; } } cout << res << endl; } /* */
#include <bits/stdc++.h> using namespace std; typedef long long ll; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } #define all(x) (x).begin(), (x).end() #define pll pair<ll, ll> #define rep(i, n) for (int i = 0; i < n; i++) const ll INF = 1LL << 60; const ll mod = (int)1e9 + 7; int main() { // ll N; cin >> N; // ll N,M; cin >> N >> M; // string S; cin >> S; // ll H,W; cin >> H >> W; int dp[3100][3100] = {0}; string s, t; cin >> s >> t; rep(i, s.length()) { rep(j, t.length()) { if (s[i] == t[j]) chmax(dp[i + 1][j + 1], dp[i][j] + 1); chmax(dp[i + 1][j + 1], dp[i + 1][j]); chmax(dp[i + 1][j + 1], dp[i][j + 1]); } } string res = ""; int i = (int)s.size(); int j = (int)t.size(); while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else { res = s[i - 1] + res; i--; j--; } } cout << res << endl; } /* */
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TLE
p03165
C++
Runtime Error
// Created by ahmed_drawy on 11/09/19. /// dp educational contest atcoder #include <bits/stdc++.h> #include <string.h> #pragma clang diagnostic push #pragma ide diagnostic ignored "OCUnusedMacroInspection" using namespace std; #define lp(i, start, end) for (int i = start; i < end; ++i) #define lllp(i, start, end) for (ll i = start; i < end; ++i) #define inN(arr, n) \ for (int i = 0; i < n; ++i) \ cin >> arr[i]; #define Rlp(i, start, end) for (int i = start; i > end; --i) #define all(v) ((v).begin(), (v).end()) #define sz(v) (int)((v).size()) #define clr(v, d) memset(v, d, sizeof(v)) #define inf 0x3f3f3f3f // #define dbg (v) for(auto it : v)cout<<it<<' '; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<vector<int>> adj; typedef pair<int, int> pii; const double EPS = 1e-7; const int OO = 1e6; #define endl '\n' #define cint(c) (int)c - '0'; #define itc(c) (char)c + 'A'; bool sortpair(const pair<int, int> &x, const pair<int, int> &y) { return x.first != y.first ? x.first < y.first : x.second > y.second; } int dcomp(double x, double y) { return fabs(x - y) <= EPS ? 0 : x > y ? 1 : -1; } void smile() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("/home/tw3/Desktop/Desktop/training/in.txt", "r", stdin); // freopen("/home/tw3/Desktop/Desktop/training/out.txt" , "w" , stdout); #endif } #define fastin smile() int n, m; const int N = 3000 + 3; int dp[N][N]; string s, t; void build(int i, int j) { if (i == n || j == m) return; if (s[i] == t[j]) { cout << s[i]; build(i + 1, j + 1); return; } if (dp[i + 1][j] > dp[i][j + 1]) build(i + 1, j); else build(i, j + 1); return; } int main() { fastin; cin >> s >> t; n = sz(s), m = sz(t); for (int i = n - 1; i >= 0; --i) { for (int j = m - 1; j >= 0; --j) { int &ret = dp[i][j]; ret = 0; if (s[i] == t[j]) ret = 1 + dp[i + 1][j + 1]; else { ret = max(ret, dp[i + 1][j]); ret = max(ret, dp[i][j + 1]); } } } build(0, 0); }
// Created by ahmed_drawy on 11/09/19. /// dp educational contest atcoder #include <bits/stdc++.h> #include <string.h> #pragma clang diagnostic push #pragma ide diagnostic ignored "OCUnusedMacroInspection" using namespace std; #define lp(i, start, end) for (int i = start; i < end; ++i) #define lllp(i, start, end) for (ll i = start; i < end; ++i) #define inN(arr, n) \ for (int i = 0; i < n; ++i) \ cin >> arr[i]; #define Rlp(i, start, end) for (int i = start; i > end; --i) #define all(v) ((v).begin(), (v).end()) #define sz(v) (int)((v).size()) #define clr(v, d) memset(v, d, sizeof(v)) #define inf 0x3f3f3f3f // #define dbg (v) for(auto it : v)cout<<it<<' '; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<vector<int>> adj; typedef pair<int, int> pii; const double EPS = 1e-7; const int OO = 1e6; #define endl '\n' #define cint(c) (int)c - '0'; #define itc(c) (char)c + 'A'; bool sortpair(const pair<int, int> &x, const pair<int, int> &y) { return x.first != y.first ? x.first < y.first : x.second > y.second; } int dcomp(double x, double y) { return fabs(x - y) <= EPS ? 0 : x > y ? 1 : -1; } void smile() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE // freopen("/home/tw3/Desktop/Desktop/training/in.txt", "r", stdin); // freopen("/home/tw3/Desktop/Desktop/training/out.txt" , "w" , stdout); #endif } #define fastin smile() int n, m; const int N = 3000 + 3; int dp[N][N]; string s, t; void build(int i, int j) { if (i == n || j == m) return; if (s[i] == t[j]) { cout << s[i]; build(i + 1, j + 1); return; } if (dp[i + 1][j] > dp[i][j + 1]) build(i + 1, j); else build(i, j + 1); return; } int main() { fastin; cin >> s >> t; n = sz(s), m = sz(t); for (int i = n - 1; i >= 0; --i) { for (int j = m - 1; j >= 0; --j) { int &ret = dp[i][j]; ret = 0; if (s[i] == t[j]) ret = 1 + dp[i + 1][j + 1]; else { ret = max(ret, dp[i + 1][j]); ret = max(ret, dp[i][j + 1]); } } } build(0, 0); }
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p03165
C++
Runtime Error
#include <cstdio> // 回溯输出 #include <cstring> const int maxn = 3000; char s[maxn], t[maxn]; int dp[maxn][maxn]; int max(int a, int b) { return a > b ? a : b; } void print_string(int, int); int main() { scanf("%s %s", s + 1, t + 1); memset(dp, 0, sizeof(dp)); int len1 = strlen(s + 1); int len2 = strlen(t + 1); int ans = 0; for (int i = 1; i <= len1; i++) { for (int j = 1; j <= len2; j++) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (s[i] == t[j]) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1); if (i == len1 && j == len2) ans = max(ans, dp[i][j]); } } print_string(len1, len2); printf("\n"); return 0; } void print_string(int i, int j) { if (dp[i][j] == 0) return; if (s[i] == t[j] && dp[i][j] == dp[i - 1][j - 1] + 1) { print_string(i - 1, j - 1); printf("%c", s[i]); } else { if (dp[i - 1][j] == dp[i][j]) print_string(i - 1, j); else print_string(i, j - 1); } }
#include <cstdio> // 回溯输出 #include <cstring> const int maxn = 3000 + 5; char s[maxn], t[maxn]; int dp[maxn][maxn]; int max(int a, int b) { return a > b ? a : b; } void print_string(int, int); int main() { scanf("%s %s", s + 1, t + 1); memset(dp, 0, sizeof(dp)); int len1 = strlen(s + 1); int len2 = strlen(t + 1); int ans = 0; for (int i = 1; i <= len1; i++) { for (int j = 1; j <= len2; j++) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (s[i] == t[j]) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1); if (i == len1 && j == len2) ans = max(ans, dp[i][j]); } } print_string(len1, len2); printf("\n"); return 0; } void print_string(int i, int j) { if (dp[i][j] == 0) return; if (s[i] == t[j] && dp[i][j] == dp[i - 1][j - 1] + 1) { print_string(i - 1, j - 1); printf("%c", s[i]); } else { if (dp[i - 1][j] == dp[i][j]) print_string(i - 1, j); else print_string(i, j - 1); } }
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0
p03165
C++
Runtime Error
#include <algorithm> #include <bits/stdc++.h> #include <cmath> #include <ctype.h> #include <deque> //<< fixed << setprecision() #include <iomanip> #include <iostream> #include <map> #include <queue> //priority_queue #include <set> #include <stack> #include <stdio.h> #include <string> #include <vector> typedef long long ll; using namespace std; const double pi = (2 * acos(0)); struct point { long double x, y; }; double area(int x1, int y1, int x2, int y2, int x3, int y3) { double a = (x2 * y3) - (x3 * y2) - (x1 * y3) + (x3 * y1) + (x1 * y2) - (x2 * y1); a /= 2; return fabs(a); } long double anyarea(point p[], int n) { long double sum1 = p[n - 1].x * p[0].y, sum2 = p[n - 1].y * p[0].x; for (int i = 0; i < n - 1; i++) { sum1 += p[i].x * p[i + 1].y; sum2 += p[i].y * p[i + 1].x; } return fabs((sum1 - sum2) * 0.5); } ll fastpow(ll base, ll p, ll m) { if (p == 0) return 1; ll ans = fastpow(base, p / 2, m); ans = ((ans % m) * (ans % m)) % m; if (p % 2) ans = ((base % m) * ans) % m; return ans; } ll GCD(ll M, ll m) { if (M % m == 0) return m; M %= m; ll x1 = M, x2 = m; m = min(x1, x2); M = max(x1, x2); return GCD(M, m); } ll lcm(ll M, ll m) { return (M * m) / GCD(max(M, m), min(M, m)); } int n, n2, k; string s, s2; int dp[2005][2005]; int solve(int i, int j) { if (dp[i][j] != -1) { return dp[i][j]; } if (i >= n || j >= n2) return 0; if (s[i] == s2[j]) { return dp[i][j] = 1 + solve(i + 1, j + 1); } int m = 0, im = -1; return dp[i][j] = max(solve(i, j + 1), solve(i + 1, j)); } void fun(int i, int j) { if (i >= n || j >= n2) return; if (s[i] == s2[j]) { cout << s[i]; fun(i + 1, j + 1); } else if (dp[i][j] == (solve(i, j + 1))) { fun(i, j + 1); } else if (dp[i][j] == solve(i + 1, j)) { fun(i + 1, j); } } int main() { cin >> s >> s2; memset(dp, -1, sizeof dp); n = s.size(); n2 = s2.size(); int x = solve(0, 0); fun(0, 0); }
#include <algorithm> #include <bits/stdc++.h> #include <cmath> #include <ctype.h> #include <deque> //<< fixed << setprecision() #include <iomanip> #include <iostream> #include <map> #include <queue> //priority_queue #include <set> #include <stack> #include <stdio.h> #include <string> #include <vector> typedef long long ll; using namespace std; const double pi = (2 * acos(0)); struct point { long double x, y; }; double area(int x1, int y1, int x2, int y2, int x3, int y3) { double a = (x2 * y3) - (x3 * y2) - (x1 * y3) + (x3 * y1) + (x1 * y2) - (x2 * y1); a /= 2; return fabs(a); } long double anyarea(point p[], int n) { long double sum1 = p[n - 1].x * p[0].y, sum2 = p[n - 1].y * p[0].x; for (int i = 0; i < n - 1; i++) { sum1 += p[i].x * p[i + 1].y; sum2 += p[i].y * p[i + 1].x; } return fabs((sum1 - sum2) * 0.5); } ll fastpow(ll base, ll p, ll m) { if (p == 0) return 1; ll ans = fastpow(base, p / 2, m); ans = ((ans % m) * (ans % m)) % m; if (p % 2) ans = ((base % m) * ans) % m; return ans; } ll GCD(ll M, ll m) { if (M % m == 0) return m; M %= m; ll x1 = M, x2 = m; m = min(x1, x2); M = max(x1, x2); return GCD(M, m); } ll lcm(ll M, ll m) { return (M * m) / GCD(max(M, m), min(M, m)); } int n, n2, k; string s, s2; int dp[3005][3005]; int solve(int i, int j) { if (dp[i][j] != -1) { return dp[i][j]; } if (i >= n || j >= n2) return 0; if (s[i] == s2[j]) { return dp[i][j] = 1 + solve(i + 1, j + 1); } int m = 0, im = -1; return dp[i][j] = max(solve(i, j + 1), solve(i + 1, j)); } void fun(int i, int j) { if (i >= n || j >= n2) return; if (s[i] == s2[j]) { cout << s[i]; fun(i + 1, j + 1); } else if (dp[i][j] == (solve(i, j + 1))) { fun(i, j + 1); } else if (dp[i][j] == solve(i + 1, j)) { fun(i + 1, j); } } int main() { cin >> s >> s2; memset(dp, -1, sizeof dp); n = s.size(); n2 = s2.size(); int x = solve(0, 0); fun(0, 0); }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main() { string text1, text2, str; getline(cin, text1); getline(cin, text2); int m = text1.size() + 1; int n = text2.size() + 1; text1 = '*' + text1; text2 = '*' + text2; int lcs[m][n]; for (int i = 0; i < n; i++) lcs[0][i] = 0; for (int i = 0; i < m; i++) lcs[i][0] = 0; for (int i = 1; i < m; i++) { for (int j = 1; j < n; j++) { if (text1[i] == text2[j]) lcs[i][j] = 1 + lcs[i - 1][j - 1]; else lcs[i][j] = max(lcs[i - 1][j], lcs[i][j - 1]); } } int i = m - 1; int j = n - 1; for (; i >= 1;) { for (; j >= 1 && i >= 1;) { if (lcs[i][j] == 1 + lcs[i - 1][j - 1] && text1[i] == text2[j]) { str = text1[i] + str; i = i - 1; j = j - 1; } else if (lcs[i][j] == lcs[i - 1][j]) i = i - 1; else if (lcs[i][j] == lcs[i][j - 1]) j = j - 1; else break; } } cout << str << "\n"; }
#include <bits/stdc++.h> using namespace std; int main() { string text1, text2, str; getline(cin, text1); getline(cin, text2); int m = text1.size() + 1; int n = text2.size() + 1; text1 = '*' + text1; text2 = '*' + text2; int lcs[m][n]; for (int i = 0; i < n; i++) lcs[0][i] = 0; for (int i = 0; i < m; i++) lcs[i][0] = 0; for (int i = 1; i < m; i++) { for (int j = 1; j < n; j++) { if (text1[i] == text2[j]) lcs[i][j] = 1 + lcs[i - 1][j - 1]; else lcs[i][j] = max(lcs[i - 1][j], lcs[i][j - 1]); } } int i = m - 1; int j = n - 1; while (j - 1 >= 0 && i - 1 >= 0) { if (lcs[i][j] == 1 + lcs[i - 1][j - 1] && text1[i] == text2[j]) { str = text1[i] + str; i = i - 1; j = j - 1; } else if (lcs[i][j] == lcs[i - 1][j]) i = i - 1; else if (lcs[i][j] == lcs[i][j - 1]) j = j - 1; } cout << str << "\n"; }
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TLE
p03165
C++
Runtime Error
#ifndef TEMPLATE #include <bits/stdc++.h> using namespace std; using ll = long long; #define int long long #ifdef LOCAL #include <debug.h> #else #define db(...) 21 #endif #define mp make_pair #define sz(a) ((int)(a).size()) #define mem(x, v) memset((x), (v), sizeof((x))); #define A(x) (x).begin(), (x).end() #define re(i, n) for (int i = 0; i < (int)n; i++) #define rep(i, k, n) for (int i = k; i <= n; i++) #define erp(i, k, n) for (int i = n; i >= k; i--) #define input(v, n) re(i, n) cin >> v[i] using vi = vector<int>; using vpi = vector<pair<int, int>>; using vvi = vector<vi>; using tp = tuple<int, int, int>; using pi = pair<int, int>; const int nax = 1e5 + 7; const int mod = 1e9 + 7; // 1e9+2667 :: 0xcf : inf, 0xc0 -inf const int inf = numeric_limits<int>::max() - (int)9e6; #endif // ===================== MANASH =================== // int n; char ch[3001][3001]; pair<int, int> par[3001][3001]; void test() { string a, b; cin >> a >> b; int m; n = sz(a), m = sz(b); vvi dp(n + 1, vi(m + 1)); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (a[i - 1] == b[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; ch[i][j] = a[i - 1]; par[i][j] = {i - 1, j - 1}; } else if (dp[i - 1][j] > dp[i][j - 1]) { dp[i][j] = dp[i - 1][j]; ch[i][j] = ch[i - 1][j]; par[i][j] = par[i - 1][j]; } else { dp[i][j] = dp[i][j - 1]; ch[i][j] = ch[i][j - 1]; par[i][j] = par[i][j - 1]; } } } string res; int i = n, j = m; while (i and j) { assert(ch[i][j]); res.push_back(ch[i][j]); auto [x, y] = par[i][j]; i = x, j = y; } reverse(A(res)); cout << res; } signed main() { ios_base ::sync_with_stdio(false); cin.tie(NULL); #ifdef LOCAL freopen("input.txt", "r", stdin); #endif int T = 1; // cin >> T; for (int tt = 1; tt <= T; tt++) { // cout << "Case #" << tt << " "; test(); cout << "\n"; } return 0; }
#ifndef TEMPLATE #include <bits/stdc++.h> using namespace std; using ll = long long; #define int long long #ifdef LOCAL #include <debug.h> #else #define db(...) 21 #endif #define mp make_pair #define sz(a) ((int)(a).size()) #define mem(x, v) memset((x), (v), sizeof((x))); #define A(x) (x).begin(), (x).end() #define re(i, n) for (int i = 0; i < (int)n; i++) #define rep(i, k, n) for (int i = k; i <= n; i++) #define erp(i, k, n) for (int i = n; i >= k; i--) #define input(v, n) re(i, n) cin >> v[i] using vi = vector<int>; using vpi = vector<pair<int, int>>; using vvi = vector<vi>; using tp = tuple<int, int, int>; using pi = pair<int, int>; const int nax = 1e5 + 7; const int mod = 1e9 + 7; // 1e9+2667 :: 0xcf : inf, 0xc0 -inf const int inf = numeric_limits<int>::max() - (int)9e6; #endif // ===================== MANASH =================== // int n; char ch[3001][3001]; pair<int, int> par[3001][3001]; void test() { string a, b; cin >> a >> b; int m; n = sz(a), m = sz(b); vvi dp(n + 1, vi(m + 1)); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (a[i - 1] == b[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; ch[i][j] = a[i - 1]; par[i][j] = {i - 1, j - 1}; } else if (dp[i - 1][j] > dp[i][j - 1]) { dp[i][j] = dp[i - 1][j]; ch[i][j] = ch[i - 1][j]; par[i][j] = par[i - 1][j]; } else { dp[i][j] = dp[i][j - 1]; ch[i][j] = ch[i][j - 1]; par[i][j] = par[i][j - 1]; } } } string res; int i = n, j = m; while (ch[i][j]) { assert(ch[i][j]); res.push_back(ch[i][j]); auto [x, y] = par[i][j]; i = x, j = y; } reverse(A(res)); cout << res; } signed main() { ios_base ::sync_with_stdio(false); cin.tie(NULL); #ifdef LOCAL freopen("input.txt", "r", stdin); #endif int T = 1; // cin >> T; for (int tt = 1; tt <= T; tt++) { // cout << "Case #" << tt << " "; test(); cout << "\n"; } return 0; }
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-11
p03165
C++
Runtime Error
// // Created by Ciafrino on 1/6/19. // #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <map> #include <memory> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <utility> #include <vector> using namespace std; typedef long long lint; int dp[100][100]; string get_lcs(string s, string t, int size_s, int size_t) { for (int i = 0; i <= size_s; ++i) { for (int j = 0; j <= size_t; ++j) { if (i == 0 || j == 0) dp[i][j] = 0; else if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int idx = dp[size_s][size_t]; char lcs[idx + 1]; lcs[idx] = '\0'; int i = size_s, j = size_t; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { lcs[idx - 1] = s[i - 1]; --i; --j; --idx; } else if (dp[i - 1][j] > dp[i][j - 1]) --i; else --j; } return lcs; } string read_string() { char *str; scanf("%ms", &str); string result(str); free(str); return result; } int main() { string s, t; s = read_string(); t = read_string(); int size_s = s.size(), size_t = t.size(); string result = get_lcs(s, t, size_s, size_t); cout << result; return 0; }
// // Created by Ciafrino on 1/6/19. // #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <ctime> #include <deque> #include <functional> #include <iostream> #include <map> #include <memory> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <utility> #include <vector> using namespace std; typedef long long lint; int dp[3010][3010]; string get_lcs(string s, string t, int size_s, int size_t) { for (int i = 0; i <= size_s; ++i) { for (int j = 0; j <= size_t; ++j) { if (i == 0 || j == 0) dp[i][j] = 0; else if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int idx = dp[size_s][size_t]; char lcs[idx + 1]; lcs[idx] = '\0'; int i = size_s, j = size_t; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { lcs[idx - 1] = s[i - 1]; --i; --j; --idx; } else if (dp[i - 1][j] > dp[i][j - 1]) --i; else --j; } return lcs; } string read_string() { char *str; scanf("%ms", &str); string result(str); free(str); return result; } int main() { string s, t; s = read_string(); t = read_string(); int size_s = s.size(), size_t = t.size(); string result = get_lcs(s, t, size_s, size_t); cout << result; return 0; }
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p03165
C++
Runtime Error
/* * Note: This template uses some c++11 functions , so you have to compile it * with c++11 flag. Example:- $ g++ -std=c++11 c++Template.cpp * */ /******** All Required Header Files ********/ #include <algorithm> #include <assert.h> #include <bitset> #include <deque> #include <ext/pb_ds/assoc_container.hpp> #include <functional> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <string> #include <time.h> #include <utility> #include <vector> using namespace __gnu_pbds; using namespace std; /******* All Required define Pre-Processors and typedef Constants *******/ #define SCD(t) scanf("%d", &t) #define SCLD(t) scanf("%ld", &t) #define SCLLD(t) scanf("%lld", &t) #define SCC(t) scanf("%c", &t) #define SCS(t) scanf("%s", t) #define SCF(t) scanf("%f", &t) #define SCLF(t) scanf("%lf", &t) #define MEM(a, b) memset(a, (b), sizeof(a)) #define FOR(i, j, k, in) for (int i = j; i < k; i += in) #define RFOR(i, j, k, in) for (int i = j; i >= k; i -= in) #define REP(i, j) FOR(i, 0, j, 1) #define RREP(i, j) RFOR(i, j, 0, 1) #define all(cont) cont.begin(), cont.end() #define rall(cont) cont.end(), cont.begin() #define FOREACH(it, l) for (auto it = l.begin(); it != l.end(); it++) #define IN(A, B, C) assert(B <= A && A <= C) #define MK(arr, n, type) type *arr = new type[n]; #define W(x) \ int x; \ cin >> x; \ while (x--) #define FF first #define SS second #define MP make_pair #define PB push_back #define INF (int)1e9 #define EPS 1e-9 #define PI 3.1415926535897932384626433832795 #define MOD 1000000007 const double pi = acos(-1.0); typedef pair<int, int> PII; typedef vector<int> VI; typedef vector<string> VS; typedef vector<PII> VII; typedef vector<VI> VVI; typedef map<int, int> MPII; typedef set<int> SETI; typedef multiset<int> MSETI; typedef priority_queue<int> PQB; typedef priority_queue<int, VI, greater<int>> PQS; typedef long long ll; typedef long double ld; typedef long int int32; typedef unsigned long int uint32; typedef long long int int64; typedef unsigned long long int uint64; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; /****** Template of some basic operations *****/ template <typename T, typename U> inline void amin(T &x, U y) { if (y < x) x = y; } template <typename T, typename U> inline void amax(T &x, U y) { if (x < y) x = y; } /**********************************************/ /******** User-defined Function *******/ void c_p_c() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } /**************************************/ /********** Main() function **********/ int main() { c_p_c(); string s1, s2; cin >> s1 >> s2; ll i, j; ll n = s1.length(); ll m = s2.length(); ll dp[n + 1][m + 1]; for (i = 0; i <= n; i++) { for (j = 0; j <= m; j++) { if (i == 0 || j == 0) { dp[i][j] = 0; } else if (s1[i - 1] == s2[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } string ans = ""; i = n, j = m; while (i > 0 && j > 0) { if (s1[i - 1] == s2[j - 1]) { ans += s1[i - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } reverse(ans.begin(), ans.end()); cout << ans; return 0; } /******** Main() Ends Here *************/
/* * Note: This template uses some c++11 functions , so you have to compile it * with c++11 flag. Example:- $ g++ -std=c++11 c++Template.cpp * */ /******** All Required Header Files ********/ #include <algorithm> #include <assert.h> #include <bitset> #include <deque> #include <ext/pb_ds/assoc_container.hpp> #include <functional> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <string> #include <time.h> #include <utility> #include <vector> using namespace __gnu_pbds; using namespace std; /******* All Required define Pre-Processors and typedef Constants *******/ #define SCD(t) scanf("%d", &t) #define SCLD(t) scanf("%ld", &t) #define SCLLD(t) scanf("%lld", &t) #define SCC(t) scanf("%c", &t) #define SCS(t) scanf("%s", t) #define SCF(t) scanf("%f", &t) #define SCLF(t) scanf("%lf", &t) #define MEM(a, b) memset(a, (b), sizeof(a)) #define FOR(i, j, k, in) for (int i = j; i < k; i += in) #define RFOR(i, j, k, in) for (int i = j; i >= k; i -= in) #define REP(i, j) FOR(i, 0, j, 1) #define RREP(i, j) RFOR(i, j, 0, 1) #define all(cont) cont.begin(), cont.end() #define rall(cont) cont.end(), cont.begin() #define FOREACH(it, l) for (auto it = l.begin(); it != l.end(); it++) #define IN(A, B, C) assert(B <= A && A <= C) #define MK(arr, n, type) type *arr = new type[n]; #define W(x) \ int x; \ cin >> x; \ while (x--) #define FF first #define SS second #define MP make_pair #define PB push_back #define INF (int)1e9 #define EPS 1e-9 #define PI 3.1415926535897932384626433832795 #define MOD 1000000007 const double pi = acos(-1.0); typedef pair<int, int> PII; typedef vector<int> VI; typedef vector<string> VS; typedef vector<PII> VII; typedef vector<VI> VVI; typedef map<int, int> MPII; typedef set<int> SETI; typedef multiset<int> MSETI; typedef priority_queue<int> PQB; typedef priority_queue<int, VI, greater<int>> PQS; typedef long long ll; typedef long double ld; typedef long int int32; typedef unsigned long int uint32; typedef long long int int64; typedef unsigned long long int uint64; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; /****** Template of some basic operations *****/ template <typename T, typename U> inline void amin(T &x, U y) { if (y < x) x = y; } template <typename T, typename U> inline void amax(T &x, U y) { if (x < y) x = y; } /**********************************************/ /******** User-defined Function *******/ void c_p_c() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } /**************************************/ /********** Main() function **********/ int main() { // c_p_c(); string s1, s2; cin >> s1 >> s2; ll i, j; ll n = s1.length(); ll m = s2.length(); ll dp[n + 1][m + 1]; for (i = 0; i <= n; i++) { for (j = 0; j <= m; j++) { if (i == 0 || j == 0) { dp[i][j] = 0; } else if (s1[i - 1] == s2[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } string ans = ""; i = n, j = m; while (i > 0 && j > 0) { if (s1[i - 1] == s2[j - 1]) { ans += s1[i - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } reverse(ans.begin(), ans.end()); cout << ans; return 0; } /******** Main() Ends Here *************/
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p03165
C++
Time Limit Exceeded
#ifdef _MSC_VER #include "stdc++.h" #endif #ifdef __GNUC__ #include <bits/stdc++.h> #endif using namespace std; using ll = long long; // constant const double EPS = 1e-10; #define REP(i, n) for (ll i = 0; i < n; i++) #define FOR(i, s, e) for (ll i = s; i < e; i++) #define RREP(i, n) for (ll i = n; i >= 0; i--) #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() // debug #define DUMP(x) cerr << #x << " = " << (x) << endl; #define DEBUG(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl; // vector // template<typename T> vector<vector<T>> vv(ll H, ll W, T v) { return // vector<vector<T>> vec(H, vector<T>(W, v)); } // view vector template <typename T> void view(T e) { cerr << e << endl; } template <typename T> void view(const vector<T> &v) { for (const auto &e : v) { cerr << e << " "; } cerr << endl; } template <typename T> void view(const vector<vector<T>> &vv) { for (const auto &v : vv) { view(v); } } // DP template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } // *************************************** int main() { string s, t; cin >> s >> t; ll S = s.size(); ll T = t.size(); vector<vector<ll>> dp(S + 1, vector<ll>(T + 1, 0)); REP(i, S) { REP(j, T) { if (s[i] == t[j]) chmax(dp[i + 1][j + 1], dp[i][j] + 1); chmax(dp[i + 1][j + 1], dp[i][j + 1]); chmax(dp[i + 1][j + 1], dp[i + 1][j]); } } view(dp); ll i = S, j = T; string ans = ""; while (dp[i][j] > 0) { while (dp[i][j] == dp[i][j - 1]) j--; while (dp[i][j] == dp[i - 1][j]) i--; i--; j--; ans = s[i] + ans; } cout << ans << endl; return 0; }
#ifdef _MSC_VER #include "stdc++.h" #endif #ifdef __GNUC__ #include <bits/stdc++.h> #endif using namespace std; using ll = long long; // constant const double EPS = 1e-10; #define REP(i, n) for (ll i = 0; i < n; i++) #define FOR(i, s, e) for (ll i = s; i < e; i++) #define RREP(i, n) for (ll i = n; i >= 0; i--) #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() // debug #define DUMP(x) cerr << #x << " = " << (x) << endl; #define DEBUG(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl; // vector // template<typename T> vector<vector<T>> vv(ll H, ll W, T v) { return // vector<vector<T>> vec(H, vector<T>(W, v)); } // view vector template <typename T> void view(T e) { cerr << e << endl; } template <typename T> void view(const vector<T> &v) { for (const auto &e : v) { cerr << e << " "; } cerr << endl; } template <typename T> void view(const vector<vector<T>> &vv) { for (const auto &v : vv) { view(v); } } // DP template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } // *************************************** int main() { string s, t; cin >> s >> t; ll S = s.size(); ll T = t.size(); vector<vector<ll>> dp(S + 1, vector<ll>(T + 1, 0)); REP(i, S) { REP(j, T) { if (s[i] == t[j]) chmax(dp[i + 1][j + 1], dp[i][j] + 1); chmax(dp[i + 1][j + 1], dp[i][j + 1]); chmax(dp[i + 1][j + 1], dp[i + 1][j]); } } ll i = S, j = T; string ans = ""; while (dp[i][j] > 0) { while (dp[i][j] == dp[i][j - 1]) j--; while (dp[i][j] == dp[i - 1][j]) i--; i--; j--; ans = s[i] + ans; } cout << ans << endl; return 0; }
delete
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TLE
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int dp[3000][3000]; int main() { string s, t; cin >> s; cin >> t; int n = s.length(); int m = t.length(); for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (i == 0 || j == 0) { dp[i][j] = 0; continue; } if (s[i - 1] == t[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } } } string ss = ""; /* for(int i=0;i<=n;i++) { for(int j=0;j<=m;j++) { } }*/ int i = n, j = m; int len = dp[n][m]; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ss += t[j - 1]; i--; j--; } else { if (dp[i][j - 1] < dp[i - 1][j]) { i--; } else j--; } } reverse(ss.begin(), ss.end()); cout << ss << endl; // cout<<dp[n][m]<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; int dp[3005][3005]; int main() { string s, t; cin >> s; cin >> t; int n = s.length(); int m = t.length(); for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (i == 0 || j == 0) { dp[i][j] = 0; continue; } if (s[i - 1] == t[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } } } string ss = ""; /* for(int i=0;i<=n;i++) { for(int j=0;j<=m;j++) { } }*/ int i = n, j = m; int len = dp[n][m]; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ss += t[j - 1]; i--; j--; } else { if (dp[i][j - 1] < dp[i - 1][j]) { i--; } else j--; } } reverse(ss.begin(), ss.end()); cout << ss << endl; // cout<<dp[n][m]<<endl; return 0; }
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0
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int DP[3001][3001]; string S, T, LCS; void Print() { int i = S.length(), j = T.length(); while (i && j) { if (S[i - 1] == T[j - 1]) { LCS += S[i - 1]; i--; j--; } else { if (DP[i - 1][j] > DP[i][j - 1]) i--; else j--; } } reverse(LCS.begin(), LCS.end()); cout << LCS << endl; return; } int main() { cin >> S >> T; if (S.length() == 1) { for (int i = 0; i < T.length(); i++) if (S[0] == T[i]) { cout << S[0] << endl; return 0; } puts(""); return 0; } if (T.length() == 1) { for (int i = 0; i < S.length(); i++) if (T[0] == S[i]) { cout << T[0] << endl; return 0; } puts(""); return 0; } S += ' '; T += ' '; for (int i = 0; i < S.length(); i++) if (T[0] == S[i]) DP[i + 1][1] = 1; for (int i = 0; i < T.length(); i++) if (S[0] == T[i]) DP[1][i + 1] = 1; for (int i = 1; i < S.length(); i++) for (int j = 1; j < T.length(); j++) { if (S[i] == T[j]) DP[i + 1][j + 1] = max(DP[i + 1][j + 1], DP[i][j] + 1); DP[i + 1][j] = max(DP[i + 1][j], DP[i][j]); DP[i][j + 1] = max(DP[i][j + 1], DP[i][j]); } Print(); return 0; }
#include <bits/stdc++.h> using namespace std; int DP[3002][3002]; string S, T, LCS; void Print() { int i = S.length(), j = T.length(); while (i && j) { if (S[i - 1] == T[j - 1]) { LCS += S[i - 1]; i--; j--; } else { if (DP[i - 1][j] > DP[i][j - 1]) i--; else j--; } } reverse(LCS.begin(), LCS.end()); cout << LCS << endl; return; } int main() { cin >> S >> T; if (S.length() == 1) { for (int i = 0; i < T.length(); i++) if (S[0] == T[i]) { cout << S[0] << endl; return 0; } puts(""); return 0; } if (T.length() == 1) { for (int i = 0; i < S.length(); i++) if (T[0] == S[i]) { cout << T[0] << endl; return 0; } puts(""); return 0; } S += ' '; T += ' '; for (int i = 0; i < S.length(); i++) if (T[0] == S[i]) DP[i + 1][1] = 1; for (int i = 0; i < T.length(); i++) if (S[0] == T[i]) DP[1][i + 1] = 1; for (int i = 1; i < S.length(); i++) for (int j = 1; j < T.length(); j++) { if (S[i] == T[j]) DP[i + 1][j + 1] = max(DP[i + 1][j + 1], DP[i][j] + 1); DP[i + 1][j] = max(DP[i + 1][j], DP[i][j]); DP[i][j + 1] = max(DP[i][j + 1], DP[i][j]); } Print(); return 0; }
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0
p03165
C++
Runtime Error
using namespace std; #include <bits/stdc++.h> #define rep(i, s) for (int i = 0; i < s; ++i) #define repr(i, n) for (int i = n; i >= 0; i--) #define FOR(i, m, n) for (int i = m; i < n; i++) #define all(v) (v.begin(), v.end()) #define EACH(i, s) \ for (__typeof__((s).begin()) i = (s).begin(); i != (s).end(); ++i) #define VEC(a, n) vector<int> a(n) #define PQ(a) priority_queue<int> a #define PQmin(a) priority_queue<int, : vector<int>, greater<int>> a #define PAIR pair<int, int> typedef long long ll; typedef pair<ll, ll> l_l; typedef pair<int, int> i_i; #define EPS (1e-7) #define INF (1e10) #define PI (acos(-1)) const ll mod = 1000000007; int main() { ios::sync_with_stdio(false); cin.tie(0); string s, t; cin >> s >> t; int dp[s.size()][t.size()]; rep(i, s.size()) { rep(j, t.size()) { dp[i][j] = 0; } } string res; int n = s.size(); int m = t.size(); FOR(i, 1, n + 1) { FOR(j, 1, m + 1) { if (s[i - 1] == t[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } } } int x = n, y = m; int ndp = dp[x][y]; while (x > 0 & y > 0) { if (ndp - 1 == dp[x - 1][y - 1] && s[x - 1] == t[y - 1]) { x -= 1; y -= 1; ndp -= 1; res = s[x] + res; } else if (ndp == dp[x - 1][y]) { x -= 1; } else { y -= 1; } } cout << res << endl; }
using namespace std; #include <bits/stdc++.h> #define rep(i, s) for (int i = 0; i < s; ++i) #define repr(i, n) for (int i = n; i >= 0; i--) #define FOR(i, m, n) for (int i = m; i < n; i++) #define all(v) (v.begin(), v.end()) #define EACH(i, s) \ for (__typeof__((s).begin()) i = (s).begin(); i != (s).end(); ++i) #define VEC(a, n) vector<int> a(n) #define PQ(a) priority_queue<int> a #define PQmin(a) priority_queue<int, : vector<int>, greater<int>> a #define PAIR pair<int, int> typedef long long ll; typedef pair<ll, ll> l_l; typedef pair<int, int> i_i; #define EPS (1e-7) #define INF (1e10) #define PI (acos(-1)) const ll mod = 1000000007; int main() { ios::sync_with_stdio(false); cin.tie(0); string s, t; cin >> s >> t; int dp[s.size() + 1][t.size() + 1]; rep(i, s.size() + 1) { rep(j, t.size() + 1) { dp[i][j] = 0; } } string res; int n = s.size(); int m = t.size(); FOR(i, 1, n + 1) { FOR(j, 1, m + 1) { if (s[i - 1] == t[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } } } int x = n, y = m; int ndp = dp[x][y]; while (x > 0 & y > 0) { if (ndp - 1 == dp[x - 1][y - 1] && s[x - 1] == t[y - 1]) { x -= 1; y -= 1; ndp -= 1; res = s[x] + res; } else if (ndp == dp[x - 1][y]) { x -= 1; } else { y -= 1; } } cout << res << endl; }
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0
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int dp[3003][3003] = {}; int main() { string s, t; cin >> s >> t; int n = (int)s.size(); int m = (int)t.size(); for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (i * j == 0) dp[i][j] = 0; else if (s[i - 1] == t[j - 1]) dp[i][j] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int i = n; int j = m; string ans; while (i * j > 0) { while (dp[i][j] == dp[i - 1][j]) i--; while (dp[i][j] == dp[i][j - 1]) j--; ans += s[i - 1]; i--; j--; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int dp[3003][3003] = {}; int main() { string s, t; cin >> s >> t; int n = (int)s.size(); int m = (int)t.size(); for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (i * j == 0) dp[i][j] = 0; else if (s[i - 1] == t[j - 1]) dp[i][j] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int i = n; int j = m; string ans; while (i * j > 0 && dp[i][j] > 0) { while (dp[i][j] == dp[i - 1][j]) i--; while (dp[i][j] == dp[i][j - 1]) j--; ans += s[i - 1]; i--; j--; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 1e3 + 7; string s, t; int dp[N][N]; pair<int, int> construct[N][N]; int solve(int i, int j) { if (i == s.size() || j == t.size()) { return 0; } if (dp[i][j] != -1) return dp[i][j]; if (s[i] == t[j]) { construct[i][j] = {i + 1, j + 1}; return dp[i][j] = 1 + solve(i + 1, j + 1); } else { int moveI = solve(i + 1, j); int moveJ = solve(i, j + 1); if (moveI > moveJ) { construct[i][j] = {i + 1, j}; } else { construct[i][j] = {i, j + 1}; } return dp[i][j] = max(moveI, moveJ); } } int main() { cin >> s >> t; memset(dp, -1, sizeof dp); solve(0, 0); pair<int, int> curr = {0, 0}; string ans = ""; while (curr.first < s.size() && curr.second < t.size()) { if (s[curr.first] == t[curr.second]) { ans += s[curr.first]; } curr = construct[curr.first][curr.second]; } cout << ans; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 3e3 + 7; string s, t; int dp[N][N]; pair<int, int> construct[N][N]; int solve(int i, int j) { if (i == s.size() || j == t.size()) { return 0; } if (dp[i][j] != -1) return dp[i][j]; if (s[i] == t[j]) { construct[i][j] = {i + 1, j + 1}; return dp[i][j] = 1 + solve(i + 1, j + 1); } else { int moveI = solve(i + 1, j); int moveJ = solve(i, j + 1); if (moveI > moveJ) { construct[i][j] = {i + 1, j}; } else { construct[i][j] = {i, j + 1}; } return dp[i][j] = max(moveI, moveJ); } } int main() { cin >> s >> t; memset(dp, -1, sizeof dp); solve(0, 0); pair<int, int> curr = {0, 0}; string ans = ""; while (curr.first < s.size() && curr.second < t.size()) { if (s[curr.first] == t[curr.second]) { ans += s[curr.first]; } curr = construct[curr.first][curr.second]; } cout << ans; }
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p03165
C++
Runtime Error
#include <algorithm> #include <cmath> #include <iostream> #include <string> #include <vector> using namespace std; typedef long long ll; const int INF = 1e+9; int main() { static int dp[3010][3010], ma = 0, me[3010][3010]; string s, t, ans; cin >> s >> t; for (int i = 0; i < s.length(); ++i) { for (int j = 0; j < t.length(); ++j) { if (s[i] == t[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; me[i + 1][j + 1] = 1; } else if (dp[i + 1][j] > dp[i][j + 1]) { dp[i + 1][j + 1] = dp[i + 1][j]; me[i + 1][j + 1] = 2; } else { dp[i + 1][j + 1] = dp[i][j + 1]; me[i + 1][j + 1] = 3; } } } for (int i = s.length(); i >= 0;) { for (int j = t.length(); j >= 0;) { if (me[i][j] == 3) i--; else if (me[i][j] == 2) j--; else if (me[i][j] == 1) { i--; j--; ans.push_back(s[i]); } else { i--; j--; } } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <algorithm> #include <cmath> #include <iostream> #include <string> #include <vector> using namespace std; typedef long long ll; const int INF = 1e+9; int main() { static int dp[3010][3010], ma = 0, me[3010][3010]; string s, t, ans; cin >> s >> t; for (int i = 0; i < s.length(); ++i) { for (int j = 0; j < t.length(); ++j) { if (s[i] == t[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; me[i + 1][j + 1] = 1; } else if (dp[i + 1][j] > dp[i][j + 1]) { dp[i + 1][j + 1] = dp[i + 1][j]; me[i + 1][j + 1] = 2; } else { dp[i + 1][j + 1] = dp[i][j + 1]; me[i + 1][j + 1] = 3; } } } for (int i = s.length(); i >= 0;) { for (int j = t.length(); j >= 0;) { if (me[i][j] == 3) i--; else if (me[i][j] == 2) j--; else if (me[i][j] == 1) { i--; j--; ans.push_back(s[i]); } else { i = -1; j = -1; break; } } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; void doc() { freopen("OB.inp", "r", stdin); freopen("OB.out", "w", stdout); } const int MaxN = 3 * 1e3 + 5; int f[MaxN][MaxN]; string s, t; void Trace(int n, int m) { if (n <= 0 || m <= 0) return; if (f[n][m] == f[n - 1][m]) Trace(n - 1, m); else if (f[n][m] == f[n][m - 1]) Trace(n, m - 1); else { Trace(n - 1, m - 1); cout << s[n - 1]; } } void solve() { cin >> s >> t; int n = s.length(); int m = t.length(); // int f[n + 1][m + 1]; for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) { int x = i + 1; int y = j + 1; if (s[i] == t[j]) f[x][y] = f[x - 1][y - 1] + 1; f[x][y] = max(f[x][y], max(f[x - 1][y], f[x][y - 1])); } // for(int i = 1; i <= n; i++){ // for(int j = 1; j <= m; j++) // cout << f[i][j] << " "; // cout << '\n'; // } // cout << f[n][m]; Trace(n, m); } int main() { // ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr); ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr); doc(); solve(); }
#include <bits/stdc++.h> using namespace std; void doc() { freopen("OB.inp", "r", stdin); freopen("OB.out", "w", stdout); } const int MaxN = 3 * 1e3 + 5; int f[MaxN][MaxN]; string s, t; void Trace(int n, int m) { if (n <= 0 || m <= 0) return; if (f[n][m] == f[n - 1][m]) Trace(n - 1, m); else if (f[n][m] == f[n][m - 1]) Trace(n, m - 1); else { Trace(n - 1, m - 1); cout << s[n - 1]; } } void solve() { cin >> s >> t; int n = s.length(); int m = t.length(); // int f[n + 1][m + 1]; for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) { int x = i + 1; int y = j + 1; if (s[i] == t[j]) f[x][y] = f[x - 1][y - 1] + 1; f[x][y] = max(f[x][y], max(f[x - 1][y], f[x][y - 1])); } // for(int i = 1; i <= n; i++){ // for(int j = 1; j <= m; j++) // cout << f[i][j] << " "; // cout << '\n'; // } // cout << f[n][m]; Trace(n, m); } int main() { // ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr); ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr); // doc(); solve(); }
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p03165
C++
Runtime Error
/// Journey to the End of earth /// /// Gunjan Kumar /// #include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // #include <functional> // for less // using namespace __gnu_pbds; using namespace std; #define ll long long #define s(n) scanf("%d", &n) #define ls(n) scanf("%lld", &n) #define p(n) printf("%d", n) // #define ln() printf("\n") #define pln(n) printf("%d\n", n) #define lpln(n) printf("%lld\n", n) #define rep(i, a, n) for (int i = a; i < n; i++) #define rev(i, a, n) for (int i = n - 1; i >= a; i--) #define pb push_back #define mp make_pair #define F first #define S second #define gcd __gcd #define tc \ ll t1; \ cin >> t1; \ while (t1--) #define inp \ ll n; \ cin >> n; \ ll arr[n]; \ rep(i, 0, n) cin >> arr[i]; #define vect vector<ll> #define sortv(v) sort(v.begin(), v.end()) #define lower(v, n) lower_bound(v.begin(), v.end(), n) - v.begin() #define upper(v, n) upper_bound(v.begin(), v.end(), n) - v.begin() #define bitcount(n) __builtin_popcount(n) #define ln << endl #define inf LONG_MAX #define ninf LONG_MIN #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); const ll mod = 1e9 + 7; const ll N = 1e5 + 5; int main() { ios_base::sync_with_stdio(false); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("new.txt", "w", stdout); #endif string s, t; cin >> s >> t; int len1 = s.size(); int len2 = t.size(); int dp[len1 + 1][len2 + 1]; memset(dp, 0, sizeof(dp)); for (int i = 1; i <= len1; i++) { for (int j = 1; j <= len2; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } string ans = ""; int i = len1, j = len2; while (i >= 1 && j >= 1) { if (s[i - 1] == t[j - 1]) { ans.pb(s[i - 1]); i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
/// Journey to the End of earth /// /// Gunjan Kumar /// #include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // #include <functional> // for less // using namespace __gnu_pbds; using namespace std; #define ll long long #define s(n) scanf("%d", &n) #define ls(n) scanf("%lld", &n) #define p(n) printf("%d", n) // #define ln() printf("\n") #define pln(n) printf("%d\n", n) #define lpln(n) printf("%lld\n", n) #define rep(i, a, n) for (int i = a; i < n; i++) #define rev(i, a, n) for (int i = n - 1; i >= a; i--) #define pb push_back #define mp make_pair #define F first #define S second #define gcd __gcd #define tc \ ll t1; \ cin >> t1; \ while (t1--) #define inp \ ll n; \ cin >> n; \ ll arr[n]; \ rep(i, 0, n) cin >> arr[i]; #define vect vector<ll> #define sortv(v) sort(v.begin(), v.end()) #define lower(v, n) lower_bound(v.begin(), v.end(), n) - v.begin() #define upper(v, n) upper_bound(v.begin(), v.end(), n) - v.begin() #define bitcount(n) __builtin_popcount(n) #define ln << endl #define inf LONG_MAX #define ninf LONG_MIN #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); const ll mod = 1e9 + 7; const ll N = 1e5 + 5; int main() { string s, t; cin >> s >> t; int len1 = s.size(); int len2 = t.size(); int dp[len1 + 1][len2 + 1]; memset(dp, 0, sizeof(dp)); for (int i = 1; i <= len1; i++) { for (int j = 1; j <= len2; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } string ans = ""; int i = len1, j = len2; while (i >= 1 && j >= 1) { if (s[i - 1] == t[j - 1]) { ans.pb(s[i - 1]); i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int MAXN = 4096; string s, t; int dp[MAXN][MAXN]; int ls, lt; int pre[MAXN][MAXN]; void dfs(int x, int y) { if (!x && !y) return; if (pre[x][y] == 1) { dfs(x - 1, y - 1); cout << s[x]; } else if (pre[x][y] == 2) { dfs(x, y - 1); } else dfs(x - 1, y); } int main() { cin >> s >> t; ls = s.size(); lt = t.size(); s = '$' + s; t = '$' + t; for (int i = 1; i <= ls; i++) { for (int j = 1; j <= lt; j++) { if (s[i] == t[j]) dp[i][j] = dp[i - 1][j - 1] + 1, pre[i][j] = 1; if (dp[i][j] < dp[i][j - 1]) { dp[i][j] = dp[i][j - 1]; pre[i][j] = 2; } if (dp[i][j] < dp[i - 1][j]) { dp[i][j] = dp[i - 1][j]; pre[i][j] = 3; } } } if (dp[ls][lt]) dfs(ls, lt); else cout << ' '; return 0; }
#include <bits/stdc++.h> using namespace std; const int MAXN = 4096; string s, t; int dp[MAXN][MAXN]; int ls, lt; int pre[MAXN][MAXN]; void dfs(int x, int y) { if (!x || !y) return; if (pre[x][y] == 1) { dfs(x - 1, y - 1); cout << s[x]; } else if (pre[x][y] == 2) { dfs(x, y - 1); } else dfs(x - 1, y); } int main() { cin >> s >> t; ls = s.size(); lt = t.size(); s = '$' + s; t = '$' + t; for (int i = 1; i <= ls; i++) { for (int j = 1; j <= lt; j++) { if (s[i] == t[j]) dp[i][j] = dp[i - 1][j - 1] + 1, pre[i][j] = 1; if (dp[i][j] < dp[i][j - 1]) { dp[i][j] = dp[i][j - 1]; pre[i][j] = 2; } if (dp[i][j] < dp[i - 1][j]) { dp[i][j] = dp[i - 1][j]; pre[i][j] = 3; } } } if (dp[ls][lt]) dfs(ls, lt); else cout << ' '; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #include <vector> using namespace std; int n; char s[3000], t[3000]; vector<char> rs; int slen, tlen; void read() { cin >> s; cin >> t; slen = strlen(s); tlen = strlen(t); } int dp[3005][3005]; int solve() { int i, j; for (i = 0; i <= strlen(s); i++) { dp[i][0] = 0; } for (i = 0; i <= strlen(t); i++) { dp[0][i] = 0; } for (i = 1; i <= strlen(s); i++) { for (j = 1; j <= strlen(t); j++) { if (s[i - 1] == t[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int k = dp[strlen(s)][strlen(t)]; int cnt = k; i = slen; j = tlen; while (cnt > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else if (dp[i][j] != dp[i - 1][j - 1]) { rs.push_back(s[i - 1]); i--; j--; } } for (i = k - 1; i >= 0; i--) cout << rs[i]; return 0; } int main() { read(); solve(); return 0; }
#include <bits/stdc++.h> #include <vector> using namespace std; int n; char s[3000], t[3000]; vector<char> rs; int slen, tlen; void read() { cin >> s; cin >> t; slen = strlen(s); tlen = strlen(t); } int dp[3005][3005]; int solve() { int i, j; for (i = 0; i <= strlen(s); i++) { dp[i][0] = 0; } for (i = 0; i <= strlen(t); i++) { dp[0][i] = 0; } for (i = 1; i <= strlen(s); i++) { for (j = 1; j <= strlen(t); j++) { if (s[i - 1] == t[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int k = dp[strlen(s)][strlen(t)]; int cnt = k; i = slen; j = tlen; while (cnt > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else if (dp[i][j] != dp[i - 1][j - 1]) { rs.push_back(s[i - 1]); i--; j--; cnt--; } } for (i = k - 1; i >= 0; i--) cout << rs[i]; return 0; } int main() { read(); solve(); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define rep(i, a, n) for (int i = a; i < n; i++) #define per(i, a, n) for (int i = n - 1; i >= a; i--) #define pb push_back #define mp make_pair #define all(x) (x).begin(), (x).end() #define fi first #define se second #define SZ(x) ((int)(x).size()) #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0) typedef vector<int> VI; typedef long long ll; typedef pair<int, int> PII; typedef double db; bool comp(int a, int b) { return a > b; } mt19937 mrand(random_device{}()); const ll mod = 1000000007; int rnd(int x) { return mrand() % x; } ll powmod(ll a, ll b) { ll res = 1; a %= mod; assert(b >= 0); for (; b; b >>= 1) { if (b & 1) res = res * a % mod; a = a * a % mod; } return res; } ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } int main() { fast; string s1, s2; cin >> s1 >> s2; ll l1, l2; l1 = s1.length(); l2 = s2.length(); int dp[1001][1001]; memset(dp, 0, sizeof(dp)); rep(i, 0, l1 + 1) { rep(j, 0, l2 + 1) { if (i == 0 || j == 0) { dp[i][j] = 0; // continue; } else if (s1[i - 1] == s2[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; // continue; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); // cout<<dp[i][j]<<" "; } // cout<<endl; } ll i = l1, j = l2; vector<char> c; while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else if (dp[i][j] != dp[i - 1][j - 1]) { // cout<<s1[i-1]; c.push_back(s1[i - 1]); i--; j--; } } // cout<<endl; reverse(c.begin(), c.end()); for (auto x : c) cout << x; }
#include <bits/stdc++.h> using namespace std; #define rep(i, a, n) for (int i = a; i < n; i++) #define per(i, a, n) for (int i = n - 1; i >= a; i--) #define pb push_back #define mp make_pair #define all(x) (x).begin(), (x).end() #define fi first #define se second #define SZ(x) ((int)(x).size()) #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0) typedef vector<int> VI; typedef long long ll; typedef pair<int, int> PII; typedef double db; bool comp(int a, int b) { return a > b; } mt19937 mrand(random_device{}()); const ll mod = 1000000007; int rnd(int x) { return mrand() % x; } ll powmod(ll a, ll b) { ll res = 1; a %= mod; assert(b >= 0); for (; b; b >>= 1) { if (b & 1) res = res * a % mod; a = a * a % mod; } return res; } ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } int main() { fast; string s1, s2; cin >> s1 >> s2; ll l1, l2; l1 = s1.length(); l2 = s2.length(); vector<vector<int>> dp(3010, vector<int>(3010, 0)); // memset(dp,0,sizeof(dp)); rep(i, 0, l1 + 1) { rep(j, 0, l2 + 1) { if (i == 0 || j == 0) { dp[i][j] = 0; // continue; } else if (s1[i - 1] == s2[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; // continue; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); // cout<<dp[i][j]<<" "; } // cout<<endl; } ll i = l1, j = l2; vector<char> c; while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else if (dp[i][j] != dp[i - 1][j - 1]) { // cout<<s1[i-1]; c.push_back(s1[i - 1]); i--; j--; } } // cout<<endl; reverse(c.begin(), c.end()); for (auto x : c) cout << x; }
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p03165
C++
Runtime Error
#pragma GCC optimize("O3") #include <algorithm> #include <iostream> #include <list> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unordered_map> #include <unordered_set> using namespace std; using QWORD = uint64_t; using SQWORD = int64_t; using DWORD = uint32_t; using SDWORD = int32_t; using WORD = uint16_t; using SWORD = int16_t; using BYTE = uint8_t; using SBYTE = int8_t; using DOUBLE = double; using FLOAT = float; #define MIN_SDWORD (-2147483648) #define MAX_SDWORD (2147483647) #define MIN_SBYTE (-128) #define MAX_SBYTE (127) #define MIN_SQWORD (0x8000000000000000) #define MAX_SQWORD (0x7FFFFFFFFFFFFFFF) #define MAX_QWORD (0xFFFFFFFFFFFFFFFF) #define MAX_DWORD (0xFFFFFFFF) #define MAX_WORD (0xFFFF) #define MAX_BYTE (0xFF) #define MAX_DOUBLE (1.0e+308) #define DOUBLE_EPS (1.0e-12) #define MIN_DOUBLE_N (-1.0e+308) #define ArrayLength(a) (sizeof(a) / sizeof(a[0])) static inline DOUBLE MAX(DOUBLE a, DOUBLE b) { return a > b ? a : b; } static inline QWORD MAX(QWORD a, QWORD b) { return a > b ? a : b; } static inline DWORD MAX(DWORD a, DWORD b) { return a > b ? a : b; } static inline SDWORD MAX(SDWORD a, SDWORD b) { return a > b ? a : b; } static inline DOUBLE MIN(DOUBLE a, DOUBLE b) { return a < b ? a : b; } static inline QWORD MIN(QWORD a, QWORD b) { return a < b ? a : b; } static inline DWORD MIN(DWORD a, DWORD b) { return a < b ? a : b; } static inline SDWORD MIN(SDWORD a, SDWORD b) { return a < b ? a : b; } static inline DOUBLE ABS(DOUBLE a) { return 0 < a ? a : -a; }; #define BYTE_BITS (8) #define WORD_BITS (16) #define DWORD_BITS (32) #define QWORD_BITS (64) #define ANS_MOD (1000000007) static const DOUBLE d_PI = 3.14159265358979323846; // static const DOUBLE d_PI = M_PI; static inline bool DoubleIsEqual(DOUBLE a, DOUBLE b) { return ABS(a - b) < DOUBLE_EPS; } static inline void inputStringSpSeparated(char *pcStr) { char *pcCur = pcStr; for (;;) { char c = getchar(); if (('\n' == c) || (EOF == c) || (' ' == c)) { break; } *pcCur = c; pcCur++; } *pcCur = '\0'; } static inline void inputString(char *pcStr) { char *pcCur = pcStr; for (;;) { char c = getchar(); if (('\n' == c) || (EOF == c)) { break; } *pcCur = c; pcCur++; } *pcCur = '\0'; } static inline SQWORD inputSQWORD(void) { SQWORD sqNumber = 0; SQWORD sqMultiplier = 1; bool bRead = false; for (;;) { char c = getchar(); if (!bRead) { if ('-' == c) { sqMultiplier = -1; } } if (('0' <= c) && (c <= '9')) { sqNumber *= 10LL; sqNumber += (SQWORD)(c - '0'); bRead = true; } else { if (bRead) { return sqNumber * sqMultiplier; } } } } static inline SDWORD inputSDWORD(void) { SDWORD lNumber = 0; SDWORD lMultiplier = 1; bool bRead = false; for (;;) { char c = getchar(); if (!bRead) { if ('-' == c) { lMultiplier = -1; } } if (('0' <= c) && (c <= '9')) { lNumber *= 10; lNumber += (c - '0'); bRead = true; } else { if (bRead) { return lNumber * lMultiplier; } } } } static inline DOUBLE inputFP(void) { DOUBLE dInt = 0.0; DOUBLE dFrac = 0.0; DOUBLE dMultiplier = 1.0; DWORD dwFpCnt = 0; DOUBLE *pdCur = &dInt; bool bRead = false; for (;;) { char c = getchar(); if (!bRead) { if ('-' == c) { dMultiplier = -1; } } if ('.' == c) { pdCur = &dFrac; } else if (('0' <= c) && (c <= '9')) { (*pdCur) *= 10; (*pdCur) += (DOUBLE)(c - '0'); bRead = true; if (pdCur == &dFrac) { dwFpCnt++; } } else { if (bRead) { return dMultiplier * (dInt + dFrac / (pow((DOUBLE)10.0, (DOUBLE)dwFpCnt))); } } } } /*----------------------------------------------*/ /** * mod による操作ライブラリ */ #define ANS_MOD (1000000007) class MODINT { static SQWORD MOD; SQWORD m_x; public: MODINT(SQWORD val) { m_x = (val % MOD + MOD) % MOD; }; MODINT() { m_x = 0; } static void Init(SQWORD sqMod) { MOD = sqMod; } MODINT &operator+=(const MODINT a) { m_x = (m_x + a.m_x) % MOD; return *this; }; MODINT &operator-=(const MODINT a) { m_x = (m_x - a.m_x + MOD) % MOD; return *this; }; MODINT &operator*=(const MODINT a) { m_x = (m_x * a.m_x) % MOD; return *this; }; MODINT pow(SQWORD t) const { if (!t) return 1; MODINT a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } MODINT operator+(const MODINT a) const { MODINT res(*this); return (res += a); } MODINT operator-(const MODINT a) const { MODINT res(*this); return (res -= a); } MODINT operator*(const MODINT a) const { MODINT res(*this); return (res *= a); } MODINT operator/(const MODINT a) const { MODINT res(*this); return (res /= a); } /* 逆元 */ MODINT inv() const { return pow(MOD - 2); } /* 除算 */ MODINT &operator/=(const MODINT a) { return (*this) *= a.inv(); } /* 整数版 */ MODINT &operator+=(const SQWORD a) { *this += MODINT(a); return *this; }; MODINT &operator-=(const SQWORD a) { *this -= MODINT(a); return *this; }; MODINT &operator*=(const SQWORD a) { *this *= MODINT(a); return *this; }; MODINT &operator/=(const SQWORD a) { *this /= MODINT(a); return *this; }; SQWORD getVal() { return m_x; }; }; SQWORD MODINT::MOD = ANS_MOD; /*----------------------------------------------*/ #define N_MAX_STRING (3000) static SQWORD s_aasqDpTbl[N_MAX_STRING + 1][N_MAX_STRING + 1]; static SQWORD s_aasqPrevTbl[N_MAX_STRING + 1][N_MAX_STRING + 1]; int main(void) { string strS, strT; cin >> strS; cin >> strT; SQWORD sqLenS = strS.size(); SQWORD sqLenT = strT.size(); /** * dp[i][j]: S の i文字目・T の j文字目までで一致している文字数 */ for (SQWORD sqI = 0; sqI <= sqLenS; sqI++) { for (SQWORD sqJ = 0; sqJ <= sqLenT; sqJ++) { if (strS[sqI] == strT[sqJ]) { /* 一致 */ s_aasqDpTbl[sqI + 1][sqJ + 1] = s_aasqDpTbl[sqI][sqJ] + 1; s_aasqPrevTbl[sqI + 1][sqJ + 1] = ((sqI << WORD_BITS) | sqJ); } else { /* 不一致 */ if (s_aasqDpTbl[sqI + 1][sqJ] < s_aasqDpTbl[sqI][sqJ]) { s_aasqDpTbl[sqI + 1][sqJ] = s_aasqDpTbl[sqI][sqJ]; s_aasqPrevTbl[sqI + 1][sqJ] = ((sqI << WORD_BITS) | sqJ); } if (s_aasqDpTbl[sqI][sqJ + 1] < s_aasqDpTbl[sqI][sqJ]) { s_aasqDpTbl[sqI][sqJ + 1] = s_aasqDpTbl[sqI][sqJ]; s_aasqPrevTbl[sqI][sqJ + 1] = ((sqI << WORD_BITS) | sqJ); } } } } SQWORD sqPosS = sqLenS; SQWORD sqPosT = sqLenT; string strAns; while ((0 < sqPosS) && (0 < sqPosT)) { SQWORD sqPrevPosS = s_aasqPrevTbl[sqPosS][sqPosT] >> WORD_BITS; SQWORD sqPrevPosT = (s_aasqPrevTbl[sqPosS][sqPosT] << (QWORD_BITS - WORD_BITS)) >> (QWORD_BITS - WORD_BITS); sqPosS = sqPrevPosS; sqPosT = sqPrevPosT; if (strS[sqPosS] == strT[sqPosT]) { strAns += strS[sqPosS]; } // printf("%lld %lld\n", sqPrevPosS, sqPrevPosT); } if (0 < strAns.size()) { reverse(strAns.begin(), strAns.end()); } printf("%s\n", strAns.c_str()); return 0; }
#pragma GCC optimize("O3") #include <algorithm> #include <iostream> #include <list> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unordered_map> #include <unordered_set> using namespace std; using QWORD = uint64_t; using SQWORD = int64_t; using DWORD = uint32_t; using SDWORD = int32_t; using WORD = uint16_t; using SWORD = int16_t; using BYTE = uint8_t; using SBYTE = int8_t; using DOUBLE = double; using FLOAT = float; #define MIN_SDWORD (-2147483648) #define MAX_SDWORD (2147483647) #define MIN_SBYTE (-128) #define MAX_SBYTE (127) #define MIN_SQWORD (0x8000000000000000) #define MAX_SQWORD (0x7FFFFFFFFFFFFFFF) #define MAX_QWORD (0xFFFFFFFFFFFFFFFF) #define MAX_DWORD (0xFFFFFFFF) #define MAX_WORD (0xFFFF) #define MAX_BYTE (0xFF) #define MAX_DOUBLE (1.0e+308) #define DOUBLE_EPS (1.0e-12) #define MIN_DOUBLE_N (-1.0e+308) #define ArrayLength(a) (sizeof(a) / sizeof(a[0])) static inline DOUBLE MAX(DOUBLE a, DOUBLE b) { return a > b ? a : b; } static inline QWORD MAX(QWORD a, QWORD b) { return a > b ? a : b; } static inline DWORD MAX(DWORD a, DWORD b) { return a > b ? a : b; } static inline SDWORD MAX(SDWORD a, SDWORD b) { return a > b ? a : b; } static inline DOUBLE MIN(DOUBLE a, DOUBLE b) { return a < b ? a : b; } static inline QWORD MIN(QWORD a, QWORD b) { return a < b ? a : b; } static inline DWORD MIN(DWORD a, DWORD b) { return a < b ? a : b; } static inline SDWORD MIN(SDWORD a, SDWORD b) { return a < b ? a : b; } static inline DOUBLE ABS(DOUBLE a) { return 0 < a ? a : -a; }; #define BYTE_BITS (8) #define WORD_BITS (16) #define DWORD_BITS (32) #define QWORD_BITS (64) #define ANS_MOD (1000000007) static const DOUBLE d_PI = 3.14159265358979323846; // static const DOUBLE d_PI = M_PI; static inline bool DoubleIsEqual(DOUBLE a, DOUBLE b) { return ABS(a - b) < DOUBLE_EPS; } static inline void inputStringSpSeparated(char *pcStr) { char *pcCur = pcStr; for (;;) { char c = getchar(); if (('\n' == c) || (EOF == c) || (' ' == c)) { break; } *pcCur = c; pcCur++; } *pcCur = '\0'; } static inline void inputString(char *pcStr) { char *pcCur = pcStr; for (;;) { char c = getchar(); if (('\n' == c) || (EOF == c)) { break; } *pcCur = c; pcCur++; } *pcCur = '\0'; } static inline SQWORD inputSQWORD(void) { SQWORD sqNumber = 0; SQWORD sqMultiplier = 1; bool bRead = false; for (;;) { char c = getchar(); if (!bRead) { if ('-' == c) { sqMultiplier = -1; } } if (('0' <= c) && (c <= '9')) { sqNumber *= 10LL; sqNumber += (SQWORD)(c - '0'); bRead = true; } else { if (bRead) { return sqNumber * sqMultiplier; } } } } static inline SDWORD inputSDWORD(void) { SDWORD lNumber = 0; SDWORD lMultiplier = 1; bool bRead = false; for (;;) { char c = getchar(); if (!bRead) { if ('-' == c) { lMultiplier = -1; } } if (('0' <= c) && (c <= '9')) { lNumber *= 10; lNumber += (c - '0'); bRead = true; } else { if (bRead) { return lNumber * lMultiplier; } } } } static inline DOUBLE inputFP(void) { DOUBLE dInt = 0.0; DOUBLE dFrac = 0.0; DOUBLE dMultiplier = 1.0; DWORD dwFpCnt = 0; DOUBLE *pdCur = &dInt; bool bRead = false; for (;;) { char c = getchar(); if (!bRead) { if ('-' == c) { dMultiplier = -1; } } if ('.' == c) { pdCur = &dFrac; } else if (('0' <= c) && (c <= '9')) { (*pdCur) *= 10; (*pdCur) += (DOUBLE)(c - '0'); bRead = true; if (pdCur == &dFrac) { dwFpCnt++; } } else { if (bRead) { return dMultiplier * (dInt + dFrac / (pow((DOUBLE)10.0, (DOUBLE)dwFpCnt))); } } } } /*----------------------------------------------*/ /** * mod による操作ライブラリ */ #define ANS_MOD (1000000007) class MODINT { static SQWORD MOD; SQWORD m_x; public: MODINT(SQWORD val) { m_x = (val % MOD + MOD) % MOD; }; MODINT() { m_x = 0; } static void Init(SQWORD sqMod) { MOD = sqMod; } MODINT &operator+=(const MODINT a) { m_x = (m_x + a.m_x) % MOD; return *this; }; MODINT &operator-=(const MODINT a) { m_x = (m_x - a.m_x + MOD) % MOD; return *this; }; MODINT &operator*=(const MODINT a) { m_x = (m_x * a.m_x) % MOD; return *this; }; MODINT pow(SQWORD t) const { if (!t) return 1; MODINT a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } MODINT operator+(const MODINT a) const { MODINT res(*this); return (res += a); } MODINT operator-(const MODINT a) const { MODINT res(*this); return (res -= a); } MODINT operator*(const MODINT a) const { MODINT res(*this); return (res *= a); } MODINT operator/(const MODINT a) const { MODINT res(*this); return (res /= a); } /* 逆元 */ MODINT inv() const { return pow(MOD - 2); } /* 除算 */ MODINT &operator/=(const MODINT a) { return (*this) *= a.inv(); } /* 整数版 */ MODINT &operator+=(const SQWORD a) { *this += MODINT(a); return *this; }; MODINT &operator-=(const SQWORD a) { *this -= MODINT(a); return *this; }; MODINT &operator*=(const SQWORD a) { *this *= MODINT(a); return *this; }; MODINT &operator/=(const SQWORD a) { *this /= MODINT(a); return *this; }; SQWORD getVal() { return m_x; }; }; SQWORD MODINT::MOD = ANS_MOD; /*----------------------------------------------*/ #define N_MAX_STRING (3000) static SQWORD s_aasqDpTbl[N_MAX_STRING + 2][N_MAX_STRING + 2]; static SQWORD s_aasqPrevTbl[N_MAX_STRING + 2][N_MAX_STRING + 2]; int main(void) { string strS, strT; cin >> strS; cin >> strT; SQWORD sqLenS = strS.size(); SQWORD sqLenT = strT.size(); /** * dp[i][j]: S の i文字目・T の j文字目までで一致している文字数 */ for (SQWORD sqI = 0; sqI <= sqLenS; sqI++) { for (SQWORD sqJ = 0; sqJ <= sqLenT; sqJ++) { if (strS[sqI] == strT[sqJ]) { /* 一致 */ s_aasqDpTbl[sqI + 1][sqJ + 1] = s_aasqDpTbl[sqI][sqJ] + 1; s_aasqPrevTbl[sqI + 1][sqJ + 1] = ((sqI << WORD_BITS) | sqJ); } else { /* 不一致 */ if (s_aasqDpTbl[sqI + 1][sqJ] < s_aasqDpTbl[sqI][sqJ]) { s_aasqDpTbl[sqI + 1][sqJ] = s_aasqDpTbl[sqI][sqJ]; s_aasqPrevTbl[sqI + 1][sqJ] = ((sqI << WORD_BITS) | sqJ); } if (s_aasqDpTbl[sqI][sqJ + 1] < s_aasqDpTbl[sqI][sqJ]) { s_aasqDpTbl[sqI][sqJ + 1] = s_aasqDpTbl[sqI][sqJ]; s_aasqPrevTbl[sqI][sqJ + 1] = ((sqI << WORD_BITS) | sqJ); } } } } SQWORD sqPosS = sqLenS; SQWORD sqPosT = sqLenT; string strAns; while ((0 < sqPosS) && (0 < sqPosT)) { SQWORD sqPrevPosS = s_aasqPrevTbl[sqPosS][sqPosT] >> WORD_BITS; SQWORD sqPrevPosT = (s_aasqPrevTbl[sqPosS][sqPosT] << (QWORD_BITS - WORD_BITS)) >> (QWORD_BITS - WORD_BITS); sqPosS = sqPrevPosS; sqPosT = sqPrevPosT; if (strS[sqPosS] == strT[sqPosT]) { strAns += strS[sqPosS]; } // printf("%lld %lld\n", sqPrevPosS, sqPrevPosT); } if (0 < strAns.size()) { reverse(strAns.begin(), strAns.end()); } printf("%s\n", strAns.c_str()); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define CHOOSE(a) CHOOSE2 a #define CHOOSE2(a0, a1, a2, a3, a4, x, ...) x #define dump_1(x1) cerr << #x1 << ": " << x1 << endl #define dump_2(x1, x2) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << endl #define dump_3(x1, x2, x3) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << ", " #x3 << ": " \ << x3 << endl #define dump_4(x1, x2, x3, x4) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << ", " #x3 << ": " \ << x3 << ", " #x4 << ": " << x4 << endl #define dump_5(x1, x2, x3, x4, x5) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << ", " #x3 << ": " \ << x3 << ", " #x4 << ": " << x4 << ", " #x5 << ": " << x5 << endl #define dump(...) \ CHOOSE((__VA_ARGS__, dump_5, dump_4, dump_3, dump_2, dump_1, ~))(__VA_ARGS__) #define check(s) cerr << s << endl #define rep(i, n) for (int i = 0; i < n; i++) #define repr(i, n) for (int i = n; i >= 0; i--) #define FOR(i, m, n) for (int i = m; i < n; i++) #define all(x) (x).begin(), (x).end() #define sz(x) ((int)(x).size()) #define unique(v) v.erase(unique(v.begin(), v.end()), v.end()); #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) using namespace std; using ll = long long; vector<int> dx = {0, 1, 0, -1}; vector<int> dy = {1, 0, -1, 0}; const ll LINF = 2e18; const int INF = 1e9; void solve(std::string s, std::string t) { int N = sz(s); int M = sz(t); vector<vector<int>> dp(N + 1, vector<int>(M + 1, 0)); rep(i, N) { rep(j, M) { int p = dp.at(i + 1).at(j); int q = dp.at(i).at(j + 1); if (p > q) { dp.at(i + 1).at(j + 1) = p; } else { dp.at(i + 1).at(j + 1) = q; if (s.at(i) == t.at(j)) { dp.at(i + 1).at(j + 1)++; } } } } string ans = ""; int l = dp.at(N).at(M); int i = N - 1; int j = M - 1; while (l > 0) { if (s.at(i) == t.at(j)) { ans += s.at(i); i--; j--; l--; } else if (dp.at(i + 1).at(j + 1) == dp.at(i).at(j + 1) && i > 0) { i--; } else if (j > 0) { j--; } } reverse(all(ans)); cout << ans << endl; } int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(15); std::string s; std::cin >> s; std::string t; std::cin >> t; solve(s, t); return 0; }
#include <bits/stdc++.h> #define CHOOSE(a) CHOOSE2 a #define CHOOSE2(a0, a1, a2, a3, a4, x, ...) x #define dump_1(x1) cerr << #x1 << ": " << x1 << endl #define dump_2(x1, x2) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << endl #define dump_3(x1, x2, x3) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << ", " #x3 << ": " \ << x3 << endl #define dump_4(x1, x2, x3, x4) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << ", " #x3 << ": " \ << x3 << ", " #x4 << ": " << x4 << endl #define dump_5(x1, x2, x3, x4, x5) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << ", " #x3 << ": " \ << x3 << ", " #x4 << ": " << x4 << ", " #x5 << ": " << x5 << endl #define dump(...) \ CHOOSE((__VA_ARGS__, dump_5, dump_4, dump_3, dump_2, dump_1, ~))(__VA_ARGS__) #define check(s) cerr << s << endl #define rep(i, n) for (int i = 0; i < n; i++) #define repr(i, n) for (int i = n; i >= 0; i--) #define FOR(i, m, n) for (int i = m; i < n; i++) #define all(x) (x).begin(), (x).end() #define sz(x) ((int)(x).size()) #define unique(v) v.erase(unique(v.begin(), v.end()), v.end()); #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) using namespace std; using ll = long long; vector<int> dx = {0, 1, 0, -1}; vector<int> dy = {1, 0, -1, 0}; const ll LINF = 2e18; const int INF = 1e9; void solve(std::string s, std::string t) { int N = sz(s); int M = sz(t); vector<vector<int>> dp(N + 1, vector<int>(M + 1, 0)); rep(i, N) { rep(j, M) { if (s.at(i) == t.at(j)) dp.at(i + 1).at(j + 1) = dp.at(i).at(j) + 1; else dp.at(i + 1).at(j + 1) = max(dp.at(i).at(j + 1), dp.at(i + 1).at(j)); } } string ans = ""; int l = dp.at(N).at(M); int i = N - 1; int j = M - 1; while (l > 0) { if (s.at(i) == t.at(j)) { ans += s.at(i); i--; j--; l--; } else if (dp.at(i + 1).at(j + 1) == dp.at(i).at(j + 1) && i > 0) { i--; } else if (j > 0) { j--; } } reverse(all(ans)); cout << ans << endl; } int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(15); std::string s; std::cin >> s; std::string t; std::cin >> t; solve(s, t); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long int #define pb push_back #define mp make_pair #define deb(x) cout << #x << " " << x << "\n"; #define MAX 9223372036854775807 #define MIN -9223372036854775807 #define PI 3.141592653589 #define setbits(n) __builtin_popcountll(n) const ll mod = 1e9 + 7; const int N = 3001; int dp[N][N]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll T = clock(); string s, t; cin >> s >> t; ll n = s.size(), m = t.size(); for (ll i = 0; i <= n; i++) { for (ll j = 0; j <= m; j++) { if (i > 0) dp[i][j] = max(dp[i][j], dp[i - 1][j]); if (j > 0) dp[i][j] = max(dp[i][j], dp[i][j - 1]); if (i > 0 && j > 0 && s[i - 1] == t[j - 1]) dp[i][j] = max(dp[i][j], 1 + dp[i - 1][j - 1]); } } // cout<<dp[n][m]; ll i = n, j = m; string ans; while (i >= 0 && j >= 0) { if (s[i - 1] == t[j - 1]) { ans += s[i - 1]; i--, j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } reverse(ans.begin(), ans.end()); cout << ans; cerr << "\n\nTIME: " << (double)(clock() - T) / CLOCKS_PER_SEC << " sec\n"; T = clock(); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long int #define pb push_back #define mp make_pair #define deb(x) cout << #x << " " << x << "\n"; #define MAX 9223372036854775807 #define MIN -9223372036854775807 #define PI 3.141592653589 #define setbits(n) __builtin_popcountll(n) const ll mod = 1e9 + 7; const int N = 3001; int dp[N][N]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll T = clock(); string s, t; cin >> s >> t; ll n = s.size(), m = t.size(); for (ll i = 0; i <= n; i++) { for (ll j = 0; j <= m; j++) { if (i > 0) dp[i][j] = max(dp[i][j], dp[i - 1][j]); if (j > 0) dp[i][j] = max(dp[i][j], dp[i][j - 1]); if (i > 0 && j > 0 && s[i - 1] == t[j - 1]) dp[i][j] = max(dp[i][j], 1 + dp[i - 1][j - 1]); } } // cout<<dp[n][m]; ll i = n, j = m; string ans; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ans += s[i - 1]; i--, j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } reverse(ans.begin(), ans.end()); cout << ans; cerr << "\n\nTIME: " << (double)(clock() - T) / CLOCKS_PER_SEC << " sec\n"; T = clock(); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define ll long long #define ld long double #define endl '\n' #define vll vector<ll> #define vvll vector<vll> #define pll pair<ll, ll> #define vpll vector<pll> #define mp make_pair #define pb push_back #define MOD 1000000007 #define inf 1e18; #define vfind(v, x) (find(all(v), x) != (v).end()) #define clr(c) (c).clear() #define cres(c, n) (c).clear(), (c).resize(n) #define ios \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define fst first #define scd second #define eb(a) emplace_back(a) #define ef(a) emplace_front(a) #define fr(i, n) for (ll(i) = 0; (i) < (n); ++(i)) #define fr1(i, n) for (ll(i) = 1; (i) <= (n); ++(i)) #define frr(i, n) for (ll(i) = (n)-1; (i) >= 0; --(i)) #define frab(i, a, b, c) for (ll(i) = a; (i) <= (b); (i) += (c)) #define mst(A) memset((A), 0, sizeof(A)); using namespace std; void write(vll &oneD) { for (ll i = 0; i < oneD.size(); i++) { printf("%lld ", oneD[i]); } printf("\n"); } void write(vvll &twoD) { for (ll i = 0; i < twoD.size(); i++) { write(twoD[i]); } } void write(vpll &oneDP) { fr(i, oneDP.size()) { printf("%lld %lld\n", oneDP[i].fst, oneDP[i].scd); } cout << "\n"; } void write(map<ll, ll> &mpp) { for (map<ll, ll>::iterator it = mpp.begin(); it != mpp.end(); it++) { cout << it->fst << " : " << it->scd << endl; } cout << endl; } bool cmp(const pair<ll, ll> &a, const pair<ll, ll> &b) { if (a.first == b.first) return (a.scd >= b.scd); return (a.first < b.first); } vll seive; vll primes; void Seive() { const ll maxn = 100005; seive.resize(maxn); fr(i, maxn) seive[i] = 1; for (ll i = 2; i * i < maxn; i++) { if (seive[i] == 1) { for (ll j = i * i; j < maxn; j += i) { seive[j] = 0; } } } primes.pb(2); for (ll i = 3; i < maxn; i += 2) { if (seive[i]) primes.pb(i); } } ll isprime(ll N) { if (N < 2 || (!(N & 1) && N != 2)) return 0; for (ll i = 3; i * i <= N; i += 2) { if (!(N % i)) return 0; } return 1; } ll power(ll x, ll y, ll m) { long long int res = 1; x = x % m; while (y > 0) { // If y is odd, multiply x with result if (y & 1) res = (res * x) % MOD; // y must be even now y = y >> 1; // y = y/2 x = (x * x) % MOD; } return res; } ll modinv(ll x, ll mod = MOD) { return power(x, mod - 2, mod); } //////////////////////////////////////////////////////////////////////////////// ll T[3005][3005]; ll B[100001]; string s1, s2; ll lcs(ll n, ll m) { fr(i, n + 1) { fr(j, m + 1) { if (i == 0 || j == 0) { T[i][j] = 0; } else if (s1[i - 1] == s2[j - 1]) { T[i][j] = 1 + T[i - 1][j - 1]; } else { T[i][j] = max(T[i - 1][j], T[i][j - 1]); } } } int res = T[n][m]; ll p = res; char s[res + 1]; // s[res] = ''; int i = n; int j = m; string s3; while (j > 0 && i > 0) { if (s1[i - 1] == s2[j - 1]) { j--; i--; res--; s[res] = (char)s1[i]; s3 = s3 + ((char)s1[i]); } else if (T[i - 1][j] > T[i][j - 1]) { i--; } else j--; } for (int i = s3.length() - 1; i >= 0; i--) cout << s3[i]; // cout<<endl; // cout<<s<<endl; return p; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("allo.txt", "r", stdin); #endif // freopen("out.txt","w",stdout); ll a, b, c, d; ll k, l, m, n, p, q, r, t, x, y; // cin>>t;while(t--){ map<ll,ll> M; // string s1,s2; cin >> s1 >> s2; n = s1.length(); m = s2.length(); p = lcs(n, m); // cout<<p<<endl; // } }
#include <bits/stdc++.h> #define ll long long #define ld long double #define endl '\n' #define vll vector<ll> #define vvll vector<vll> #define pll pair<ll, ll> #define vpll vector<pll> #define mp make_pair #define pb push_back #define MOD 1000000007 #define inf 1e18; #define vfind(v, x) (find(all(v), x) != (v).end()) #define clr(c) (c).clear() #define cres(c, n) (c).clear(), (c).resize(n) #define ios \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define fst first #define scd second #define eb(a) emplace_back(a) #define ef(a) emplace_front(a) #define fr(i, n) for (ll(i) = 0; (i) < (n); ++(i)) #define fr1(i, n) for (ll(i) = 1; (i) <= (n); ++(i)) #define frr(i, n) for (ll(i) = (n)-1; (i) >= 0; --(i)) #define frab(i, a, b, c) for (ll(i) = a; (i) <= (b); (i) += (c)) #define mst(A) memset((A), 0, sizeof(A)); using namespace std; void write(vll &oneD) { for (ll i = 0; i < oneD.size(); i++) { printf("%lld ", oneD[i]); } printf("\n"); } void write(vvll &twoD) { for (ll i = 0; i < twoD.size(); i++) { write(twoD[i]); } } void write(vpll &oneDP) { fr(i, oneDP.size()) { printf("%lld %lld\n", oneDP[i].fst, oneDP[i].scd); } cout << "\n"; } void write(map<ll, ll> &mpp) { for (map<ll, ll>::iterator it = mpp.begin(); it != mpp.end(); it++) { cout << it->fst << " : " << it->scd << endl; } cout << endl; } bool cmp(const pair<ll, ll> &a, const pair<ll, ll> &b) { if (a.first == b.first) return (a.scd >= b.scd); return (a.first < b.first); } vll seive; vll primes; void Seive() { const ll maxn = 100005; seive.resize(maxn); fr(i, maxn) seive[i] = 1; for (ll i = 2; i * i < maxn; i++) { if (seive[i] == 1) { for (ll j = i * i; j < maxn; j += i) { seive[j] = 0; } } } primes.pb(2); for (ll i = 3; i < maxn; i += 2) { if (seive[i]) primes.pb(i); } } ll isprime(ll N) { if (N < 2 || (!(N & 1) && N != 2)) return 0; for (ll i = 3; i * i <= N; i += 2) { if (!(N % i)) return 0; } return 1; } ll power(ll x, ll y, ll m) { long long int res = 1; x = x % m; while (y > 0) { // If y is odd, multiply x with result if (y & 1) res = (res * x) % MOD; // y must be even now y = y >> 1; // y = y/2 x = (x * x) % MOD; } return res; } ll modinv(ll x, ll mod = MOD) { return power(x, mod - 2, mod); } //////////////////////////////////////////////////////////////////////////////// ll T[3005][3005]; ll B[100001]; string s1, s2; ll lcs(ll n, ll m) { fr(i, n + 1) { fr(j, m + 1) { if (i == 0 || j == 0) { T[i][j] = 0; } else if (s1[i - 1] == s2[j - 1]) { T[i][j] = 1 + T[i - 1][j - 1]; } else { T[i][j] = max(T[i - 1][j], T[i][j - 1]); } } } int res = T[n][m]; ll p = res; char s[res + 1]; // s[res] = ''; int i = n; int j = m; string s3; while (j > 0 && i > 0) { if (s1[i - 1] == s2[j - 1]) { j--; i--; res--; s[res] = (char)s1[i]; s3 = s3 + ((char)s1[i]); } else if (T[i - 1][j] > T[i][j - 1]) { i--; } else j--; } for (int i = s3.length() - 1; i >= 0; i--) cout << s3[i]; // cout<<endl; // cout<<s<<endl; return p; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll a, b, c, d; ll k, l, m, n, p, q, r, t, x, y; // cin>>t;while(t--){ map<ll,ll> M; // string s1,s2; cin >> s1 >> s2; n = s1.length(); m = s2.length(); p = lcs(n, m); // cout<<p<<endl; // } }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; using namespace std; #define ll long long #define endl "\n" #define ar array #define pb push_back #define sz(X) ((int)(X).size()) #define ordered_set \ tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update> #define sort_unique(c) \ (sort(c.begin(), c.end()), \ c.resize(distance(c.begin(), unique(c.begin(), c.end())))) #define get_pos(c, x) (lower_bound(c.begin(), c.end(), x) - c.begin()) #define all(X) (X).begin(), (X).end() #define No cout << "NO" << endl; #define Yes cout << "YES" << endl; #define nl cout << endl; #define gc getchar //_unlocked #define pc putchar //_unlocked template <typename T> ostream &operator+(ostream &out, const vector<T> &vec) { for (const auto &x : vec) { out << x << " "; } out << "\n"; return out; } template <typename T> ostream &operator*(ostream &out, const vector<T> &vec) { for (const auto &x : vec) { out + x; } return out; } template <typename T> istream &operator>>(istream &in, vector<T> &vec) { for (auto &x : vec) { in >> x; } return in; } // DEBUG void DBG() { cerr << "]" << endl; } template <class H, class... T> void DBG(H h, T... t) { cerr << ts(h); if (sizeof...(t)) cerr << ", "; DBG(t...); } #ifdef _DEBUG // compile with -DLOCAL #define dbg(...) \ cerr << "LINE(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", \ DBG(__VA_ARGS__) #else #define dbg(...) 0 #endif template <class T> bool ckmin(T &a, const T &b) { return b < a ? a = b, 1 : 0; } template <class T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; } const int mod = 1e9 + 7; const int mod2 = 998244353; const ll INF = 1e9 + 6; ll add(ll a, ll b) { a += b; return a % mod; } ll mul(ll a, ll b) { a *= b; return a % mod; } inline void lprint(int a) { // printf("%d ",a); ll i = 0; char S[20]; if (a == 0) { pc('0'); pc('\n'); return; } while (a > 0) { S[i++] = a % 10 + '0'; a = a / 10; } --i; while (i >= 0) pc(S[i--]); pc('\n'); } inline ll readInt() { register bool minus = false; ll result = 0; register char ch; ch = gc(); while (true) { if (ch == '-') break; if (ch >= '0' && ch <= '9') break; ch = gc(); } if (ch == '-') minus = true; else result = ch - '0'; while (true) { ch = gc(); if (ch < '0' || ch > '9') break; result = result * 10 + (ch - '0'); } if (minus) return -result; else return result; } inline ll power(ll x, ll y, ll p) { ll res = 1; x = x % p; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x = (x * x) % p; } return res; } int dx[4] = {1, 0, -1, 0}; int dy[4] = {0, 1, 0, -1}; const int MXN = 1e3 + 5; int dp[MXN][MXN]; void solve() { string a, b; cin >> a >> b; int n = sz(a); int m = sz(b); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (a[i] == b[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; } else { dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j]); } } } string ans; while (n > 0 && m > 0) { if (a[n - 1] == b[m - 1]) { ans += a[n - 1]; n--; m--; continue; } if (dp[n - 1][m] > dp[n][m - 1]) { n--; } else { m--; } } reverse(all(ans)); cout << ans << endl; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int t = 1; // cin>>t; while (t--) solve(); // cerr <<endl<< "Time elapsed : " << clock() * 1000.0 / CLOCKS_PER_SEC << " // ms" << '\n'; return 0; } // look if it requires ll
#include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; using namespace std; #define ll long long #define endl "\n" #define ar array #define pb push_back #define sz(X) ((int)(X).size()) #define ordered_set \ tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update> #define sort_unique(c) \ (sort(c.begin(), c.end()), \ c.resize(distance(c.begin(), unique(c.begin(), c.end())))) #define get_pos(c, x) (lower_bound(c.begin(), c.end(), x) - c.begin()) #define all(X) (X).begin(), (X).end() #define No cout << "NO" << endl; #define Yes cout << "YES" << endl; #define nl cout << endl; #define gc getchar //_unlocked #define pc putchar //_unlocked template <typename T> ostream &operator+(ostream &out, const vector<T> &vec) { for (const auto &x : vec) { out << x << " "; } out << "\n"; return out; } template <typename T> ostream &operator*(ostream &out, const vector<T> &vec) { for (const auto &x : vec) { out + x; } return out; } template <typename T> istream &operator>>(istream &in, vector<T> &vec) { for (auto &x : vec) { in >> x; } return in; } // DEBUG void DBG() { cerr << "]" << endl; } template <class H, class... T> void DBG(H h, T... t) { cerr << ts(h); if (sizeof...(t)) cerr << ", "; DBG(t...); } #ifdef _DEBUG // compile with -DLOCAL #define dbg(...) \ cerr << "LINE(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", \ DBG(__VA_ARGS__) #else #define dbg(...) 0 #endif template <class T> bool ckmin(T &a, const T &b) { return b < a ? a = b, 1 : 0; } template <class T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; } const int mod = 1e9 + 7; const int mod2 = 998244353; const ll INF = 1e9 + 6; ll add(ll a, ll b) { a += b; return a % mod; } ll mul(ll a, ll b) { a *= b; return a % mod; } inline void lprint(int a) { // printf("%d ",a); ll i = 0; char S[20]; if (a == 0) { pc('0'); pc('\n'); return; } while (a > 0) { S[i++] = a % 10 + '0'; a = a / 10; } --i; while (i >= 0) pc(S[i--]); pc('\n'); } inline ll readInt() { register bool minus = false; ll result = 0; register char ch; ch = gc(); while (true) { if (ch == '-') break; if (ch >= '0' && ch <= '9') break; ch = gc(); } if (ch == '-') minus = true; else result = ch - '0'; while (true) { ch = gc(); if (ch < '0' || ch > '9') break; result = result * 10 + (ch - '0'); } if (minus) return -result; else return result; } inline ll power(ll x, ll y, ll p) { ll res = 1; x = x % p; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x = (x * x) % p; } return res; } int dx[4] = {1, 0, -1, 0}; int dy[4] = {0, 1, 0, -1}; const int MXN = 3e3 + 5; int dp[MXN][MXN]; void solve() { string a, b; cin >> a >> b; int n = sz(a); int m = sz(b); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (a[i] == b[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; } else { dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j]); } } } string ans; while (n > 0 && m > 0) { if (a[n - 1] == b[m - 1]) { ans += a[n - 1]; n--; m--; continue; } if (dp[n - 1][m] > dp[n][m - 1]) { n--; } else { m--; } } reverse(all(ans)); cout << ans << endl; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int t = 1; // cin>>t; while (t--) solve(); // cerr <<endl<< "Time elapsed : " << clock() * 1000.0 / CLOCKS_PER_SEC << " // ms" << '\n'; return 0; } // look if it requires ll
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p03165
C++
Runtime Error
#include <algorithm> #include <iostream> #include <string> using namespace std; string S, T; pair<int, int> dp[3009][3009]; int main() { cin >> S >> T; for (int i = 0; i <= 3000; i++) { for (int j = 0; j <= 3000; j++) dp[i][j] = make_pair(-1, -1); } dp[0][0] = make_pair(0, -1); for (int i = 0; i < S.size(); i++) { for (int j = 0; j < T.size(); j++) { if (S[i] == T[j]) { dp[i + 1][j + 1] = max(dp[i + 1][j + 1], make_pair(dp[i][j].first + 1, 0)); } dp[i + 1][j] = max(dp[i + 1][j], make_pair(dp[i][j].first, 1)); dp[i][j + 1] = max(dp[i][j + 1], make_pair(dp[i][j].first, 2)); } } int maxn = 0; pair<int, int> maxid = make_pair(-1, -1); for (int i = 0; i <= S.size(); i++) { for (int j = 0; j <= T.size(); j++) { if (dp[i][j].first > maxn) { maxn = dp[i][j].first; maxid = make_pair(i, j); } } } string V; while (maxid != make_pair(0, 0)) { if (dp[maxid.first][maxid.second].second == 0) { maxid.first--; maxid.second--; V += S[maxid.first]; } if (dp[maxid.first][maxid.second].second == 1) maxid.first--; if (dp[maxid.first][maxid.second].second == 2) maxid.second--; } reverse(V.begin(), V.end()); cout << V << endl; return 0; }
#include <algorithm> #include <iostream> #include <string> using namespace std; string S, T; pair<int, int> dp[3009][3009]; int main() { cin >> S >> T; for (int i = 0; i <= 3000; i++) { for (int j = 0; j <= 3000; j++) dp[i][j] = make_pair(-1, -1); } dp[0][0] = make_pair(0, -1); for (int i = 0; i < S.size(); i++) { for (int j = 0; j < T.size(); j++) { if (S[i] == T[j]) { dp[i + 1][j + 1] = max(dp[i + 1][j + 1], make_pair(dp[i][j].first + 1, 0)); } dp[i + 1][j] = max(dp[i + 1][j], make_pair(dp[i][j].first, 1)); dp[i][j + 1] = max(dp[i][j + 1], make_pair(dp[i][j].first, 2)); } } int maxn = -1; pair<int, int> maxid = make_pair(-1, -1); for (int i = 0; i <= S.size(); i++) { for (int j = 0; j <= T.size(); j++) { if (dp[i][j].first > maxn) { maxn = dp[i][j].first; maxid = make_pair(i, j); } } } string V; while (maxid != make_pair(0, 0)) { if (dp[maxid.first][maxid.second].second == 0) { maxid.first--; maxid.second--; V += S[maxid.first]; } if (dp[maxid.first][maxid.second].second == 1) maxid.first--; if (dp[maxid.first][maxid.second].second == 2) maxid.second--; } reverse(V.begin(), V.end()); cout << V << endl; return 0; }
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p03165
C++
Runtime Error
#include <algorithm> #include <assert.h> #include <bitset> #include <iomanip> #include <iostream> #include <list> #include <map> #include <math.h> #include <memory.h> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; #define ll long long #define ppi pair<int, int> #define mp make_pair #define inf 2e16 const int N = 2e5 + 11, K = 20, S = 1e3 + 11; const int mod = 1e9 + 7; int dp[111][111], n, m; int main() { #ifndef ONLINE_JUDGE // freopen("inp.txt", "r", stdin); #endif string a, b; cin >> a >> b; n = a.size(), m = b.size(); for (int i = n - 1; i >= 0; i--) { for (int j = m - 1; j >= 0; j--) { dp[i][j] = max(dp[i + 1][j], dp[i][j + 1]); if (a[i] == b[j]) { dp[i][j] = max(dp[i][j], dp[i + 1][j + 1] + 1); } } } int j = 0; for (int i = 0; i < n; i++) { while (j < m) { if (dp[i][j] == dp[i + 1][j]) break; else if (a[i] == b[j] && dp[i][j] == dp[i + 1][j + 1] + 1) { printf("%c", b[j++]); break; } else j++; } } return 0; }
#include <algorithm> #include <assert.h> #include <bitset> #include <iomanip> #include <iostream> #include <list> #include <map> #include <math.h> #include <memory.h> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; #define ll long long #define ppi pair<int, int> #define mp make_pair #define inf 2e16 const int N = 2e5 + 11, K = 20, S = 1e3 + 11; const int mod = 1e9 + 7; int dp[3011][3011], n, m; int main() { #ifndef ONLINE_JUDGE // freopen("inp.txt", "r", stdin); #endif string a, b; cin >> a >> b; n = a.size(), m = b.size(); for (int i = n - 1; i >= 0; i--) { for (int j = m - 1; j >= 0; j--) { dp[i][j] = max(dp[i + 1][j], dp[i][j + 1]); if (a[i] == b[j]) { dp[i][j] = max(dp[i][j], dp[i + 1][j + 1] + 1); } } } int j = 0; for (int i = 0; i < n; i++) { while (j < m) { if (dp[i][j] == dp[i + 1][j]) break; else if (a[i] == b[j] && dp[i][j] == dp[i + 1][j + 1] + 1) { printf("%c", b[j++]); break; } else j++; } } return 0; }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> /* code credits : ਜ਼ੈਲਦਾਰ dashan jot singh */ using namespace std; #define ll long long int #define fast ios_base::sync_with_stdio(0), cin.tie(NULL), cout.tie(NULL) #define pb push_back #define mp make_pair #define inf LLONG_MAX #define p pair<ll, ll> string s, t; ll a, b; ll dp[3010][3010]; string ans; ll solve(ll i, ll j) { if (i == 0 || j == 0) { return 0; } // ll ans=0; if (s[i - 1] == t[j - 1]) { dp[i][j] = 1 + solve(i - 1, j - 1); return dp[i][j]; } else { dp[i][j] = max(solve(i - 1, j), solve(i, j - 1)); return dp[i][j]; } // dp[i][j]=ans; // return dp[i][j]; } int main() { fast; cin >> s >> t; a = s.length(); b = t.length(); memset(dp, -1, sizeof(dp)); ll axr = solve(a, b); ll i = a; ll j = b; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ans += t[j - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <bits/stdc++.h> /* code credits : ਜ਼ੈਲਦਾਰ dashan jot singh */ using namespace std; #define ll long long int #define fast ios_base::sync_with_stdio(0), cin.tie(NULL), cout.tie(NULL) #define pb push_back #define mp make_pair #define inf LLONG_MAX #define p pair<ll, ll> string s, t; ll a, b; ll dp[3010][3010]; string ans; ll solve(ll i, ll j) { if (i == 0 || j == 0) { return 0; } // ll ans=0; if (dp[i][j] != -1) { return dp[i][j]; } if (s[i - 1] == t[j - 1]) { dp[i][j] = 1 + solve(i - 1, j - 1); return dp[i][j]; } else { dp[i][j] = max(solve(i - 1, j), solve(i, j - 1)); return dp[i][j]; } // dp[i][j]=ans; // return dp[i][j]; } int main() { fast; cin >> s >> t; a = s.length(); b = t.length(); memset(dp, -1, sizeof(dp)); ll axr = solve(a, b); ll i = a; ll j = b; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ans += t[j - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { string a, b; cin >> a >> b; vector<vector<int>> dp(a.length() + 1, vector<int>(b.length() + 1, 0)); for (int i = 1; i <= a.length(); i++) { for (int j = 1; j <= b.length(); j++) { if (a[i - 1] == b[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int i = a.length(); int j = b.length(); string ans; while (i > 0 || j > 0) { if (a[i - 1] == b[j - 1]) { ans += a[i - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { string a, b; cin >> a >> b; vector<vector<int>> dp(a.length() + 1, vector<int>(b.length() + 1, 0)); for (int i = 1; i <= a.length(); i++) { for (int j = 1; j <= b.length(); j++) { if (a[i - 1] == b[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int i = a.length(); int j = b.length(); string ans; while (i > 0 && j > 0) { if (a[i - 1] == b[j - 1]) { ans += a[i - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; string LCS(string s, string t) { int n = s.length(); int m = t.length(); // int dp[n+1][m+1]; int **dp = new int *[n + 1]; for (int i = 0; i <= n; i++) { dp[i] = new int[m + 1]; } // base case for (int j = 0; j <= m; j++) { dp[n][j] = 0; } for (int i = 0; i <= n; i++) { dp[i][m] = 0; } // fill dp array for (int i = n - 1; i >= 0; i--) { for (int j = m - 1; j >= 0; j--) { if (s[i] == t[j]) { dp[i][j] = dp[i + 1][j + 1] + 1; } else { dp[i][j] = max(dp[i + 1][j], dp[i][j + 1]); } } } /* for(int i=0;i<=n;i++){ for(int j=0;j<=m;j++){ cout<<dp[i][j]<<" "; } cout<<endl; }*/ // cout<<dp[0][0]; string ans = ""; // now backtrack the dp array to find the string int i = 0, j = 0; while (i <= n && j <= m) { if (s[i] == t[j]) { ans += s[i]; i++; j++; } else if (dp[i + 1][j] < dp[i][j + 1]) { j++; } else { i++; } } return ans; } int main() { string s, t; cin >> s >> t; string ans = LCS(s, t); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; string LCS(string s, string t) { int n = s.length(); int m = t.length(); // int dp[n+1][m+1]; int **dp = new int *[n + 1]; for (int i = 0; i <= n; i++) { dp[i] = new int[m + 1]; } // base case for (int j = 0; j <= m; j++) { dp[n][j] = 0; } for (int i = 0; i <= n; i++) { dp[i][m] = 0; } // fill dp array for (int i = n - 1; i >= 0; i--) { for (int j = m - 1; j >= 0; j--) { if (s[i] == t[j]) { dp[i][j] = dp[i + 1][j + 1] + 1; } else { dp[i][j] = max(dp[i + 1][j], dp[i][j + 1]); } } } /* for(int i=0;i<=n;i++){ for(int j=0;j<=m;j++){ cout<<dp[i][j]<<" "; } cout<<endl; }*/ // cout<<dp[0][0]; string ans = ""; // now backtrack the dp array to find the string int i = 0, j = 0; while (i < n && j < m) { if (s[i] == t[j]) { ans += s[i]; i++; j++; } else if (dp[i + 1][j] < dp[i][j + 1]) { j++; } else { i++; } } return ans; } int main() { string s, t; cin >> s >> t; string ans = LCS(s, t); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <iostream> using namespace std; string S, T; int dp[1010][1010]; int main() { cin >> S >> T; int n = (int)S.size(); int m = (int)T.size(); // LCSの長さを求める dp[0][0] = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (S[i] == T[j]) { dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j] + 1); } dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i + 1][j]); dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j + 1]); } } // dpテーブルからLCSを復元 string ans = ""; int left_chars = dp[n][m]; // あと何文字残っているか for (int i = n; i > 0; i--) { for (int j = m; j > 0; j--) { if (dp[i - 1][j] == dp[i][j - 1] && dp[i][j - 1] == dp[i - 1][j - 1] && dp[i - 1][j - 1] != dp[i][j] && dp[i][j] == left_chars) { ans = (char)S[i - 1] + ans; left_chars--; break; // 同じ箇所の文字は1回だけ使用可能 } } } cout << ans << endl; return 0; }
#include <algorithm> #include <cstdio> #include <iostream> using namespace std; string S, T; int dp[3010][3010]; int main() { cin >> S >> T; int n = (int)S.size(); int m = (int)T.size(); // LCSの長さを求める dp[0][0] = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (S[i] == T[j]) { dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j] + 1); } dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i + 1][j]); dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j + 1]); } } // dpテーブルからLCSを復元 string ans = ""; int left_chars = dp[n][m]; // あと何文字残っているか for (int i = n; i > 0; i--) { for (int j = m; j > 0; j--) { if (dp[i - 1][j] == dp[i][j - 1] && dp[i][j - 1] == dp[i - 1][j - 1] && dp[i - 1][j - 1] != dp[i][j] && dp[i][j] == left_chars) { ans = (char)S[i - 1] + ans; left_chars--; break; // 同じ箇所の文字は1回だけ使用可能 } } } cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { string s, t; cin >> s >> t; vector<vector<int>> dp(s.length() + 1, vector<int>(t.length() + 1)); for (int i = 0; i < s.length(); i++) { for (int j = 0; j < t.length(); j++) { if (s[i] == t[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; } else { dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j]); } } } string ans = ""; int j = t.length(); int i = s.length(); while (i > 0 || j > 0) { if (s[i - 1] == t[j - 1]) { ans = s[i - 1] + ans; i--; j--; } else { if (dp[i][j] == dp[i - 1][j]) { i--; } else { j--; } } } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int main() { string s, t; cin >> s >> t; vector<vector<int>> dp(s.length() + 1, vector<int>(t.length() + 1)); for (int i = 0; i < s.length(); i++) { for (int j = 0; j < t.length(); j++) { if (s[i] == t[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; } else { dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j]); } } } string ans = ""; int j = t.length(); int i = s.length(); while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ans = s[i - 1] + ans; i--; j--; } else { if (dp[i][j] == dp[i - 1][j]) { i--; } else { j--; } } } cout << ans << endl; }
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p03165
C++
Runtime Error
// // Created by 13783 on 2020/4/2. // #include <iostream> using namespace std; string s, t; const int len = 3e3; int dp[len][len]; int n; void solve() { for (int i = 0; i < s.length(); i++) { for (int j = 0; j < t.length(); j++) { if (s[i] == t[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; } else dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j]); } } string ans; int i = s.length(), j = t.length(); while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j - 1] == dp[i][j]) { j--; } else { i--; j--; ans = s[i] + ans; } } cout << ans; } int main() { cin >> s >> t; solve(); return 0; }
// // Created by 13783 on 2020/4/2. // #include <iostream> using namespace std; string s, t; const int len = 3e3 + 2; int dp[len][len]; int n; void solve() { for (int i = 0; i < s.length(); i++) { for (int j = 0; j < t.length(); j++) { if (s[i] == t[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; } else dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j]); } } string ans; int i = s.length(), j = t.length(); while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j - 1] == dp[i][j]) { j--; } else { i--; j--; ans = s[i] + ans; } } cout << ans; } int main() { cin >> s >> t; solve(); return 0; }
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p03165
C++
Runtime Error
#include <iostream> #include <vector> using namespace std; int main(void) { // Your code here! // int dp[3001][3001] = {{}}; vector<vector<int>> dp(3001, vector<int>(3001, 0)); string S, T; cin >> S; cin >> T; for (int i = 1; i < S.size() + 1; i++) { for (int j = 1; j < T.size() + 1; j++) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (S[i - 1] == T[j - 1]) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1); } } if (dp[S.size()][T.size()] > 0) { int i = S.size(); int j = T.size(); char output[3001]; long long count_output = 0; while (i > 0) { while (j > 0) { if (dp[i][j] == dp[i - 1][j - 1] + 1 && dp[i][j] == dp[i - 1][j] + 1 && dp[i][j] == dp[i][j - 1] + 1) { output[dp[S.size()][T.size()] - count_output - 1] = S[i - 1]; count_output++; i--; j--; } else if (dp[i][j] == dp[i - 1][j]) i--; else if (dp[i][j] == dp[i][j - 1]) j--; } } for (int i = 0; i < count_output; i++) cout << output[i]; } else cout << ' '; }
#include <iostream> #include <vector> using namespace std; int main(void) { // Your code here! // int dp[3001][3001] = {{}}; vector<vector<int>> dp(3001, vector<int>(3001, 0)); string S, T; cin >> S; cin >> T; for (int i = 1; i < S.size() + 1; i++) { for (int j = 1; j < T.size() + 1; j++) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (S[i - 1] == T[j - 1]) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1); } } if (dp[S.size()][T.size()] > 0) { int i = S.size(); int j = T.size(); char output[3001]; long long count_output = 0; long long count = 0; while (true) { if (i == 0 and j == 0) break; if (i > 0 && j > 0 && dp[i][j] == dp[i - 1][j - 1]) { i--; j--; } else if (i > 0 && dp[i][j] == dp[i - 1][j]) i--; else if (j > 0 && dp[i][j] == dp[i][j - 1]) j--; else { output[dp[S.size()][T.size()] - count_output - 1] = S[i - 1]; count_output++; i--; j--; } } for (int i = 0; i < count_output; i++) cout << output[i]; } else cout << ' '; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int MAXN = 3005; int dp[MAXN][MAXN]; int main() { ios::sync_with_stdio(false); cin.tie(0); string s, t; cin >> s >> t; int len_s = (int)s.size(); int len_t = (int)t.size(); memset(dp, 0, sizeof dp); for (int i = 1; i <= len_s; i++) { for (int j = 1; j <= len_t; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int i = len_s, j = len_t; string ans = ""; while (i >= 0 && j >= 0) { if (dp[i][j] == dp[i - 1][j]) i--; else if (dp[i][j] == dp[i][j - 1]) j--; else { ans += s[i - 1]; i--, j--; } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int MAXN = 3005; int dp[MAXN][MAXN]; int main() { ios::sync_with_stdio(false); cin.tie(0); string s, t; cin >> s >> t; int len_s = (int)s.size(); int len_t = (int)t.size(); memset(dp, 0, sizeof dp); for (int i = 1; i <= len_s; i++) { for (int j = 1; j <= len_t; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int i = len_s, j = len_t; string ans = ""; while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) i--; else if (dp[i][j] == dp[i][j - 1]) j--; else { ans += s[i - 1]; i--, j--; } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; // DEFINE and // TYPEDEF-------------------------------------------------------------- // For actual content check from line 85 #define FORG(i, a, n) \ for (lld i = (lld)a; a < n ? i < (lld)n : (lld)n < i; \ a < n ? ++i : --i) // for - general #define FORZ(i, n) for (lld i = 0; i < (lld)n; ++i) // for - zero #define FORGI(i, a, n, inc) \ for (lld i = (lld)a; a < n ? i < (lld)n : (lld)n < i; \ a < n ? i += inc : i -= inc) // for - general incremental #define FORZI(i, n, inc) \ for (lld i = 0; i < (lld)n; i += inc) // for - zero incremental #define SPEEDUP \ ios_base::sync_with_stdio(0); \ cin.tie(NULL); \ cout.tie(NULL); #define MEM(a, val) memset(a, val, sizeof(a)); #define all(m) m.begin(), m.end() #define sz(m) (lld) m.size() #define st first #define nd second #define pb push_back #define DEC(x) fixed << setprecision(x) typedef long long int lld; typedef unsigned long long int ulld; template <typename T1, typename T2> istream &operator>>(istream &in, pair<T1, T2> &a) { in >> a.st >> a.nd; return in; } template <typename T1, typename T2> ostream &operator<<(ostream &out, pair<T1, T2> a) { out << a.st << " " << a.nd; return out; } template <typename T, typename T1> T amax(T &a, T1 b) { if (b > a) a = b; return a; } template <typename T, typename T1> T amin(T &a, T1 b) { if (b < a) a = b; return a; } // DEBUGGER------------------------------------------------------------------------ // #define DEBUG(x) cerr<<(#x)<<" is "<<(x)<<"\n" //to debug values of // variables #define DEBUGON #define ZINDA \ cerr << "\nIdhar-ich hai apun!!\n"; // to debug if code reached that point #ifdef DEBUGON vector<string> vec_splitter(string s) { for (char &c : s) c = c == ',' ? ' ' : c; stringstream ss; ss << s; vector<string> res; for (string z; ss >> z; res.push_back(z)) ; return res; } void debug_out(vector<string> __attribute__((unused)) args, __attribute__((unused)) int idx, __attribute__((unused)) int LINE_NUM) { cerr << endl; } template <typename Head, typename... Tail> void debug_out(vector<string> args, int idx, int LINE_NUM, Head H, Tail... T) { if (idx > 0) cerr << ", "; else cerr << "Line(" << LINE_NUM << "): "; stringstream ss; ss << H; cerr << args[idx] << " = " << ss.str(); debug_out(args, idx + 1, LINE_NUM, T...); } #define debug(...) \ debug_out(vec_splitter(#__VA_ARGS__), 0, __LINE__, __VA_ARGS__); #define DEBUG(...) \ debug_out(vec_splitter(#__VA_ARGS__), 0, __LINE__, __VA_ARGS__); #else #define debug(...) 320; #define DEBUG(...) 320; #endif lld power(lld b, lld e) { assert(e >= 0); if (e == 0) return 1; if (e % 2 == 1) return b * power(b * b, (e - 1) / 2); else return power(b * b, e / 2); } lld power(lld b, lld e, lld m) { assert(e >= 0); if (e == 0) return 1; if (e % 2 == 1) return b * power(((b % m) * (b % m)) % m, (e - 1) / 2, m) % m; else return power(((b % m) * (b % m)) % m, e / 2, m) % m; } #define endl '\n' const long double pi = acos(-1); constexpr int mod = 1e9 + 7; // 1000000007 // endl : changed to '\n', to flush comment that definition //-------------------------------------------------------------------------------- lld dp[3007][3007]; pair<lld, lld> path[3007][3007]; void swagWaalaFunction() { lld n, m; string a, b, ans; cin >> a >> b; n = sz(a); m = sz(b); MEM(dp, 0); FORZ(i, 3007) FORZ(j, 3007) path[i][j] = {0, 0}; if (a[0] == b[0]) { dp[0][0] = 1; path[0][0] = {-1, -1}; } FORZ(i, n) FORZ(j, m) { if (i) { dp[i][j] = dp[i - 1][j]; path[i][j] = {-1, 0}; } if (j and dp[i][j] < dp[i][j - 1]) { dp[i][j] = dp[i][j - 1]; path[i][j] = {0, -1}; } if (a[i] == b[j]) { lld add = 1; if (i and j) add += dp[i - 1][j - 1]; if (add > dp[i][j]) { dp[i][j] = add; path[i][j] = {-1, -1}; } } assert(!(path[i][j].st == 0 and path[i][j].nd == 0)); } lld i = n - 1, j = m - 1; while (i >= 0 and j >= 0) { pair<lld, lld> temp = path[i][j]; if (temp.st == -1 and temp.nd == -1) ans += a[i]; i += temp.st; j += temp.nd; } reverse(ans.begin(), ans.end()); // DEBUG(dp[n-1][m-1]); cout << ans << endl; return; } int main() { SPEEDUP; lld tc = 1; // cin>>tc; #ifdef PRIMES sieve(); #endif #ifdef CHOOSE nCrModInit(); #endif FORZ(i, tc) { // cout<<"Case #"<<i+1<<": "; swagWaalaFunction(); } // cerr<<"\n"<<timeKyaHorhaH; return 0; }
#include <bits/stdc++.h> using namespace std; // DEFINE and // TYPEDEF-------------------------------------------------------------- // For actual content check from line 85 #define FORG(i, a, n) \ for (lld i = (lld)a; a < n ? i < (lld)n : (lld)n < i; \ a < n ? ++i : --i) // for - general #define FORZ(i, n) for (lld i = 0; i < (lld)n; ++i) // for - zero #define FORGI(i, a, n, inc) \ for (lld i = (lld)a; a < n ? i < (lld)n : (lld)n < i; \ a < n ? i += inc : i -= inc) // for - general incremental #define FORZI(i, n, inc) \ for (lld i = 0; i < (lld)n; i += inc) // for - zero incremental #define SPEEDUP \ ios_base::sync_with_stdio(0); \ cin.tie(NULL); \ cout.tie(NULL); #define MEM(a, val) memset(a, val, sizeof(a)); #define all(m) m.begin(), m.end() #define sz(m) (lld) m.size() #define st first #define nd second #define pb push_back #define DEC(x) fixed << setprecision(x) typedef long long int lld; typedef unsigned long long int ulld; template <typename T1, typename T2> istream &operator>>(istream &in, pair<T1, T2> &a) { in >> a.st >> a.nd; return in; } template <typename T1, typename T2> ostream &operator<<(ostream &out, pair<T1, T2> a) { out << a.st << " " << a.nd; return out; } template <typename T, typename T1> T amax(T &a, T1 b) { if (b > a) a = b; return a; } template <typename T, typename T1> T amin(T &a, T1 b) { if (b < a) a = b; return a; } // DEBUGGER------------------------------------------------------------------------ // #define DEBUG(x) cerr<<(#x)<<" is "<<(x)<<"\n" //to debug values of // variables #define DEBUGON #define ZINDA \ cerr << "\nIdhar-ich hai apun!!\n"; // to debug if code reached that point #ifdef DEBUGON vector<string> vec_splitter(string s) { for (char &c : s) c = c == ',' ? ' ' : c; stringstream ss; ss << s; vector<string> res; for (string z; ss >> z; res.push_back(z)) ; return res; } void debug_out(vector<string> __attribute__((unused)) args, __attribute__((unused)) int idx, __attribute__((unused)) int LINE_NUM) { cerr << endl; } template <typename Head, typename... Tail> void debug_out(vector<string> args, int idx, int LINE_NUM, Head H, Tail... T) { if (idx > 0) cerr << ", "; else cerr << "Line(" << LINE_NUM << "): "; stringstream ss; ss << H; cerr << args[idx] << " = " << ss.str(); debug_out(args, idx + 1, LINE_NUM, T...); } #define debug(...) \ debug_out(vec_splitter(#__VA_ARGS__), 0, __LINE__, __VA_ARGS__); #define DEBUG(...) \ debug_out(vec_splitter(#__VA_ARGS__), 0, __LINE__, __VA_ARGS__); #else #define debug(...) 320; #define DEBUG(...) 320; #endif lld power(lld b, lld e) { assert(e >= 0); if (e == 0) return 1; if (e % 2 == 1) return b * power(b * b, (e - 1) / 2); else return power(b * b, e / 2); } lld power(lld b, lld e, lld m) { assert(e >= 0); if (e == 0) return 1; if (e % 2 == 1) return b * power(((b % m) * (b % m)) % m, (e - 1) / 2, m) % m; else return power(((b % m) * (b % m)) % m, e / 2, m) % m; } #define endl '\n' const long double pi = acos(-1); constexpr int mod = 1e9 + 7; // 1000000007 // endl : changed to '\n', to flush comment that definition //-------------------------------------------------------------------------------- lld dp[3007][3007]; pair<lld, lld> path[3007][3007]; void swagWaalaFunction() { lld n, m; string a, b, ans; cin >> a >> b; n = sz(a); m = sz(b); MEM(dp, 0); FORZ(i, 3007) FORZ(j, 3007) path[i][j] = {-1, 0}; if (a[0] == b[0]) { dp[0][0] = 1; path[0][0] = {-1, -1}; } FORZ(i, n) FORZ(j, m) { if (i) { dp[i][j] = dp[i - 1][j]; path[i][j] = {-1, 0}; } if (j and dp[i][j] < dp[i][j - 1]) { dp[i][j] = dp[i][j - 1]; path[i][j] = {0, -1}; } if (a[i] == b[j]) { lld add = 1; if (i and j) add += dp[i - 1][j - 1]; if (add > dp[i][j]) { dp[i][j] = add; path[i][j] = {-1, -1}; } } assert(!(path[i][j].st == 0 and path[i][j].nd == 0)); } lld i = n - 1, j = m - 1; while (i >= 0 and j >= 0) { pair<lld, lld> temp = path[i][j]; if (temp.st == -1 and temp.nd == -1) ans += a[i]; i += temp.st; j += temp.nd; } reverse(ans.begin(), ans.end()); // DEBUG(dp[n-1][m-1]); cout << ans << endl; return; } int main() { SPEEDUP; lld tc = 1; // cin>>tc; #ifdef PRIMES sieve(); #endif #ifdef CHOOSE nCrModInit(); #endif FORZ(i, tc) { // cout<<"Case #"<<i+1<<": "; swagWaalaFunction(); } // cerr<<"\n"<<timeKyaHorhaH; return 0; }
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p03165
C++
Runtime Error
/* [Gnana Deepak] [August 01, 2020 7:44 PM] [F - LCS] [https://atcoder.jp/contests/dp/tasks/dp_f] [2000 ms] [1024 MB] */ #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; using namespace std; using ld = long double; #pragma GCC optimize("O3") #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define int long long #define F first #define S second #define orderKey order_of_key #define findOrder find_by_order #define s(x) set<x> #define um(x, y) unordered_map<x, y> #define m(x, y) map<x, y> #define p(x, y) pair<x, y> #define v(x) vector<x> #define min_heap(t) priority_queue<t, vector<t>, greater<t>> #define max_heap(t) priority_queue<t> #define ordered_set(x) \ tree<x, null_type, less<x>, rb_tree_tag, tree_order_statistics_node_update> #define eb emplace_back #define mp make_pair #define all(v) v.begin(), v.end() #define ss(v) stable_sort(all(v)) #define fori(i, a, b) for (int i = a; i <= b; i++) #define fastio \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define stprs(x) cout << fixed << setprecision(x); #define FILE_READ_IN freopen("input.txt", "r", stdin); #define FILE_READ_OUT freopen("output.txt", "w", stdout); #define bs binary_search #define deb(x) cout << #x << "=" << x << '\n'; #define scn(v1) \ for (auto &x : v1) \ cin >> x; #define R(x) reverse(all(x)); #define lb lower_bound #define ub upper_bound const char nl = '\n'; const int mod1 = 1e9 + 7; const int mod2 = 998244353; const ld PI = acos(-1); const int N = 3000; const int imx = LLONG_MAX; int DP[N + 1][N + 1]; void accio_ac(void) { string S, T; cin >> S >> T; int s = S.length(); int t = T.length(); fori(i, 0, s) fori(j, 0, t) { if (i == 0 or j == 0) { DP[i][j] = 0; } else { if (S[i - 1] == T[j - 1]) { DP[i][j] = 1 + DP[i - 1][j - 1]; } else { DP[i][j] = max(DP[i - 1][j], DP[i][j - 1]); } } } stack<char> Stack; int i = s - 1; int j = t - 1; while (i >= 0 and j >= 0) { if (S[i] == T[j]) { Stack.push(S[i]); --i; --j; } else { if (DP[i - 1][j] > DP[i][j - 1]) { --i; } else { --j; } } } while (!Stack.empty()) { cout << Stack.top(); Stack.pop(); } cout << endl; } int32_t main(void) { fastio; int __ = 1; // cin >> __; while (__--) { accio_ac(); } return 0; }
/* [Gnana Deepak] [August 01, 2020 7:44 PM] [F - LCS] [https://atcoder.jp/contests/dp/tasks/dp_f] [2000 ms] [1024 MB] */ #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; using namespace std; using ld = long double; #pragma GCC optimize("O3") #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define int long long #define F first #define S second #define orderKey order_of_key #define findOrder find_by_order #define s(x) set<x> #define um(x, y) unordered_map<x, y> #define m(x, y) map<x, y> #define p(x, y) pair<x, y> #define v(x) vector<x> #define min_heap(t) priority_queue<t, vector<t>, greater<t>> #define max_heap(t) priority_queue<t> #define ordered_set(x) \ tree<x, null_type, less<x>, rb_tree_tag, tree_order_statistics_node_update> #define eb emplace_back #define mp make_pair #define all(v) v.begin(), v.end() #define ss(v) stable_sort(all(v)) #define fori(i, a, b) for (int i = a; i <= b; i++) #define fastio \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define stprs(x) cout << fixed << setprecision(x); #define FILE_READ_IN freopen("input.txt", "r", stdin); #define FILE_READ_OUT freopen("output.txt", "w", stdout); #define bs binary_search #define deb(x) cout << #x << "=" << x << '\n'; #define scn(v1) \ for (auto &x : v1) \ cin >> x; #define R(x) reverse(all(x)); #define lb lower_bound #define ub upper_bound const char nl = '\n'; const int mod1 = 1e9 + 7; const int mod2 = 998244353; const ld PI = acos(-1); const int N = 3000; const int imx = LLONG_MAX; int DP[N + 1][N + 1]; void accio_ac(void) { string S, T; cin >> S >> T; int s = S.length(); int t = T.length(); fori(i, 0, s) fori(j, 0, t) { if (i == 0 or j == 0) { DP[i][j] = 0; } else { if (S[i - 1] == T[j - 1]) { DP[i][j] = 1 + DP[i - 1][j - 1]; } else { DP[i][j] = max(DP[i - 1][j], DP[i][j - 1]); } } } stack<char> Stack; int i = s - 1; int j = t - 1; while (i >= 0 and j >= 0) { if (S[i] == T[j]) { Stack.push(S[i]); --i; --j; } else { if (DP[i][j + 1] > DP[i + 1][j]) { --i; } else { --j; } } } while (!Stack.empty()) { cout << Stack.top(); Stack.pop(); } cout << endl; } int32_t main(void) { fastio; int __ = 1; // cin >> __; while (__--) { accio_ac(); } return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); string s, t; int slen, tlen, dp[305][305] = {0}; cin >> s; cin >> t; slen = s.length(); tlen = t.length(); s = " " + s; t = " " + t; for (int i = 1; i <= slen; i++) { for (int j = 1; j <= tlen; j++) { if (s[i] == t[j]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } // cout<<" "; // for(auto x:t){ // cout<<x<<" "; // } // cout<<endl; // for(int i=0;i<=slen; i++){ // cout<<s[i]<<" "; // for(int j=0; j<=tlen; j++){ // cout<<dp[i][j]<<" "; // } // cout<<endl; // } vector<char> ans; int i = slen, j = tlen; while (i > 0 && j > 0) { while (i > 0 && dp[i - 1][j] == dp[i][j]) { i--; } while (j > 0 && dp[i][j - 1] == dp[i][j]) { j--; } ans.push_back(s[i]); i--; j--; } reverse(ans.begin(), ans.end()); for (auto x : ans) { cout << x; } }
#include <bits/stdc++.h> using namespace std; #define ll long long int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); string s, t; int slen, tlen, dp[3005][3005] = {0}; cin >> s; cin >> t; slen = s.length(); tlen = t.length(); s = " " + s; t = " " + t; for (int i = 1; i <= slen; i++) { for (int j = 1; j <= tlen; j++) { if (s[i] == t[j]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } // cout<<" "; // for(auto x:t){ // cout<<x<<" "; // } // cout<<endl; // for(int i=0;i<=slen; i++){ // cout<<s[i]<<" "; // for(int j=0; j<=tlen; j++){ // cout<<dp[i][j]<<" "; // } // cout<<endl; // } vector<char> ans; int i = slen, j = tlen; while (i > 0 && j > 0) { while (i > 0 && dp[i - 1][j] == dp[i][j]) { i--; } while (j > 0 && dp[i][j - 1] == dp[i][j]) { j--; } ans.push_back(s[i]); i--; j--; } reverse(ans.begin(), ans.end()); for (auto x : ans) { cout << x; } }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int dp[3001][3001], i, j; string s, t, ans; int main() { cin >> s >> t; s += '$'; t += '%'; for (; i < s.size(); i++) { for (j = 0; j < t.size(); j++) { dp[i + 1][j] = max(dp[i + 1][j], dp[i][j]); dp[i][j + 1] = max(dp[i][j + 1], dp[i][j]); if (s[i] == t[j]) dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j] + 1); } } for (i = s.size() - 1, j = t.size() - 1; i + j;) { if (i && dp[i - 1][j] == dp[i][j]) i--; else if (j && dp[i][j - 1] == dp[i][j]) j--; else i--, j--, ans += s[i]; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int dp[3002][3002], i, j; string s, t, ans; int main() { cin >> s >> t; s += '$'; t += '%'; for (; i < s.size(); i++) { for (j = 0; j < t.size(); j++) { dp[i + 1][j] = max(dp[i + 1][j], dp[i][j]); dp[i][j + 1] = max(dp[i][j + 1], dp[i][j]); if (s[i] == t[j]) dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j] + 1); } } for (i = s.size() - 1, j = t.size() - 1; i + j;) { if (i && dp[i - 1][j] == dp[i][j]) i--; else if (j && dp[i][j - 1] == dp[i][j]) j--; else i--, j--, ans += s[i]; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; using ll = long long; string s; string t; pair<int, int> nexty[3005][3005]; int dp[3005][3005]; int solve(int i, int j) { if (i == s.size() || j == t.size()) { return 0; } int &res = dp[i][j]; if (res != -1) { return res; } if (s[i] == t[j]) { nexty[i][j] = {i + 1, j + 1}; return res = 1 + solve(i + 1, j + 1); } int ss = solve(i + 1, j); int tt = solve(i, j + 1); if (ss > tt) { nexty[i][j] = {i + 1, j}; } else { nexty[i][j] = {i, j + 1}; } return max(ss, tt); } int main() { cin >> s >> t; fill(&dp[0][0], &dp[0][0] + 3005 * 3005, -1); int len = solve(0, 0); vector<char> res; auto pp = make_pair(0, 0); set<pair<int, int>> seen; while (pp.first != s.size() && pp.second != t.size()) { assert(!seen.count(pp)); seen.insert(pp); if (s[pp.first] == t[pp.second]) { res.push_back(s[pp.first]); } pp = nexty[pp.first][pp.second]; } for (char c : res) { cout << c; } cout << '\n'; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; string s; string t; pair<int, int> nexty[3005][3005]; int dp[3005][3005]; int solve(int i, int j) { if (i == s.size() || j == t.size()) { return 0; } int &res = dp[i][j]; if (res != -1) { return res; } if (s[i] == t[j]) { nexty[i][j] = {i + 1, j + 1}; return res = 1 + solve(i + 1, j + 1); } int ss = solve(i + 1, j); int tt = solve(i, j + 1); if (ss > tt) { nexty[i][j] = {i + 1, j}; } else { nexty[i][j] = {i, j + 1}; } return res = max(ss, tt); } int main() { cin >> s >> t; fill(&dp[0][0], &dp[0][0] + 3005 * 3005, -1); int len = solve(0, 0); vector<char> res; auto pp = make_pair(0, 0); set<pair<int, int>> seen; while (pp.first != s.size() && pp.second != t.size()) { assert(!seen.count(pp)); seen.insert(pp); if (s[pp.first] == t[pp.second]) { res.push_back(s[pp.first]); } pp = nexty[pp.first][pp.second]; } for (char c : res) { cout << c; } cout << '\n'; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define nl "\n" #define pb push_back #define E esit(0) #define all(v) v.begin(), v.end() using namespace std; using ll = long long; const int N = 1e5 + 5; const int INF = 1e9 + 7; int dp[1001][1001]; string s, s1, ans; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> s >> s1; ll n = s.size(), m = s1.size(); s = " " + s; s1 = " " + s1; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i] == s1[j]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } while (n != 0 && m != 0) { if (s[n] == s1[m]) { ans += s[n]; n--; m--; } else { if (dp[n - 1][m] > dp[n][m - 1]) n--; else m--; } } for (int i = ans.size() - 1; i >= 0; i--) { cout << ans[i]; } }
#include <bits/stdc++.h> #define nl "\n" #define pb push_back #define E esit(0) #define all(v) v.begin(), v.end() using namespace std; using ll = long long; const int N = 1e5 + 5; const int INF = 1e9 + 7; int dp[3001][3001]; string s, s1, ans; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> s >> s1; ll n = s.size(), m = s1.size(); s = " " + s; s1 = " " + s1; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i] == s1[j]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } while (n != 0 && m != 0) { if (s[n] == s1[m]) { ans += s[n]; n--; m--; } else { if (dp[n - 1][m] > dp[n][m - 1]) n--; else m--; } } for (int i = ans.size() - 1; i >= 0; i--) { cout << ans[i]; } }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define ll long long #define ld long double #define vect vector<ll> #define unmap unordered_map #define pb push_back #define pi 3.1415926536 #define mod int(1e9 + 7) #define mp make_pair #define testcases \ ll t; \ cin >> t; \ while (t--) using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); string s, t; cin >> s >> t; int n = s.length(), m = t.length(); s = "*" + s; t = "*" + t; vector<vector<int>> dp(1001, vector<int>(1001, 0)); vector<vector<int>> v(1001, vector<int>(1001, 0)); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i] == t[j]) { dp[i][j] = 1 + dp[i - 1][j - 1]; v[i][j] = 1; continue; } else if (dp[i - 1][j] > dp[i][j - 1]) v[i][j] = 2; else v[i][j] = 3; dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } // cout<<dp[n][m]<<" "; string ans = ""; while (n != 0 && m != 0) { if (v[n][m] == 1) ans.pb(s[n]), n -= 1, m -= 1; else if (v[n][m] == 2) n--; else m--; } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
#include <bits/stdc++.h> #define ll long long #define ld long double #define vect vector<ll> #define unmap unordered_map #define pb push_back #define pi 3.1415926536 #define mod int(1e9 + 7) #define mp make_pair #define testcases \ ll t; \ cin >> t; \ while (t--) using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); string s, t; cin >> s >> t; int n = s.length(), m = t.length(); s = "*" + s; t = "*" + t; vector<vector<int>> dp(3001, vector<int>(3001, 0)); vector<vector<int>> v(3001, vector<int>(3001, 0)); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i] == t[j]) { dp[i][j] = 1 + dp[i - 1][j - 1]; v[i][j] = 1; continue; } else if (dp[i - 1][j] > dp[i][j - 1]) v[i][j] = 2; else v[i][j] = 3; dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } // cout<<dp[n][m]<<" "; string ans = ""; while (n != 0 && m != 0) { if (v[n][m] == 1) ans.pb(s[n]), n -= 1, m -= 1; else if (v[n][m] == 2) n--; else m--; } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
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Runtime Error
#include <bits/stdc++.h> // #include <string> using namespace std; #define typeof(x) __typeof__(x) #define bit(x, i) (x & (1 << i)) // select the bit of position i of x #define lowbit(x) ((x) & ((x) ^ ((x)-1))) // get the lowest bit of x #define hBit(msb, n) \ asm("bsrl %1,%0" \ : "=r"(msb) \ : "r"(n)) // get the highest bit of x, maybe the fastest #define max(a, b) (a < b ? b : a) // #define abs(x) (x<0?(-x):x) // big bug here if "-x" is not surrounded by "()" #define IN(i, l, r) (l < i && i < r) // the next for are for checking bound #define LINR(i, l, r) (l <= i && i <= r) #define LIN(i, l, r) (l <= i && i < r) #define INR(i, l, r) (l < i && i <= r) #define F(i, L, R) for (int i = L; i < R; i++) // next four are for "for loops" #define FIN(i, L, R) for (int i = L; i <= R; i++) #define FF(i, L, R) for (int i = L; i > R; i--) #define FFIN(i, L, R) for (int i = L; i >= R; i--) #define getI(a) \ scanf("%d", &a) // next three are handy ways to get ints, it's also force you // to use '&' sign #define getII(a, b) scanf("%d%d", &a, &b) #define getIII(a, b, c) scanf("%d%d%d", &a, &b, &c) #define getLL(a) scanf("%lld", &a) #define g_s(n) \ int(n); \ scanf( \ "%d", \ &(n)) // handy if the input is right after the definition of a variable #define g_s2(n, m) \ int(n), (m); \ scanf("%d %d", &(n), &(m)) #define g_s3(n, m, k) \ int(n), (m), (k); \ scanf("%d %d %d", &(n), &(m), &(k)) #define TESTS \ g_s(testow); \ while (testow--) // for multilple cases problems #define whileZ \ int T; \ getI(T); \ while (T--) // the same as above #define getS(x) scanf("%s", x) // get a char* string #define MEM(a, x) memset(a, x, sizeof(a)) // set elements of array to some value #define char2Int(c) (c - '0') #define lastEle(vec) vec[vec.size() - 1] #define SZ(x) ((int)((x).size())) #define REMAX(a, b) (a) = max((a), (b)) // set a to the maximum of a and b #define REMIN(a, b) (a) = min((a), (b)); #define FOREACH(i, t) \ for (typeof(t.begin()) i = t.begin(); i != t.end(); \ i++) // traverse an STL data structure #define ALL(c) (c).begin(), (c).end() // handy for function like "sort()" #define PRESENT(c, x) ((c).find(x) != (c).end()) #define CPRESENT(c, x) (find(ALL(c), x) != (c).end()) #define ll \ long long // data types used often, but you don't want to type them time by // time #define ull unsigned long long #define ui unsigned int #define us unsigned short #define IOS \ ios_base::sync_with_stdio(0); // to synchronize the input of cin and scanf #define INF 1001001001 #define PI 3.1415926535897932384626 // for map, pair #define mp make_pair #define fi first #define se second // for debug inline void pisz(int n) { printf("%d\n", n); } #define DBG(vari) cerr << #vari << " = " << (vari) << endl; #define printA(a, L, R) FIN(jk, L, R) cout << a[jk] << (jk == R ? '\n' : ' ') #define printV(a) printA(a, 0, a.size() - 1) #define MAXN 10000 #define sf scanf #define pf printf // for vectors #define pb push_back typedef int elem_t; typedef vector<int> vi; typedef vector<string> vstr; typedef vector<set<int>> vset; typedef vector<vi> vvi; typedef vector<bool> vb; typedef vector<vector<bool>> vvb; typedef pair<int, int> ii; typedef vector<ii> vii; // directions const int dr[4] = {-1, 0, 1, 0}; const int dc[4] = {0, -1, 0, 1}; const int drr[8] = {-1, -1, 0, 1, 1, 1, 0, -1}; const int dcc[8] = {0, -1, -1, -1, 0, 1, 1, 1}; template <typename T, typename TT> ostream &operator<<(ostream &s, pair<T, TT> t) { return s << "(" << t.first << "," << t.second << ")"; } template <typename T> ostream &operator<<(ostream &s, vector<T> t) { F(i, 0, SZ(t)) s << t[i] << " "; return s; } bool ckmin(int &a, int b) { return b < a ? a = b, true : false; } bool ckmax(int &a, int b) { return b > a ? a = b, true : false; } class UnionFind { private: vi rank, p; public: UnionFind(int n) { F(i, 0, n) p.pb(i); rank.assign(n, 1); } int findSet(int s) { return (p[s] == s) ? s : (p[s] = findSet(p[s])); } bool isSameSet(int i, int j) { return findSet(i) == findSet(j); } void unionSet(int i, int j) { if (isSameSet(i, j)) return; int x = findSet(i), y = findSet(j); if (rank[x] > rank[y]) { p[y] = x; rank[x] += rank[y]; } else { p[x] = y; // if(rank[x]==rank[y])rank[y]++; rank[y] += rank[x]; } } int sz(int x) { int px = findSet(x); return rank[px]; } }; double x_y(int x1, int y1, int x2, int y2) { return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); } int dp[3001][3001]; int main() { // ios::sync_with_stdio(false); // cin.tie(nullptr); int cn = 0; string s1, s2; cin >> s1 >> s2; // cout<<s1<<" "<<s2<<endl; // MEM(dp,0); F(i, 0, s1.size() + 5) { F(j, 0, s2.size() + 5) dp[i][j] = 0; } // if(s1[0]==s2[0])dp[0][0]=1; F(i, 1, s1.size() + 1) { F(j, 1, s2.size() + 1) { if (s1[i - 1] == s2[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } // dp[i][j]=max(dp[i][j],max(dp[i-1][j],dp[i][j-1])); dp[i][j] = max(dp[i][j], dp[i - 1][j]); dp[i][j] = max(dp[i][j], dp[i][j - 1]); } } int sz1 = (int)s1.size() - 1, sz2 = (int)s2.size() - 1; // cout<<sz1<<" "<<sz2<<" "<<dp[3][4]<<endl; // cout<<dp[sz1+1][sz2+1]<<endl; string ans = ""; int nwi = sz1 + 1, nwj = sz2 + 1; while (nwi > 0 && nwj > 0) { if (dp[nwi - 1][nwj] == dp[nwi][nwj]) { nwi--; } else if (dp[nwi][nwj - 1] == dp[nwi][nwj]) nwj--; else { ans += s1[nwi - 1]; nwi--; nwj--; } } // F(k,0,s1.size()+1){ // printA(dp[k],0,s2.size()); // } reverse(ALL(ans)); cout << ans << endl; return 0; }
#include <bits/stdc++.h> // #include <string> using namespace std; #define typeof(x) __typeof__(x) #define bit(x, i) (x & (1 << i)) // select the bit of position i of x #define lowbit(x) ((x) & ((x) ^ ((x)-1))) // get the lowest bit of x #define hBit(msb, n) \ asm("bsrl %1,%0" \ : "=r"(msb) \ : "r"(n)) // get the highest bit of x, maybe the fastest #define max(a, b) (a < b ? b : a) // #define abs(x) (x<0?(-x):x) // big bug here if "-x" is not surrounded by "()" #define IN(i, l, r) (l < i && i < r) // the next for are for checking bound #define LINR(i, l, r) (l <= i && i <= r) #define LIN(i, l, r) (l <= i && i < r) #define INR(i, l, r) (l < i && i <= r) #define F(i, L, R) for (int i = L; i < R; i++) // next four are for "for loops" #define FIN(i, L, R) for (int i = L; i <= R; i++) #define FF(i, L, R) for (int i = L; i > R; i--) #define FFIN(i, L, R) for (int i = L; i >= R; i--) #define getI(a) \ scanf("%d", &a) // next three are handy ways to get ints, it's also force you // to use '&' sign #define getII(a, b) scanf("%d%d", &a, &b) #define getIII(a, b, c) scanf("%d%d%d", &a, &b, &c) #define getLL(a) scanf("%lld", &a) #define g_s(n) \ int(n); \ scanf( \ "%d", \ &(n)) // handy if the input is right after the definition of a variable #define g_s2(n, m) \ int(n), (m); \ scanf("%d %d", &(n), &(m)) #define g_s3(n, m, k) \ int(n), (m), (k); \ scanf("%d %d %d", &(n), &(m), &(k)) #define TESTS \ g_s(testow); \ while (testow--) // for multilple cases problems #define whileZ \ int T; \ getI(T); \ while (T--) // the same as above #define getS(x) scanf("%s", x) // get a char* string #define MEM(a, x) memset(a, x, sizeof(a)) // set elements of array to some value #define char2Int(c) (c - '0') #define lastEle(vec) vec[vec.size() - 1] #define SZ(x) ((int)((x).size())) #define REMAX(a, b) (a) = max((a), (b)) // set a to the maximum of a and b #define REMIN(a, b) (a) = min((a), (b)); #define FOREACH(i, t) \ for (typeof(t.begin()) i = t.begin(); i != t.end(); \ i++) // traverse an STL data structure #define ALL(c) (c).begin(), (c).end() // handy for function like "sort()" #define PRESENT(c, x) ((c).find(x) != (c).end()) #define CPRESENT(c, x) (find(ALL(c), x) != (c).end()) #define ll \ long long // data types used often, but you don't want to type them time by // time #define ull unsigned long long #define ui unsigned int #define us unsigned short #define IOS \ ios_base::sync_with_stdio(0); // to synchronize the input of cin and scanf #define INF 1001001001 #define PI 3.1415926535897932384626 // for map, pair #define mp make_pair #define fi first #define se second // for debug inline void pisz(int n) { printf("%d\n", n); } #define DBG(vari) cerr << #vari << " = " << (vari) << endl; #define printA(a, L, R) FIN(jk, L, R) cout << a[jk] << (jk == R ? '\n' : ' ') #define printV(a) printA(a, 0, a.size() - 1) #define MAXN 10000 #define sf scanf #define pf printf // for vectors #define pb push_back typedef int elem_t; typedef vector<int> vi; typedef vector<string> vstr; typedef vector<set<int>> vset; typedef vector<vi> vvi; typedef vector<bool> vb; typedef vector<vector<bool>> vvb; typedef pair<int, int> ii; typedef vector<ii> vii; // directions const int dr[4] = {-1, 0, 1, 0}; const int dc[4] = {0, -1, 0, 1}; const int drr[8] = {-1, -1, 0, 1, 1, 1, 0, -1}; const int dcc[8] = {0, -1, -1, -1, 0, 1, 1, 1}; template <typename T, typename TT> ostream &operator<<(ostream &s, pair<T, TT> t) { return s << "(" << t.first << "," << t.second << ")"; } template <typename T> ostream &operator<<(ostream &s, vector<T> t) { F(i, 0, SZ(t)) s << t[i] << " "; return s; } bool ckmin(int &a, int b) { return b < a ? a = b, true : false; } bool ckmax(int &a, int b) { return b > a ? a = b, true : false; } class UnionFind { private: vi rank, p; public: UnionFind(int n) { F(i, 0, n) p.pb(i); rank.assign(n, 1); } int findSet(int s) { return (p[s] == s) ? s : (p[s] = findSet(p[s])); } bool isSameSet(int i, int j) { return findSet(i) == findSet(j); } void unionSet(int i, int j) { if (isSameSet(i, j)) return; int x = findSet(i), y = findSet(j); if (rank[x] > rank[y]) { p[y] = x; rank[x] += rank[y]; } else { p[x] = y; // if(rank[x]==rank[y])rank[y]++; rank[y] += rank[x]; } } int sz(int x) { int px = findSet(x); return rank[px]; } }; double x_y(int x1, int y1, int x2, int y2) { return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); } int dp[3050][3050]; int main() { // ios::sync_with_stdio(false); // cin.tie(nullptr); int cn = 0; string s1, s2; cin >> s1 >> s2; // cout<<s1<<" "<<s2<<endl; // MEM(dp,0); F(i, 0, s1.size() + 5) { F(j, 0, s2.size() + 5) dp[i][j] = 0; } // if(s1[0]==s2[0])dp[0][0]=1; F(i, 1, s1.size() + 1) { F(j, 1, s2.size() + 1) { if (s1[i - 1] == s2[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } // dp[i][j]=max(dp[i][j],max(dp[i-1][j],dp[i][j-1])); dp[i][j] = max(dp[i][j], dp[i - 1][j]); dp[i][j] = max(dp[i][j], dp[i][j - 1]); } } int sz1 = (int)s1.size() - 1, sz2 = (int)s2.size() - 1; // cout<<sz1<<" "<<sz2<<" "<<dp[3][4]<<endl; // cout<<dp[sz1+1][sz2+1]<<endl; string ans = ""; int nwi = sz1 + 1, nwj = sz2 + 1; while (nwi > 0 && nwj > 0) { if (dp[nwi - 1][nwj] == dp[nwi][nwj]) { nwi--; } else if (dp[nwi][nwj - 1] == dp[nwi][nwj]) nwj--; else { ans += s1[nwi - 1]; nwi--; nwj--; } } // F(k,0,s1.size()+1){ // printA(dp[k],0,s2.size()); // } reverse(ALL(ans)); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <iomanip> #define FAST \ std::ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define DECIMAL(n) \ std::cout << std::fixed; \ std::cout << std::setprecision(n); #define hell 1000000007 #define narak 998244353 #define PI 3.14159265358979323844 #define mp make_pair #define eb emplace_back #define pb push_back #define fi first #define se second #define ALL(v) v.begin(), v.end() #define SORT(v) sort(ALL(v)) #define REVERSE(v) reverse(ALL(v)) #define endl "\n" #define maxc(v) *max_element(ALL(v)) #define minc(v) *min_element(ALL(v)) #define sqr(a) (a) * (a) #define GCD(m, n) __gcd(m, n) #define LCM(m, n) m *(n / GCD(m, n)) #define inputarr(a, n) \ for (int xxx = 0; xxx < n; ++xxx) \ cin >> a[xxx] #define initarr(a, n, x) \ for (int xxx = 0; xxx < n; ++xxx) \ a[xxx] = x #define rep(i, n) for (int i = 0; i < (n); ++i) #define repA(i, a, n) for (int i = a; i <= (n); ++i) #define repD(i, a, n) for (int i = a; i >= (n); --i) #define trav(a, x) for (auto &a : x) #define sz(a) (int)a.size() #define sl(a) (int)a.length() #define invect(data, n, commands) \ for (int xxx = 0; xxx < n; xxx++) { \ int tmp; \ cin >> tmp; \ data.pb(tmp); \ commands \ } #define inset(data, n, commands) \ for (int xxx = 0; xxx < n; xxx++) { \ int tmp; \ cin >> tmp; \ data.insert(tmp); \ commands \ } #define display(x) \ trav(a, x) cout << a << " "; \ cout << endl #define debug cerr << "bhau" << endl #define between(n, a, b) (a <= n && n <= b) #define clamp(n, a, b) (((n) < (a)) ? (a) : (((n) > (b)) ? (b) : (n))) #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { std::cerr << name << " : " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); std::cerr.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } template <typename T, typename U> static inline void amin(T &x, U y) { if (y < x) x = y; } template <typename T, typename U> static inline void amax(T &x, U y) { if (x < y) x = y; } std::mt19937_64 rng(std::chrono::steady_clock::now().time_since_epoch().count()); #define ll long long #define ld long double #define pii std::pair<int, int> #define pll std::pair<ll, ll> #define vi vector<int> #define vvi vector<vi> #define vii vector<pii> #define ordered_set \ tree<int, null_type, less<int>, rb_tree_tag, \ tree_order_statistics_node_update> /*----------------------Graph Moves----------------*/ // const int fx[]={+1,-1,+0,+0}; // const int fy[]={+0,+0,+1,-1}; // const int fx[]={+0,+0,+1,-1,-1,+1,-1,+1}; // Kings Move // const int fy[]={-1,+1,+0,+0,+1,+1,-1,-1}; // Kings Move // const int fx[]={-2, -2, -1, -1, 1, 1, 2, 2}; // Knights Move // const int fy[]={-1, 1, -2, 2, -2, 2, -1, 1}; // Knights Move /*------------------------------------------------*/ // primes for hashing 937,991,1013,1409,1741 pii operator+(pii a, pii b) { return {a.fi + b.fi, a.se + b.se}; } pll operator+(pll a, pll b) { return {a.fi + b.fi, a.se + b.se}; } std::ostream &operator<<(std::ostream &out, pii a) { out << a.fi << " " << a.se << endl; return out; } std::ostream &operator<<(std::ostream &out, pll a) { out << a.fi << " " << a.se << endl; return out; } std::istream &operator>>(std::istream &in, pii &a) { in >> a.fi >> a.se; return in; } std::istream &operator>>(std::istream &in, pll &a) { in >> a.fi >> a.se; return in; } using namespace std; using namespace __gnu_pbds; string s, t; int n, m; ll dp[3001][3001]; pii p[3001][3001]; ll rec(int a, int b) { if (a < 0 || b < 0) return 0; if (dp[a][b] != -1) return dp[a][b]; if (s[a] == t[b]) { p[a][b] = {a - 1, b - 1}; return rec(a - 1, b - 1) + 1; } dp[a][b] = max(rec(a - 1, b), rec(a, b - 1)); if (dp[a][b] == rec(a - 1, b)) p[a][b] = {a - 1, b}; else p[a][b] = {a, b - 1}; return dp[a][b]; } void meowmeow321() { cin >> s >> t; n = sl(s); m = sl(t); for (int i = 0; i < 3001; ++i) { for (int j = 0; j < 3001; ++j) { dp[i][j] = -1; } } rec(n - 1, m - 1); string ans = ""; int cur = 0; int lx, ly; lx = n - 1, ly = m - 1; for (int i = 0; i < 9 * 1000000; ++i) { if (cur == dp[n - 1][m - 1]) break; int wx, wy; wx = p[lx][ly].fi; wy = p[lx][ly].se; if (wx == (lx - 1) && wy == (ly - 1)) cur++, ans += s[lx]; lx = wx; ly = wy; } REVERSE(ans); cout << ans << endl; } int main() { FAST; int testcases = 1; // cin>>testcases; for (int i = 0; i < testcases; ++i) { meowmeow321(); } return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <iomanip> #define FAST \ std::ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define DECIMAL(n) \ std::cout << std::fixed; \ std::cout << std::setprecision(n); #define hell 1000000007 #define narak 998244353 #define PI 3.14159265358979323844 #define mp make_pair #define eb emplace_back #define pb push_back #define fi first #define se second #define ALL(v) v.begin(), v.end() #define SORT(v) sort(ALL(v)) #define REVERSE(v) reverse(ALL(v)) #define endl "\n" #define maxc(v) *max_element(ALL(v)) #define minc(v) *min_element(ALL(v)) #define sqr(a) (a) * (a) #define GCD(m, n) __gcd(m, n) #define LCM(m, n) m *(n / GCD(m, n)) #define inputarr(a, n) \ for (int xxx = 0; xxx < n; ++xxx) \ cin >> a[xxx] #define initarr(a, n, x) \ for (int xxx = 0; xxx < n; ++xxx) \ a[xxx] = x #define rep(i, n) for (int i = 0; i < (n); ++i) #define repA(i, a, n) for (int i = a; i <= (n); ++i) #define repD(i, a, n) for (int i = a; i >= (n); --i) #define trav(a, x) for (auto &a : x) #define sz(a) (int)a.size() #define sl(a) (int)a.length() #define invect(data, n, commands) \ for (int xxx = 0; xxx < n; xxx++) { \ int tmp; \ cin >> tmp; \ data.pb(tmp); \ commands \ } #define inset(data, n, commands) \ for (int xxx = 0; xxx < n; xxx++) { \ int tmp; \ cin >> tmp; \ data.insert(tmp); \ commands \ } #define display(x) \ trav(a, x) cout << a << " "; \ cout << endl #define debug cerr << "bhau" << endl #define between(n, a, b) (a <= n && n <= b) #define clamp(n, a, b) (((n) < (a)) ? (a) : (((n) > (b)) ? (b) : (n))) #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { std::cerr << name << " : " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); std::cerr.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } template <typename T, typename U> static inline void amin(T &x, U y) { if (y < x) x = y; } template <typename T, typename U> static inline void amax(T &x, U y) { if (x < y) x = y; } std::mt19937_64 rng(std::chrono::steady_clock::now().time_since_epoch().count()); #define ll long long #define ld long double #define pii std::pair<int, int> #define pll std::pair<ll, ll> #define vi vector<int> #define vvi vector<vi> #define vii vector<pii> #define ordered_set \ tree<int, null_type, less<int>, rb_tree_tag, \ tree_order_statistics_node_update> /*----------------------Graph Moves----------------*/ // const int fx[]={+1,-1,+0,+0}; // const int fy[]={+0,+0,+1,-1}; // const int fx[]={+0,+0,+1,-1,-1,+1,-1,+1}; // Kings Move // const int fy[]={-1,+1,+0,+0,+1,+1,-1,-1}; // Kings Move // const int fx[]={-2, -2, -1, -1, 1, 1, 2, 2}; // Knights Move // const int fy[]={-1, 1, -2, 2, -2, 2, -1, 1}; // Knights Move /*------------------------------------------------*/ // primes for hashing 937,991,1013,1409,1741 pii operator+(pii a, pii b) { return {a.fi + b.fi, a.se + b.se}; } pll operator+(pll a, pll b) { return {a.fi + b.fi, a.se + b.se}; } std::ostream &operator<<(std::ostream &out, pii a) { out << a.fi << " " << a.se << endl; return out; } std::ostream &operator<<(std::ostream &out, pll a) { out << a.fi << " " << a.se << endl; return out; } std::istream &operator>>(std::istream &in, pii &a) { in >> a.fi >> a.se; return in; } std::istream &operator>>(std::istream &in, pll &a) { in >> a.fi >> a.se; return in; } using namespace std; using namespace __gnu_pbds; string s, t; int n, m; ll dp[3001][3001]; pii p[3001][3001]; ll rec(int a, int b) { if (a < 0 || b < 0) return 0; if (dp[a][b] != -1) return dp[a][b]; if (s[a] == t[b]) { p[a][b] = {a - 1, b - 1}; return rec(a - 1, b - 1) + 1; } dp[a][b] = max(rec(a - 1, b), rec(a, b - 1)); if (dp[a][b] == rec(a - 1, b)) p[a][b] = {a - 1, b}; else p[a][b] = {a, b - 1}; return dp[a][b]; } void meowmeow321() { cin >> s >> t; n = sl(s); m = sl(t); for (int i = 0; i < 3001; ++i) { for (int j = 0; j < 3001; ++j) { dp[i][j] = -1; } } rec(n - 1, m - 1); string ans = ""; int cur = 0; int lx, ly; lx = n - 1, ly = m - 1; for (int i = 0; lx >= 0 && ly >= 0; ++i) { if (cur == dp[n - 1][m - 1]) break; int wx, wy; wx = p[lx][ly].fi; wy = p[lx][ly].se; if (wx == (lx - 1) && wy == (ly - 1)) cur++, ans += s[lx]; lx = wx; ly = wy; } REVERSE(ans); cout << ans << endl; } int main() { FAST; int testcases = 1; // cin>>testcases; for (int i = 0; i < testcases; ++i) { meowmeow321(); } return 0; }
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p03165
C++
Runtime Error
#include "bits/stdc++.h" using namespace std; const int MSIZE = 3003; int dp[MSIZE][MSIZE]; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); string s, t; cin >> s >> t; memset(dp, 0, sizeof dp); int n = s.size(); int m = t.size(); s = " " + s; t = " " + t; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { dp[i][j] = max({dp[i - 1][j], dp[i][j - 1], dp[i - 1][j - 1] + (s[i] == t[j])}); } } int x = n; int y = m; string answer = ""; if (dp[n][m] == 0) { return 0; } while (x && y) { while (x && dp[x - 1][y] == dp[x][y]) x--; while (y && dp[x][y - 1] == dp[x][y]) y--; answer.push_back(s[x]); x--, y--; } reverse(answer.begin(), answer.end()); cout << answer << endl; }
#include "bits/stdc++.h" using namespace std; const int MSIZE = 3003; int dp[MSIZE][MSIZE]; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); string s, t; cin >> s >> t; memset(dp, 0, sizeof dp); int n = s.size(); int m = t.size(); s = " " + s; t = " " + t; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { dp[i][j] = max({dp[i - 1][j], dp[i][j - 1], dp[i - 1][j - 1] + (s[i] == t[j])}); } } int x = n; int y = m; string answer = ""; while (dp[x][y]) { while (x && dp[x - 1][y] == dp[x][y]) x--; while (y && dp[x][y - 1] == dp[x][y]) y--; answer.push_back(s[x]); x--, y--; } reverse(answer.begin(), answer.end()); cout << answer << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define FOR(i, o, n) for (long long i = o; i < n; i++) #define oneforall \ ios::sync_with_stdio(false); \ cin.tie(0); typedef vector<int> vi; typedef vector<long long> vl; typedef long long ll; typedef vector<pair<long, long>> vpll; typedef vector<pair<int, int>> vpii; int main() { oneforall char a[10000], b[10000]; cin >> a + 1 >> b + 1; ll asize = 0; ll bsize = 0; while (a[asize + 1]) { asize++; } while (b[bsize + 1]) { bsize++; } ll dp[10000010][10000010]; FOR(i, 0, 10000010) FOR(j, 0, 10000010) { dp[i][j] = 0; } FOR(i, 1, asize + 1) { FOR(j, 1, bsize + 1) { if (a[i] == b[j]) dp[i][j] = dp[i - 1][j - 1] + 1; else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } string x; while (asize and bsize) { if (a[asize] == b[bsize]) { x += a[asize]; asize--; bsize--; } else if (dp[asize - 1][bsize] > dp[asize][bsize - 1]) asize--; else bsize--; } reverse(x.begin(), x.end()); cout << x; return 0; }
#include <bits/stdc++.h> using namespace std; #define FOR(i, o, n) for (long long i = o; i < n; i++) #define oneforall \ ios::sync_with_stdio(false); \ cin.tie(0); typedef vector<int> vi; typedef vector<long long> vl; typedef long long ll; typedef vector<pair<long, long>> vpll; typedef vector<pair<int, int>> vpii; int main() { oneforall char a[10000], b[10000]; cin >> a + 1 >> b + 1; ll asize = 0; ll bsize = 0; while (a[asize + 1]) { asize++; } while (b[bsize + 1]) { bsize++; } ll dp[3001][3001]; FOR(i, 0, 3001) FOR(j, 0, 3001) { dp[i][j] = 0; } FOR(i, 1, asize + 1) { FOR(j, 1, bsize + 1) { if (a[i] == b[j]) dp[i][j] = dp[i - 1][j - 1] + 1; else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } string x; while (asize and bsize) { if (a[asize] == b[bsize]) { x += a[asize]; asize--; bsize--; } else if (dp[asize - 1][bsize] > dp[asize][bsize - 1]) asize--; else bsize--; } reverse(x.begin(), x.end()); cout << x; return 0; }
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p03165
C++
Runtime Error
#include <algorithm> #include <cmath> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using ll = long long; using graph = std::vector<std::vector<ll>>; using wGraph = std::vector<std::vector<std::pair<ll, ll>>>; #define rep(i, n) for (int i = 0; i < int(n); i++) using namespace std; vector<ll> InputVec(ll N) { vector<ll> A(N); for (int i = 0; i < N; ++i) { cin >> A[i]; } return A; } void OutputVec(vector<ll> A) { for (int i = 0; i < A.size(); ++i) { cout << A[i] << ","; } cout << endl; } vector<vector<ll>> InputVec2d(ll H, ll W) { vector<vector<ll>> A(H); for (int yi = 0; yi < H; ++yi) { A[yi] = vector<ll>(W); } for (int yi = 0; yi < H; ++yi) { for (int xi = 0; xi < W; ++xi) { cin >> A[yi][xi]; } } } void OutputVec2d(vector<vector<ll>> A) { for (int yi = 0; yi < A.size(); ++yi) { for (int xi = 0; xi < A[yi].size(); ++xi) { cout << A[yi][xi] << ","; } cout << endl; } } int main() { string s, t; cin >> s >> t; ll S = s.size(); ll T = t.size(); vector<vector<ll>> memo(S); for (int i = 0; i < S; ++i) { memo[i] = vector<ll>(T); } for (int yi = 0; yi < S; ++yi) { for (int xi = 0; xi < T; ++xi) { memo[yi][xi] = -1; } } bool judge = false; for (int yi = 0; yi < S; ++yi) { if (s[yi] == t[0] || judge) { memo[yi][0] = 1; judge = true; } else { memo[yi][0] = 0; } } judge = false; for (int xi = 1; xi < T; ++xi) { if (s[0] == t[xi] || judge) { memo[0][xi] = 1; judge = true; } else { memo[0][xi] = 0; } } for (int yi = 1; yi < S; ++yi) { for (int xi = 1; xi < T; ++xi) { if (s[yi] == t[xi]) { memo[yi][xi] = memo[yi - 1][xi - 1] + 1; } else { memo[yi][xi] = max(memo[yi - 1][xi], memo[yi][xi - 1]); } } } ll x, y; y = S - 1; x = T - 1; stack<char> stack; if (memo[S - 1][T - 1] == 0) { cout << "" << endl; return 0; } while (memo[y][x] > 0) { if (y != 0 && memo[y][x] == memo[y - 1][x]) { y--; continue; } if (x != 0 && memo[y][x] == memo[y][x - 1]) { x--; continue; } stack.push(s[y]); y--; x--; } // OutputVec2d(memo); while (!stack.empty()) { cout << stack.top(); stack.pop(); } cout << endl; }
#include <algorithm> #include <cmath> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using ll = long long; using graph = std::vector<std::vector<ll>>; using wGraph = std::vector<std::vector<std::pair<ll, ll>>>; #define rep(i, n) for (int i = 0; i < int(n); i++) using namespace std; vector<ll> InputVec(ll N) { vector<ll> A(N); for (int i = 0; i < N; ++i) { cin >> A[i]; } return A; } void OutputVec(vector<ll> A) { for (int i = 0; i < A.size(); ++i) { cout << A[i] << ","; } cout << endl; } vector<vector<ll>> InputVec2d(ll H, ll W) { vector<vector<ll>> A(H); for (int yi = 0; yi < H; ++yi) { A[yi] = vector<ll>(W); } for (int yi = 0; yi < H; ++yi) { for (int xi = 0; xi < W; ++xi) { cin >> A[yi][xi]; } } } void OutputVec2d(vector<vector<ll>> A) { for (int yi = 0; yi < A.size(); ++yi) { for (int xi = 0; xi < A[yi].size(); ++xi) { cout << A[yi][xi] << ","; } cout << endl; } } int main() { string s, t; cin >> s >> t; ll S = s.size(); ll T = t.size(); vector<vector<ll>> memo(S); for (int i = 0; i < S; ++i) { memo[i] = vector<ll>(T); } for (int yi = 0; yi < S; ++yi) { for (int xi = 0; xi < T; ++xi) { memo[yi][xi] = -1; } } bool judge = false; for (int yi = 0; yi < S; ++yi) { if (s[yi] == t[0] || judge) { memo[yi][0] = 1; judge = true; } else { memo[yi][0] = 0; } } judge = false; for (int xi = 1; xi < T; ++xi) { if (s[0] == t[xi] || judge) { memo[0][xi] = 1; judge = true; } else { memo[0][xi] = 0; } } for (int yi = 1; yi < S; ++yi) { for (int xi = 1; xi < T; ++xi) { if (s[yi] == t[xi]) { memo[yi][xi] = memo[yi - 1][xi - 1] + 1; } else { memo[yi][xi] = max(memo[yi - 1][xi], memo[yi][xi - 1]); } } } ll x, y; y = S - 1; x = T - 1; stack<char> stack; if (memo[S - 1][T - 1] == 0) { cout << "" << endl; return 0; } while ((y >= 0 && x >= 0) && memo[y][x] > 0) { if (y != 0 && memo[y][x] == memo[y - 1][x]) { y--; continue; } if (x != 0 && memo[y][x] == memo[y][x - 1]) { x--; continue; } stack.push(s[y]); y--; x--; } // OutputVec2d(memo); while (!stack.empty()) { cout << stack.top(); stack.pop(); } cout << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long int ll; const int MAX = 1e3 + 10; string A, B; ll N, M; ll dp[MAX][MAX]; int solve(int i, int j) { if (i >= N || j >= M) return 0; if (dp[i][j] != -1) return dp[i][j]; int ans = 0; if (A[i] == B[j]) { ans = 1 + solve(i + 1, j + 1); } else { ans = max(solve(i + 1, j), solve(i, j + 1)); } return dp[i][j] = ans; } void path(int i, int j) { if (i >= N || j >= M) return; if (A[i] == B[j]) { cout << A[i]; path(i + 1, j + 1); } else { if (solve(i + 1, j) == dp[i][j]) { path(i + 1, j); } else if (solve(i, j + 1) == dp[i][j]) { path(i, j + 1); } } } int main() { memset(dp, -1, sizeof dp); cin >> A >> B; N = A.size(); M = B.size(); solve(0, 0); path(0, 0); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; const int MAX = 3e3 + 10; string A, B; ll N, M; ll dp[MAX][MAX]; int solve(int i, int j) { if (i >= N || j >= M) return 0; if (dp[i][j] != -1) return dp[i][j]; int ans = 0; if (A[i] == B[j]) { ans = 1 + solve(i + 1, j + 1); } else { ans = max(solve(i + 1, j), solve(i, j + 1)); } return dp[i][j] = ans; } void path(int i, int j) { if (i >= N || j >= M) return; if (A[i] == B[j]) { cout << A[i]; path(i + 1, j + 1); } else { if (solve(i + 1, j) == dp[i][j]) { path(i + 1, j); } else if (solve(i, j + 1) == dp[i][j]) { path(i, j + 1); } } } int main() { memset(dp, -1, sizeof dp); cin >> A >> B; N = A.size(); M = B.size(); solve(0, 0); path(0, 0); return 0; }
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0
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int MAX_N = 1e3 + 5; int n, m; int dp[MAX_N][MAX_N]; char s[MAX_N], t[MAX_N], ans[MAX_N]; int main() { // dp[i][j] = maximum lcs using first i chars from s and first j chars from t // if s[i] == t[j], then there is a match, so, dp[i][j] = 1 + dp[i - 1][j - 1] // (we take the two chars) Else, there is no match, so we take the best option // from dp[i - 1][j], dp[i][j - 1]; int l; cin >> (s + 1) >> (t + 1); n = strlen(s + 1); m = strlen(t + 1); for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { if (s[i] == t[j]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } l = 0; while (n > 0 && m > 0) { if (dp[n][m] == dp[n - 1][m]) { --n; } else if (dp[n][m] == dp[n][m - 1]) { --m; } else { --n; --m; ans[l++] = s[1 + n]; } } reverse(ans, ans + l); cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; const int MAX_N = 3e3 + 5; int n, m; int dp[MAX_N][MAX_N]; char s[MAX_N], t[MAX_N], ans[MAX_N]; int main() { // dp[i][j] = maximum lcs using first i chars from s and first j chars from t // if s[i] == t[j], then there is a match, so, dp[i][j] = 1 + dp[i - 1][j - 1] // (we take the two chars) Else, there is no match, so we take the best option // from dp[i - 1][j], dp[i][j - 1]; int l; cin >> (s + 1) >> (t + 1); n = strlen(s + 1); m = strlen(t + 1); for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { if (s[i] == t[j]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } l = 0; while (n > 0 && m > 0) { if (dp[n][m] == dp[n - 1][m]) { --n; } else if (dp[n][m] == dp[n][m - 1]) { --m; } else { --n; --m; ans[l++] = s[1 + n]; } } reverse(ans, ans + l); cout << ans; return 0; }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; const int MAX_LENGTH = 3012; string s, t, dp[MAX_LENGTH][MAX_LENGTH]; int main() { cin >> s >> t; int s_length = s.size(), t_length = t.size(); if (s[0] == t[0]) dp[0][0] = s[0]; for (int i = 1; i < t_length; ++i) { if (t[i] == s[0] && dp[0][i - 1].empty()) dp[0][i] = s[0]; else dp[0][i] = dp[0][i - 1]; } int tst = 0; for (int i = 1; i < s_length; ++i) { if (tst % 2 == 0) { if (s[i] == t[0] && dp[0][0].size() == 0) dp[1][0] = s[i]; else dp[1][0] = dp[0][0]; } else { if (s[i] == t[0] && dp[1][0].size() == 0) dp[0][0] = s[i]; else dp[0][0] = dp[1][0]; } for (int j = 1; j < t_length; ++j) { if (tst % 2 == 0) { if (s[i] == t[j]) dp[1][j] = dp[0][j - 1] + s[i]; else if (dp[1][j - 1].size() > dp[0][j].size()) dp[1][j] = dp[1][j - 1]; else dp[1][j] = dp[0][j]; } else { if (s[i] == t[j]) dp[0][j] = dp[1][j - 1] + s[i]; else if (dp[0][j - 1].size() > dp[1][j].size()) dp[0][j] = dp[0][j - 1]; else dp[0][j] = dp[1][j]; } } tst++; } if (dp[0][t_length - 1].size() > dp[1][t_length - 1].size()) cout << dp[0][t_length - 1] << endl; else cout << dp[1][t_length - 1] << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int MAX_LENGTH = 3012; string s, t, dp[2][MAX_LENGTH]; int main() { cin >> s >> t; int s_length = s.size(), t_length = t.size(); if (s[0] == t[0]) dp[0][0] = s[0]; for (int i = 1; i < t_length; ++i) { if (t[i] == s[0] && dp[0][i - 1].empty()) dp[0][i] = s[0]; else dp[0][i] = dp[0][i - 1]; } int tst = 0; for (int i = 1; i < s_length; ++i) { if (tst % 2 == 0) { if (s[i] == t[0] && dp[0][0].size() == 0) dp[1][0] = s[i]; else dp[1][0] = dp[0][0]; } else { if (s[i] == t[0] && dp[1][0].size() == 0) dp[0][0] = s[i]; else dp[0][0] = dp[1][0]; } for (int j = 1; j < t_length; ++j) { if (tst % 2 == 0) { if (s[i] == t[j]) dp[1][j] = dp[0][j - 1] + s[i]; else if (dp[1][j - 1].size() > dp[0][j].size()) dp[1][j] = dp[1][j - 1]; else dp[1][j] = dp[0][j]; } else { if (s[i] == t[j]) dp[0][j] = dp[1][j - 1] + s[i]; else if (dp[0][j - 1].size() > dp[1][j].size()) dp[0][j] = dp[0][j - 1]; else dp[0][j] = dp[1][j]; } } tst++; } if (dp[0][t_length - 1].size() > dp[1][t_length - 1].size()) cout << dp[0][t_length - 1] << endl; else cout << dp[1][t_length - 1] << endl; return 0; }
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TLE
p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define ll long long using namespace std; string a, b; const int MAXN = 3005; ll dp[MAXN][MAXN]; int n, m; string ans; ll solve(int i, int j) { if (i == n) return 0; if (j == m) return 0; ll r = dp[i][j]; if (r != -1) return r; if (a[i] == b[j]) r = solve(i + 1, j + 1) + 1; else r = max(solve(i + 1, j), solve(i, j + 1)); return r; } void build(int i, int j) { if (i == n) return; if (j == m) return; ll answer = solve(i, j); if (a[i] == b[j] && answer == solve(i + 1, j + 1) + 1) { ans.push_back(a[i]); build(i + 1, j + 1); } else if (answer == solve(i + 1, j)) build(i + 1, j); else if (answer == solve(i, j + 1)) build(i, j + 1); return; } int main() { fast; cin >> a >> b; n = a.size(); m = b.size(); memset(dp, -1, sizeof dp); solve(0, 0); build(0, 0); cout << ans << "\n"; return 0; }
#include <bits/stdc++.h> #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define ll long long using namespace std; string a, b; const int MAXN = 3005; ll dp[MAXN][MAXN]; int n, m; string ans; ll solve(int i, int j) { if (i == n) return 0; if (j == m) return 0; ll r = dp[i][j]; if (r != -1) return r; if (a[i] == b[j]) r = solve(i + 1, j + 1) + 1; else r = max(solve(i + 1, j), solve(i, j + 1)); return dp[i][j] = r; } void build(int i, int j) { if (i == n) return; if (j == m) return; ll answer = solve(i, j); if (a[i] == b[j] && answer == solve(i + 1, j + 1) + 1) { ans.push_back(a[i]); build(i + 1, j + 1); } else if (answer == solve(i + 1, j)) build(i + 1, j); else if (answer == solve(i, j + 1)) build(i, j + 1); return; } int main() { fast; cin >> a >> b; n = a.size(); m = b.size(); memset(dp, -1, sizeof dp); solve(0, 0); build(0, 0); cout << ans << "\n"; return 0; }
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p03165
C++
Runtime Error
// // Created by Pulak on 18-11-2019. // #include <bits/stdc++.h> #include <iostream> using namespace std; int main() { string a, b; cin >> a >> b; int s1 = a.size(); int s2 = b.size(); vector<vector<int>> dp(5000, vector<int>(5000)); for (int i = 0; i <= s1; ++i) { for (int j = 0; j <= s2; ++j) { if (i == 0 || j == 0) dp[i][j] = 0; else if (a[i - 1] == b[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } } } string ans; int k = s1, j = s2; while (k > 0 || j > 0) { if (a[k - 1] == b[j - 1]) { ans += a[k - 1]; k--; j--; } else { if (dp[k - 1][j] > dp[k][j - 1]) k--; else j--; } } reverse(ans.begin(), ans.end()); cout << ans; }
// // Created by Pulak on 18-11-2019. // #include <bits/stdc++.h> #include <iostream> using namespace std; int main() { string a, b; cin >> a >> b; int s1 = a.size(); int s2 = b.size(); vector<vector<int>> dp(5000, vector<int>(5000)); for (int i = 0; i <= s1; ++i) { for (int j = 0; j <= s2; ++j) { if (i == 0 || j == 0) dp[i][j] = 0; else if (a[i - 1] == b[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } } } string ans; int k = s1, j = s2; while (k > 0 && j > 0) { if (a[k - 1] == b[j - 1]) { ans += a[k - 1]; k--; j--; } else { if (dp[k - 1][j] > dp[k][j - 1]) k--; else j--; } } reverse(ans.begin(), ans.end()); cout << ans; }
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terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll mod = 1000000007; const ll INF = mod * mod; #define stop \ char nyaa; \ cin >> nyaa; #define rep(i, n) for (int i = 0; i < n; i++) #define per(i, n) for (int i = n - 1; i >= 0; i--) #define Rep(i, sta, n) for (int i = sta; i < n; i++) #define rep1(i, n) for (int i = 1; i <= n; i++) #define per1(i, n) for (int i = n; i >= 1; i--) #define Rep1(i, sta, n) for (int i = sta; i <= n; i++) int main() { string s, t; cin >> s >> t; int n = s.size(), m = t.size(); int dp[1010][1010]; rep(i, n + 1) { rep(j, m + 1) { if (s[i] == t[j]) dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j] + 1); dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i + 1][j]); dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j + 1]); } } string res = ""; int i = n, j = m; while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else { res = s[i - 1] + res; i--; j--; } } cout << res << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll mod = 1000000007; const ll INF = mod * mod; #define stop \ char nyaa; \ cin >> nyaa; #define rep(i, n) for (int i = 0; i < n; i++) #define per(i, n) for (int i = n - 1; i >= 0; i--) #define Rep(i, sta, n) for (int i = sta; i < n; i++) #define rep1(i, n) for (int i = 1; i <= n; i++) #define per1(i, n) for (int i = n; i >= 1; i--) #define Rep1(i, sta, n) for (int i = sta; i <= n; i++) int main() { string s, t; cin >> s >> t; int n = s.size(), m = t.size(); int dp[3010][3010]; rep(i, n + 1) { rep(j, m + 1) { if (s[i] == t[j]) dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j] + 1); dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i + 1][j]); dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j + 1]); } } string res = ""; int i = n, j = m; while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else { res = s[i - 1] + res; i--; j--; } } cout << res << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; // C++14 (GCC 5.4.1) #define LLINF (1LL << 60) typedef long long ll; #define mod 1000000007 #define repd(i, a, b) for (int i = (a); i < (b); i++) #define rep(i, n) repd(i, 0, n) #define rrepd(i, a, b) for (int i = (a); i >= (b); i--) template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } template <typename T> inline T divrup(T a, T b) { if (a % b) return a / b + 1; else return a / b; } template <typename T> inline string toString(const T &a) { ostringstream oss; oss << a; return oss.str(); } #define dbg_v1(i, V) \ do { \ cout << "-v1----\n"; \ rep(i, V.size()) cout << " " << i << "\t:" << V[i] << endl; \ cout << endl; \ } while (0) #define dbg_v2(i, k, V) \ do { \ cout << "-v2----\n"; \ rep(i, V.size()) { \ rep(k, V[0].size()) cout << " " << V[i][k]; \ cout << endl; \ } \ } while (0) int main() { ios::sync_with_stdio(false); // stdoutとcoutの同期解除 cin.tie(nullptr); // cinとcoutの同期解除 string s, t; cin >> s >> t; vector<vector<int>> dp(3000, vector<int>(3000, 0)); int ss = s.size(), ts = t.size(); rep(i, ss) rep(k, ts) { if (s[i] == t[k]) chmax(dp[i + 1][k + 1], dp[i][k] + 1); chmax(dp[i + 1][k + 1], dp[i + 1][k]); chmax(dp[i + 1][k + 1], dp[i][k + 1]); } string ans = ""; int d = dp[ss][ts]; while (true) { if (d == 0) break; if (dp[ss - 1][ts] == d) ss--; else if (dp[ss][ts - 1] == d) ts--; else { ans = s[ss - 1] + ans; ss--, ts--, d--; } } cout << ans << endl; return (0); }
#include <bits/stdc++.h> using namespace std; // C++14 (GCC 5.4.1) #define LLINF (1LL << 60) typedef long long ll; #define mod 1000000007 #define repd(i, a, b) for (int i = (a); i < (b); i++) #define rep(i, n) repd(i, 0, n) #define rrepd(i, a, b) for (int i = (a); i >= (b); i--) template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } template <typename T> inline T divrup(T a, T b) { if (a % b) return a / b + 1; else return a / b; } template <typename T> inline string toString(const T &a) { ostringstream oss; oss << a; return oss.str(); } #define dbg_v1(i, V) \ do { \ cout << "-v1----\n"; \ rep(i, V.size()) cout << " " << i << "\t:" << V[i] << endl; \ cout << endl; \ } while (0) #define dbg_v2(i, k, V) \ do { \ cout << "-v2----\n"; \ rep(i, V.size()) { \ rep(k, V[0].size()) cout << " " << V[i][k]; \ cout << endl; \ } \ } while (0) int main() { ios::sync_with_stdio(false); // stdoutとcoutの同期解除 cin.tie(nullptr); // cinとcoutの同期解除 string s, t; cin >> s >> t; vector<vector<int>> dp(3001, vector<int>(3001, 0)); int ss = s.size(), ts = t.size(); rep(i, ss) rep(k, ts) { if (s[i] == t[k]) chmax(dp[i + 1][k + 1], dp[i][k] + 1); chmax(dp[i + 1][k + 1], dp[i + 1][k]); chmax(dp[i + 1][k + 1], dp[i][k + 1]); } string ans = ""; int d = dp[ss][ts]; while (true) { if (d == 0) break; if (dp[ss - 1][ts] == d) ss--; else if (dp[ss][ts - 1] == d) ts--; else { ans = s[ss - 1] + ans; ss--, ts--, d--; } } cout << ans << endl; return (0); }
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p03165
C++
Runtime Error
#include <algorithm> #include <cstring> #include <iostream> #include <string> using namespace std; typedef long long ll; int dp[3000][3000]; string li, ne; int f(int i, int j) { if (i == li.size() || j == ne.size()) return 0; if (dp[i][j] != -1) return dp[i][j]; if (li[i] == ne[j]) return dp[i][j] = 1 + f(i + 1, j + 1); return dp[i][j] = max(f(i + 1, j), f(i, j + 1)); } int main() { ios::sync_with_stdio(false); cin.tie(NULL); memset(dp, -1, sizeof dp); cin >> li >> ne; f(0, 0); int i = 0, j = 0; while (dp[i][j] > 0) { if (li[i] == ne[j]) cout << li[i], ++i, ++j; else if (dp[i][j + 1] < dp[i + 1][j]) ++i; else ++j; } return 0; }
#include <algorithm> #include <cstring> #include <iostream> #include <string> using namespace std; typedef long long ll; int dp[3001][3001]; string li, ne; int f(int i, int j) { if (i == li.size() || j == ne.size()) return 0; if (dp[i][j] != -1) return dp[i][j]; if (li[i] == ne[j]) return dp[i][j] = 1 + f(i + 1, j + 1); return dp[i][j] = max(f(i + 1, j), f(i, j + 1)); } int main() { ios::sync_with_stdio(false); cin.tie(NULL); memset(dp, -1, sizeof dp); cin >> li >> ne; f(0, 0); int i = 0, j = 0; while (dp[i][j] > 0) { if (li[i] == ne[j]) cout << li[i], ++i, ++j; else if (dp[i][j + 1] < dp[i + 1][j]) ++i; else ++j; } return 0; }
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0
p03165
C++
Runtime Error
#include <bits/stdc++.h> #define ll long long #define ios \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); const ll mod = 1000000007; using namespace std; string a, b; int d[1010][1010]; void lcs(int n, int m) { for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (j == 0 or i == 0) d[i][j] = 0; else if (a[i - 1] == b[j - 1]) d[i][j] = d[i - 1][j - 1] + 1; else d[i][j] = max(d[i - 1][j], d[i][j - 1]); } } string ans; int i = n, j = m; while (i > 0 and j > 0) { if (a[i - 1] == b[j - 1]) { i--, j--; ans += a[i]; continue; } if (d[i - 1][j] > d[i][j - 1]) i--; else j--; } reverse(ans.begin(), ans.end()); cout << ans; } int main() { cin >> a >> b; lcs(a.size(), b.size()); return 0; } /* AGGTAB GXTXAYB */
#include <bits/stdc++.h> #define ll long long #define ios \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); const ll mod = 1000000007; using namespace std; string a, b; int d[3010][3010]; void lcs(int n, int m) { for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (j == 0 or i == 0) d[i][j] = 0; else if (a[i - 1] == b[j - 1]) d[i][j] = d[i - 1][j - 1] + 1; else d[i][j] = max(d[i - 1][j], d[i][j - 1]); } } string ans; int i = n, j = m; while (i > 0 and j > 0) { if (a[i - 1] == b[j - 1]) { i--, j--; ans += a[i]; continue; } if (d[i - 1][j] > d[i][j - 1]) i--; else j--; } reverse(ans.begin(), ans.end()); cout << ans; } int main() { cin >> a >> b; lcs(a.size(), b.size()); return 0; } /* AGGTAB GXTXAYB */
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define Ds 1 #define Dt 2 #define Db 3 #define rep(i, a, b) for (int i = a; i < (b); ++i) #define trav(a, x) for (auto &a : x) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() #define ff first #define ss second typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; const int S = int(1e3) + 10; const ll MOD = ll(1e9) + 7; string s, t; int dp[S][S], mv[S][S]; int main() { cin.sync_with_stdio(0); cin.tie(0); cin >> s >> t; int n = sz(s); int m = sz(t); rep(i, 1, n + 1) rep(j, 1, m + 1) { mv[i][j] = Ds; if (dp[i][j] < dp[i - 1][j]) { dp[i][j] = dp[i - 1][j]; mv[i][j] = Ds; } if (dp[i][j] < dp[i][j - 1]) { dp[i][j] = dp[i][j - 1]; mv[i][j] = Dt; } if (s[i - 1] == t[j - 1] && dp[i][j] < dp[i - 1][j - 1] + 1) { dp[i][j] = dp[i - 1][j - 1] + 1; mv[i][j] = Db; } } int ci = n, cj = m; string res; while (ci > 0 && cj > 0) { if (mv[ci][cj] == Ds) ci--; else if (mv[ci][cj] == Dt) cj--; else { res.push_back(s[ci - 1]); ci--; cj--; } } reverse(all(res)); cout << res << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define Ds 1 #define Dt 2 #define Db 3 #define rep(i, a, b) for (int i = a; i < (b); ++i) #define trav(a, x) for (auto &a : x) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() #define ff first #define ss second typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; const int S = int(3e3) + 10; const ll MOD = ll(1e9) + 7; string s, t; int dp[S][S], mv[S][S]; int main() { cin.sync_with_stdio(0); cin.tie(0); cin >> s >> t; int n = sz(s); int m = sz(t); rep(i, 1, n + 1) rep(j, 1, m + 1) { mv[i][j] = Ds; if (dp[i][j] < dp[i - 1][j]) { dp[i][j] = dp[i - 1][j]; mv[i][j] = Ds; } if (dp[i][j] < dp[i][j - 1]) { dp[i][j] = dp[i][j - 1]; mv[i][j] = Dt; } if (s[i - 1] == t[j - 1] && dp[i][j] < dp[i - 1][j - 1] + 1) { dp[i][j] = dp[i - 1][j - 1] + 1; mv[i][j] = Db; } } int ci = n, cj = m; string res; while (ci > 0 && cj > 0) { if (mv[ci][cj] == Ds) ci--; else if (mv[ci][cj] == Dt) cj--; else { res.push_back(s[ci - 1]); ci--; cj--; } } reverse(all(res)); cout << res << endl; return 0; }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define inf 1000000000 #define INF 1000000000000000 #define ll long long #define ull unsigned long long #define M (int)(1e9 + 7) #define P pair<int, int> #define PLL pair<ll, ll> #define FOR(i, m, n) for (int i = (int)m; i < (int)n; i++) #define RFOR(i, m, n) for (int i = (int)m; i >= (int)n; i--) #define rep(i, n) FOR(i, 0, n) #define rrep(i, n) RFOR(i, n, 0) #define all(a) a.begin(), a.end() const int vx[4] = {0, 1, -1, 0}; const int vy[4] = {1, 0, 0, -1}; #define PI 3.14159265 #define F first #define S second #define PB push_back #define int ll string s, t; string dp[2][3001]; int size[2][3001]; signed main() { cin >> s >> t; rep(i, s.size()) { rep(j, t.size()) { if (s[i] == t[j]) { if (i == 0 || j == 0) { dp[i % 2][j] = s[i]; size[i % 2][j] = 1; } else { dp[i % 2][j] = dp[(i + 1) % 2][j - 1] + s[i]; size[i % 2][j] = size[(i + 1) % 2][j - 1] + 1; } } else { if (i == 0 && j == 0) continue; else if (i == 0 || j != 0 && size[(i + 1) % 2][j] < size[i % 2][j - 1]) { dp[i % 2][j] = dp[i % 2][j - 1]; size[i % 2][j] = size[i % 2][j - 1]; } else { dp[i % 2][j] = dp[(i + 1) % 2][j]; size[i % 2][j] = size[(i + 1) % 2][j]; } } } } cout << dp[(s.size() + 1) % 2][t.size() - 1] << endl; }
#include <bits/stdc++.h> using namespace std; #define inf 1000000000 #define INF 1000000000000000 #define ll long long #define ull unsigned long long #define M (int)(1e9 + 7) #define P pair<int, int> #define PLL pair<ll, ll> #define FOR(i, m, n) for (int i = (int)m; i < (int)n; i++) #define RFOR(i, m, n) for (int i = (int)m; i >= (int)n; i--) #define rep(i, n) FOR(i, 0, n) #define rrep(i, n) RFOR(i, n, 0) #define all(a) a.begin(), a.end() const int vx[4] = {0, 1, -1, 0}; const int vy[4] = {1, 0, 0, -1}; #define PI 3.14159265 #define F first #define S second #define PB push_back #define int ll string s, t; string dp[2][3001]; int size[2][3001]; signed main() { cin >> s >> t; rep(i, s.size()) { rep(j, t.size()) { if (s[i] == t[j]) { if (i == 0 || j == 0) { dp[i % 2][j] = s[i]; size[i % 2][j] = 1; } else if (size[i % 2][j] < size[(i + 1) % 2][j - 1] + 1) { dp[i % 2][j] = dp[(i + 1) % 2][j - 1] + s[i]; size[i % 2][j] = size[(i + 1) % 2][j - 1] + 1; } } else { if (i == 0 && j == 0) continue; else if (i == 0 || j != 0 && size[(i + 1) % 2][j] < size[i % 2][j - 1]) { dp[i % 2][j] = dp[i % 2][j - 1]; size[i % 2][j] = size[i % 2][j - 1]; } else { dp[i % 2][j] = dp[(i + 1) % 2][j]; size[i % 2][j] = size[(i + 1) % 2][j]; } } } } cout << dp[(s.size() + 1) % 2][t.size() - 1] << endl; }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; const int M = 3e3 + 4; string s, t, ans = ""; int dp[M][M], a, b, cnt, vis[M][M]; void fun(int x, int y) { if (x <= 0 || y <= 0 || cnt < 0) return; if (s[x] == t[y] && dp[x][y] == cnt) { ans += s[x]; cnt--; fun(x - 1, y - 1); } else { fun(x, y - 1); fun(x - 1, y); } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> s >> t; a = s.length(); b = t.length(); s = " " + s; t = " " + t; for (int i = 1; i <= a; i++) { for (int j = 1; j <= b; j++) { if (s[i] == t[j]) dp[i][j] = max(dp[i][j], 1 + dp[i - 1][j - 1]); else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } cnt = dp[a][b]; fun(a, b); reverse(ans.begin(), ans.end()); cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; const int M = 3e3 + 4; string s, t, ans = ""; int dp[M][M], a, b, cnt, vis[M][M]; void fun(int x, int y) { if (x <= 0 || y <= 0 || cnt < 0) return; if (s[x] == t[y] && dp[x][y] == cnt) { ans += s[x]; cnt--; fun(x - 1, y - 1); } else { if (dp[x][y - 1] > dp[x - 1][y]) fun(x, y - 1); else fun(x - 1, y); } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> s >> t; a = s.length(); b = t.length(); s = " " + s; t = " " + t; for (int i = 1; i <= a; i++) { for (int j = 1; j <= b; j++) { if (s[i] == t[j]) dp[i][j] = max(dp[i][j], 1 + dp[i - 1][j - 1]); else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } cnt = dp[a][b]; fun(a, b); reverse(ans.begin(), ans.end()); cout << ans; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 1e3 + 2; char res[N]; ll dp[N][N]; int main() { string s, t; cin >> s >> t; ll ns = s.length(); ll nt = t.length(); for (int i = 1; i <= ns; i++) { for (int j = 1; j <= nt; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } ll i = ns; ll j = nt; ll rc = 0; while (i != 0 && j != 0) { if (s[i - 1] == t[j - 1]) { rc++; res[rc] = s[i - 1]; i--; j--; } else { if (dp[i - 1][j] >= dp[i][j - 1]) i--; else j--; } } for (int i = rc; i >= 1; i--) cout << res[i]; cout << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 3e3 + 2; char res[N]; ll dp[N][N]; int main() { string s, t; cin >> s >> t; ll ns = s.length(); ll nt = t.length(); for (int i = 1; i <= ns; i++) { for (int j = 1; j <= nt; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } ll i = ns; ll j = nt; ll rc = 0; while (i != 0 && j != 0) { if (s[i - 1] == t[j - 1]) { rc++; res[rc] = s[i - 1]; i--; j--; } else { if (dp[i - 1][j] >= dp[i][j - 1]) i--; else j--; } } for (int i = rc; i >= 1; i--) cout << res[i]; cout << endl; return 0; }
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0
p03165
C++
Runtime Error
#include <bits/stdc++.h> typedef long long ll; using namespace std; int solution() { string s, t; getline(cin, s); getline(cin, t); ll n = s.length(); ll m = t.length(); vector<vector<ll>> dp(n + 1, vector<ll>(m + 1, 0)); for (ll i = 1; i <= n; i++) { for (ll j = 1; j <= m; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } string ans = ""; ll i = n, j = m; while (i >= 0 && j >= 0) { if (s[i - 1] == t[j - 1]) { ans.insert(ans.begin(), s[i - 1]); i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } cout << ans << "\n"; return 0; } int main() { int T = 1; // cin>>T; while (T--) solution(); return 0; }
#include <bits/stdc++.h> typedef long long ll; using namespace std; int solution() { string s, t; getline(cin, s); getline(cin, t); ll n = s.length(); ll m = t.length(); vector<vector<ll>> dp(n + 1, vector<ll>(m + 1, 0)); for (ll i = 1; i <= n; i++) { for (ll j = 1; j <= m; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } string ans = ""; ll i = n, j = m; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ans.insert(ans.begin(), s[i - 1]); i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } cout << ans << "\n"; return 0; } int main() { int T = 1; // cin>>T; while (T--) solution(); return 0; }
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p03165
C++
Runtime Error
// #include <bits/stdc++.h> #include <algorithm> #include <bitset> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <string.h> #include <string> #include <vector> #define ii int64_t #define PI 3.14 #define lli long long int #define li long int #define deb(x) cout << "\nhi" << x << "\n" #define mod 1000000007 #define f(x, n) for (int x = 0; x < n; ++x) #define ff(x, y, z) for (x = y; x <= z; ++x) #define fio \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); // while(scanf("%d",&n)!=EOF) using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); string s, t, ans; int64_t i, j, x, y; int dp[304][304]; memset(dp, 0, sizeof(dp)); cin >> s >> t; for (i = 1; i <= s.length(); i++) for (j = 1; j <= t.length(); j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } i = s.length(); j = t.length(); while (true) { if (i > 0 && dp[i][j] == dp[i - 1][j]) i--; else if (j > 0 && dp[i][j] == dp[i][j - 1]) j--; else if (i > 0 && j > 0 && s[i - 1] == t[j - 1]) { ans += s[i - 1]; i--; j--; } else break; } reverse(ans.begin(), ans.end()); cout << ans; }
// #include <bits/stdc++.h> #include <algorithm> #include <bitset> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <string.h> #include <string> #include <vector> #define ii int64_t #define PI 3.14 #define lli long long int #define li long int #define deb(x) cout << "\nhi" << x << "\n" #define mod 1000000007 #define f(x, n) for (int x = 0; x < n; ++x) #define ff(x, y, z) for (x = y; x <= z; ++x) #define fio \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); // while(scanf("%d",&n)!=EOF) using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); string s, t, ans; int64_t i, j, x, y; int dp[3004][3004]; memset(dp, 0, sizeof(dp)); cin >> s >> t; for (i = 1; i <= s.length(); i++) for (j = 1; j <= t.length(); j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } i = s.length(); j = t.length(); while (true) { if (i > 0 && dp[i][j] == dp[i - 1][j]) i--; else if (j > 0 && dp[i][j] == dp[i][j - 1]) j--; else if (i > 0 && j > 0 && s[i - 1] == t[j - 1]) { ans += s[i - 1]; i--; j--; } else break; } reverse(ans.begin(), ans.end()); cout << ans; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define mp make_pair #define mt make_tuple #define fi first #define se second #define pb push_back #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define forn(i, n) for (int i = 0; i < n; ++i) #define for1(i, n) for (int i = 1; i <= (int)(n); ++i) #define ford(i, n) for (int i = (int)(n)-1; i >= 0; --i) #define fore(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i) #define ll long long using namespace std; typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<pii> vpi; typedef vector<vi> vvi; typedef long long i64; typedef vector<i64> vi64; typedef vector<vi64> vvi64; typedef pair<i64, i64> pi64; typedef double ld; typedef long long ui64; template <class T> bool uin(T &a, T b) { return a > b ? (a = b, true) : false; } template <class T> bool uax(T &a, T b) { return a < b ? (a = b, true) : false; } // ui64 mx=1000*1000*1000+3; // ui64 dp[mx]; int dp[309][309]; int main() { string m, n; cin >> m >> n; int M = m.size(), N = n.size(); for (int i = 0; i <= M; i++) { for (int j = 0; j <= N; j++) { if (i == 0 || j == 0) { dp[i][j] = 0; continue; } if (m[i - 1] == n[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } string ans = ""; int len = dp[M][N]; int i = M, j = N; while (i > 0 && j > 0) { if (dp[i][j] == dp[i][j - 1]) { j--; } else if (dp[i][j] == dp[i - 1][j]) { i--; } else { ans += m[i - 1]; i--; j--; } } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; #define mp make_pair #define mt make_tuple #define fi first #define se second #define pb push_back #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define forn(i, n) for (int i = 0; i < n; ++i) #define for1(i, n) for (int i = 1; i <= (int)(n); ++i) #define ford(i, n) for (int i = (int)(n)-1; i >= 0; --i) #define fore(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i) #define ll long long using namespace std; typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<pii> vpi; typedef vector<vi> vvi; typedef long long i64; typedef vector<i64> vi64; typedef vector<vi64> vvi64; typedef pair<i64, i64> pi64; typedef double ld; typedef long long ui64; template <class T> bool uin(T &a, T b) { return a > b ? (a = b, true) : false; } template <class T> bool uax(T &a, T b) { return a < b ? (a = b, true) : false; } // ui64 mx=1000*1000*1000+3; // ui64 dp[mx]; int dp[3009][3009]; int main() { string m, n; cin >> m >> n; int M = m.size(), N = n.size(); for (int i = 0; i <= M; i++) { for (int j = 0; j <= N; j++) { if (i == 0 || j == 0) { dp[i][j] = 0; continue; } if (m[i - 1] == n[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } string ans = ""; int len = dp[M][N]; int i = M, j = N; while (i > 0 && j > 0) { if (dp[i][j] == dp[i][j - 1]) { j--; } else if (dp[i][j] == dp[i - 1][j]) { i--; } else { ans += m[i - 1]; i--; j--; } } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
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p03165
C++
Time Limit Exceeded
/* #pragma GCC optimize("O2") #pragma GCC optimize("unroll-loops") #pragma GCC target("avx,avx2,sse,sse2,fma,tune=native") //*/ #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> pii; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const ll maxn = 3100; const ll mod = 1e9 + 7; const ld PI = acos((ld)-1); #define pb push_back #define endl '\n' #define dokme(x) cout << x, exit(0); #define migmig \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define ms(x, y) memset(x, y, sizeof x); #define file_init \ freopen("input.txt", "r+", stdin); \ freopen("output.txt", "w+", stdout); ll pw(ll a, ll b, ll md = mod) { ll res = 1; while (b) { if (b & 1) { res = (a * res) % md; } a = (a * a) % md; b >>= 1; } return (res); } string s; string t; int dp[maxn][maxn]; int par[maxn][maxn]; int32_t main() { migmig cin >> s; cin >> t; int n = s.size(), m = t.size(); s = "." + s; t = '.' + t; pii mx = {0, 0}; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i] == t[j]) { dp[i][j] = dp[i - 1][j - 1] + 1; par[i][j] = 3; } else if (dp[i - 1][j] > dp[i][j - 1]) { dp[i][j] = dp[i - 1][j]; par[i][j] = 2; } else { dp[i][j] = dp[i][j - 1]; par[i][j] = 1; } if (dp[i][j] > dp[mx.first][mx.second]) mx = {i, j}; } } string ans = ""; while (mx != pii(0, 0)) { auto [f, s] = mx; if (par[f][s] == 3) { ans = t[s] + ans; } int bz = par[f][s] >= 2; s -= par[f][s] % 2; f -= bz; mx = {f, s}; } cout << ans; return (0); }
/* #pragma GCC optimize("O2") #pragma GCC optimize("unroll-loops") #pragma GCC target("avx,avx2,sse,sse2,fma,tune=native") //*/ #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> pii; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const ll maxn = 3100; const ll mod = 1e9 + 7; const ld PI = acos((ld)-1); #define pb push_back #define endl '\n' #define dokme(x) cout << x, exit(0); #define migmig \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define ms(x, y) memset(x, y, sizeof x); #define file_init \ freopen("input.txt", "r+", stdin); \ freopen("output.txt", "w+", stdout); ll pw(ll a, ll b, ll md = mod) { ll res = 1; while (b) { if (b & 1) { res = (a * res) % md; } a = (a * a) % md; b >>= 1; } return (res); } string s; string t; int dp[maxn][maxn]; int par[maxn][maxn]; int32_t main() { migmig cin >> s; cin >> t; int n = s.size(), m = t.size(); s = "." + s; t = '.' + t; pii mx = {0, 0}; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i] == t[j]) { dp[i][j] = dp[i - 1][j - 1] + 1; par[i][j] = 3; } else if (dp[i - 1][j] > dp[i][j - 1]) { dp[i][j] = dp[i - 1][j]; par[i][j] = 2; } else { dp[i][j] = dp[i][j - 1]; par[i][j] = 1; } if (dp[i][j] > dp[mx.first][mx.second]) mx = {i, j}; } } string ans = ""; while (mx != pii(0, 0)) { auto [f, s] = mx; if (par[f][s] == 3) { ans = t[s] + ans; } int bz = par[f][s] >= 2; s -= par[f][s] % 2; f -= bz; mx = {f, s}; if (par[f][s] == 0) break; } cout << ans; return (0); }
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p03165
C++
Runtime Error
/// BISMILLAHIR RAHMANIR RAHEEM /// ALLAH IS WATCHING ME /// ALLAH save us from COVID-19.Amin. /// █▀█─█──█──█▀█─█─█ /// █▄█─█──█──█▄█─█▄█ /// █─█─█▄─█▄─█─█─█─█ /// كُلُّ نَفْسٍ ذَآئِقَةُ الْمَوْت /// Every soul shall taste death. /// TODO:: #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/detail/standard_policies.hpp> #include <ext/pb_ds/tree_policy.hpp> /// order_of_key return number of elements less than x. /// find_by_order return index. using namespace std; using namespace __gnu_pbds; #define MOHAMMAD \ ios::sync_with_stdio(0); \ cin.tie(0); #define all(x) (x).begin(), (x).end() #define AE cout << fixed << setprecision(10); int dx8[] = {0, 0, 1, 1, 1, -1, -1, -1}; // 8-direction....... int dy8[] = {1, -1, 1, -1, 0, 0, -1, 1}; int dx4[] = {1, -1, 0, 0}; // 4-direction........... int dy4[] = {0, 0, 1, -1}; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; typedef tree<pair<int, int>, null_type, less<pair<int, int>>, rb_tree_tag, tree_order_statistics_node_update> ordered_multiset; // debug template <typename F, typename S> ostream &operator<<(ostream &os, const pair<F, S> &p) { return os << "(" << p.first << ", " << p.second << ")"; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { os << "{"; for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) os << ", "; os << *it; } return os << "}"; } template <typename T> ostream &operator<<(ostream &os, const set<T> &v) { os << "["; for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) os << ","; os << *it; } return os << "]"; } template <typename T> ostream &operator<<(ostream &os, const multiset<T> &v) { os << "["; for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) os << ", "; os << *it; } return os << "]"; } template <typename F, typename S> ostream &operator<<(ostream &os, const map<F, S> &v) { os << "["; for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) os << ", "; os << it->first << " = " << it->second; } return os << "]"; } #define dbg(args...) \ do { \ cerr << #args << " : "; \ faltu(args); \ } while (0) void faltu() { cerr << endl; } template <typename T> void faltu(T a[], int n) { for (int i = 0; i < n; ++i) cerr << a[i] << ' '; cerr << endl; } template <typename T, typename... hello> void faltu(T arg, const hello &...rest) { cerr << arg << ' '; faltu(rest...); } // #else // #define dbg(args...) //*********************************************** The END //********************************************************************************************************************************** using ll = long long; const ll N = 1e3 + 10; const ll INF = 1e18; ll dp[N + 1][N + 1]; string s, t, res = ""; ll recur(ll i, ll j) { if (i == s.size()) return 0; if (j == t.size()) return 0; ll &ret = dp[i][j]; if (~ret) return ret; ll mx = 0; if (s[i] == t[j]) mx = max(mx, 1 + recur(i + 1, j + 1)); mx = max(mx, recur(i + 1, j)); mx = max(mx, recur(i, j + 1)); return ret = mx; } string build(ll i, ll j) { if (i == s.size()) return ""; if (j == t.size()) return ""; string ans = ""; if (s[i] == t[j]) { ans = s[i] + build(i + 1, j + 1); return ans; // dbg ( ans ); // return ans; } if (recur(i + 1, j) > recur(i, j + 1)) { ans = build(i + 1, j); } else ans = build(i, j + 1); // dbg ( ans ); return ans; } int main() { MOHAMMAD memset(dp, -1, sizeof dp); cin >> s >> t; cout << build(0, 0); } /* Alhamdulillah */
/// BISMILLAHIR RAHMANIR RAHEEM /// ALLAH IS WATCHING ME /// ALLAH save us from COVID-19.Amin. /// █▀█─█──█──█▀█─█─█ /// █▄█─█──█──█▄█─█▄█ /// █─█─█▄─█▄─█─█─█─█ /// كُلُّ نَفْسٍ ذَآئِقَةُ الْمَوْت /// Every soul shall taste death. /// TODO:: #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/detail/standard_policies.hpp> #include <ext/pb_ds/tree_policy.hpp> /// order_of_key return number of elements less than x. /// find_by_order return index. using namespace std; using namespace __gnu_pbds; #define MOHAMMAD \ ios::sync_with_stdio(0); \ cin.tie(0); #define all(x) (x).begin(), (x).end() #define AE cout << fixed << setprecision(10); int dx8[] = {0, 0, 1, 1, 1, -1, -1, -1}; // 8-direction....... int dy8[] = {1, -1, 1, -1, 0, 0, -1, 1}; int dx4[] = {1, -1, 0, 0}; // 4-direction........... int dy4[] = {0, 0, 1, -1}; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; typedef tree<pair<int, int>, null_type, less<pair<int, int>>, rb_tree_tag, tree_order_statistics_node_update> ordered_multiset; // debug template <typename F, typename S> ostream &operator<<(ostream &os, const pair<F, S> &p) { return os << "(" << p.first << ", " << p.second << ")"; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { os << "{"; for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) os << ", "; os << *it; } return os << "}"; } template <typename T> ostream &operator<<(ostream &os, const set<T> &v) { os << "["; for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) os << ","; os << *it; } return os << "]"; } template <typename T> ostream &operator<<(ostream &os, const multiset<T> &v) { os << "["; for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) os << ", "; os << *it; } return os << "]"; } template <typename F, typename S> ostream &operator<<(ostream &os, const map<F, S> &v) { os << "["; for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) os << ", "; os << it->first << " = " << it->second; } return os << "]"; } #define dbg(args...) \ do { \ cerr << #args << " : "; \ faltu(args); \ } while (0) void faltu() { cerr << endl; } template <typename T> void faltu(T a[], int n) { for (int i = 0; i < n; ++i) cerr << a[i] << ' '; cerr << endl; } template <typename T, typename... hello> void faltu(T arg, const hello &...rest) { cerr << arg << ' '; faltu(rest...); } // #else // #define dbg(args...) //*********************************************** The END //********************************************************************************************************************************** using ll = long long; const ll N = 3e3 + 10; const ll INF = 1e18; ll dp[N + 1][N + 1]; string s, t, res = ""; ll recur(ll i, ll j) { if (i == s.size()) return 0; if (j == t.size()) return 0; ll &ret = dp[i][j]; if (~ret) return ret; ll mx = 0; if (s[i] == t[j]) mx = max(mx, 1 + recur(i + 1, j + 1)); mx = max(mx, recur(i + 1, j)); mx = max(mx, recur(i, j + 1)); return ret = mx; } string build(ll i, ll j) { if (i == s.size()) return ""; if (j == t.size()) return ""; string ans = ""; if (s[i] == t[j]) { ans = s[i] + build(i + 1, j + 1); return ans; // dbg ( ans ); // return ans; } if (recur(i + 1, j) > recur(i, j + 1)) { ans = build(i + 1, j); } else ans = build(i, j + 1); // dbg ( ans ); return ans; } int main() { MOHAMMAD memset(dp, -1, sizeof dp); cin >> s >> t; cout << build(0, 0); } /* Alhamdulillah */
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p03165
C++
Runtime Error
#include <iostream> #include <string> #include <vector> using namespace std; // int dp[3100][3100]; int dp[50][50]; int main() { string s, t; cin >> s >> t; for (int i = 0; i < s.size(); ++i) { dp[i][0] = 0; } for (int j = 0; j < t.size(); ++j) { dp[0][j] = 0; } // memset(dp, 0, sizeof(dp)); // kottinoga raku for (int i = 0; i < s.size(); ++i) { for (int j = 0; j < t.size(); ++j) { if (s[i] == t[j]) { dp[i + 1][j + 1] = max(dp[i + 1][j], dp[i][j] + 1); dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j + 1]); } else { dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j]); } } } // fukugen string res = ""; int i = (int)s.size(); int j = (int)t.size(); while (i > 0 && j > 0) { // (i-1, j) -> (i, j) と更新されていた場合 if (dp[i][j] == dp[i - 1][j]) { --i; // DP の遷移を遡る } // (i, j-1) -> (i, j) と更新されていた場合 else if (dp[i][j] == dp[i][j - 1]) { --j; // DP の遷移を遡る } // (i-1, j-1) -> (i, j) と更新されていた場合 else { res = s[i - 1] + res; // このとき s[i-1] == t[j-1] なので、t[j-1] + res でも OK --i, --j; // DP の遷移を遡る } } // cout << dp[s.size()][t.size()] << endl; cout << res << endl; }
#include <iostream> #include <string> #include <vector> using namespace std; int dp[3100][3100]; int main() { string s, t; cin >> s >> t; for (int i = 0; i < s.size(); ++i) { dp[i][0] = 0; } for (int j = 0; j < t.size(); ++j) { dp[0][j] = 0; } // memset(dp, 0, sizeof(dp)); // kottinoga raku for (int i = 0; i < s.size(); ++i) { for (int j = 0; j < t.size(); ++j) { if (s[i] == t[j]) { dp[i + 1][j + 1] = max(dp[i + 1][j], dp[i][j] + 1); dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j + 1]); } else { dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j]); } } } // fukugen string res = ""; int i = (int)s.size(); int j = (int)t.size(); while (i > 0 && j > 0) { // (i-1, j) -> (i, j) と更新されていた場合 if (dp[i][j] == dp[i - 1][j]) { --i; // DP の遷移を遡る } // (i, j-1) -> (i, j) と更新されていた場合 else if (dp[i][j] == dp[i][j - 1]) { --j; // DP の遷移を遡る } // (i-1, j-1) -> (i, j) と更新されていた場合 else { res = s[i - 1] + res; // このとき s[i-1] == t[j-1] なので、t[j-1] + res でも OK --i, --j; // DP の遷移を遡る } } // cout << dp[s.size()][t.size()] << endl; cout << res << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { string s, t; cin >> s >> t; int n = s.size(), m = t.size(); int dp[n + 1][m + 1]; for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (i == 0 || j == 0) dp[i][j] = 0; else if (s[i - 1] == t[j - 1]) dp[i][j] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } } char ch[dp[n][m] + 1]; int i = n, j = m; while (i > 0 || j > 0) { if (s[i - 1] == t[j - 1]) { ch[dp[i][j]] = s[i - 1]; i--, j--; } else if (dp[i - 1][j] < dp[i][j - 1]) { j--; } else i--; } for (int i = 1; i <= dp[n][m]; i++) cout << ch[i]; cout << endl; }
#include <bits/stdc++.h> using namespace std; int main() { string s, t; cin >> s >> t; int n = s.size(), m = t.size(); int dp[n + 1][m + 1]; for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (i == 0 || j == 0) dp[i][j] = 0; else if (s[i - 1] == t[j - 1]) dp[i][j] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } } char ch[dp[n][m] + 1]; int i = n, j = m; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ch[dp[i][j]] = s[i - 1]; i--, j--; } else if (dp[i - 1][j] < dp[i][j - 1]) { j--; } else i--; } for (int i = 1; i <= dp[n][m]; i++) cout << ch[i]; cout << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const long long maxn = 2000; long long f[maxn + 5][maxn + 5]; int main() { string s, s1 = "", ans = ""; long long i, j, m, n; cin >> s1 >> s; if (s1.length() > s.length()) swap(s1, s); m = s.length(); n = s1.length(); s = 'l' + s; s1 = 'l' + s1; for (i = 1; i <= m; i++) { for (j = 1; j <= n; j++) { if (s[i] == s1[j]) f[i][j] = f[i - 1][j - 1] + 1; else f[i][j] = max(f[i - 1][j], f[i][j - 1]); } } while (f[m][n] > 0) { if (s[m] == s1[n]) ans += s[m], m--, n--; else if (f[m][n] == f[m][n - 1]) n--; else m--; } reverse(ans.begin(), ans.end()); cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; const long long maxn = 3000; long long f[maxn + 5][maxn + 5]; int main() { string s, s1 = "", ans = ""; long long i, j, m, n; cin >> s1 >> s; if (s1.length() > s.length()) swap(s1, s); m = s.length(); n = s1.length(); s = 'l' + s; s1 = 'l' + s1; for (i = 1; i <= m; i++) { for (j = 1; j <= n; j++) { if (s[i] == s1[j]) f[i][j] = f[i - 1][j - 1] + 1; else f[i][j] = max(f[i - 1][j], f[i][j - 1]); } } while (f[m][n] > 0) { if (s[m] == s1[n]) ans += s[m], m--, n--; else if (f[m][n] == f[m][n - 1]) n--; else m--; } reverse(ans.begin(), ans.end()); cout << ans << endl; }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int dp[3001][3001]; int lcs(string s, string t, int n, int m) { if (n >= s.size() || m >= t.size()) { dp[n][m] = 0; return 0; } if (dp[n][m] != -1) return dp[n][m]; int ans; if (s[n] == t[m]) { if (dp[n + 1][m + 1] == -1) dp[n + 1][m + 1] = lcs(s, t, n + 1, m + 1); ans = 1 + dp[n + 1][m + 1]; } else { if (dp[n][m + 1] == -1) dp[n][m + 1] = lcs(s, t, n, m + 1); if (dp[n + 1][m] == -1) dp[n + 1][m] = lcs(s, t, n + 1, m); if (dp[n + 1][m] > dp[n][m + 1]) ans = dp[n + 1][m]; else ans = dp[n][m + 1]; } dp[n][m] = ans; return ans; } int main() { for (int i = 0; i < 3000; i++) for (int j = 0; j <= 3000; j++) dp[i][j] = -1; string s, t; cin >> s >> t; lcs(s, t, 0, 0); string str = ""; int i = 0, j = 0; while (i < s.size() && j < t.size()) { if (s[i] == t[j]) { str += s[i]; i++; j++; } else if (dp[i + 1][j] > dp[i][j + 1]) i++; else j++; } cout << str << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int dp[3001][3001]; int lcs(string &s, string &t, int n, int m) { if (n >= s.size() || m >= t.size()) { dp[n][m] = 0; return 0; } if (dp[n][m] != -1) return dp[n][m]; int ans; if (s[n] == t[m]) { if (dp[n + 1][m + 1] == -1) dp[n + 1][m + 1] = lcs(s, t, n + 1, m + 1); ans = 1 + dp[n + 1][m + 1]; } else { if (dp[n][m + 1] == -1) dp[n][m + 1] = lcs(s, t, n, m + 1); if (dp[n + 1][m] == -1) dp[n + 1][m] = lcs(s, t, n + 1, m); if (dp[n + 1][m] > dp[n][m + 1]) ans = dp[n + 1][m]; else ans = dp[n][m + 1]; } dp[n][m] = ans; return ans; } int main() { for (int i = 0; i < 3000; i++) for (int j = 0; j <= 3000; j++) dp[i][j] = -1; string s, t; cin >> s >> t; lcs(s, t, 0, 0); string str = ""; int i = 0, j = 0; while (i < s.size() && j < t.size()) { if (s[i] == t[j]) { str += s[i]; i++; j++; } else if (dp[i + 1][j] > dp[i][j + 1]) i++; else j++; } cout << str << endl; return 0; }
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TLE
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define IOS \ { \ ios ::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); \ } typedef unsigned long long ull; typedef long long int ll; typedef long double ld; #define REP(i, a, b) for (ll i = a; i <= b; ++i) #define REV(i, a, b) for (ll i = a; i >= b; i--) #define pll pair<ll, ll> #define vll vector<ll> #define sll set<ll> #define vpll vector<pll> #define F first #define S second #define PB push_back #define MP make_pair #define min_pq priority_queue<ll, vector<ll>, greater<ll>> #define max_pq priority_queue<ll> #define deci(n) fixed << setprecision(n) #define INF 1e18 ll mod = 1000000007; ////__RANGE__UPDATE___/// vector<ll> initializeDiffArray(vector<ll> &A); void update(vector<ll> &D, ll l, ll r, ll x); void getArray(vector<ll> &A, vector<ll> &D); ////__RANGE__UPDATE___/// ll min(ll a, ll b); ll max(ll a, ll b); ll gcd(ll a, ll b); void swap(ll *a, ll *b); ll lcm(ll a, ll b); ll modpower(ll x, ll y, ll p); // Only for integer y's ll power(ll x, ll y); ll modulo(ll value, ll m); ll myXOR(ll x, ll y); ll diff(ll a, ll b); int main() { IOS; /* #ifdef DEBUG freopen("std.in", "r", stdin); freopen("std.out", "w", stdout); #else freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif */ ll rep = 1; // cin>>rep; while (rep--) { string s, t; cin >> s >> t; ll n = s.length(); ll m = t.length(); ll DP[n + 1][m + 1][2]; REP(i, 0, n) { DP[i][0][0] = 0; DP[i][0][1] = 0; } REP(i, 0, m) { DP[0][i][0] = 0; DP[i][0][1] = 0; } REP(i, 1, n) { REP(j, 1, m) { if (s[i - 1] == t[j - 1]) { DP[i][j][0] = DP[i - 1][j - 1][0] + 1; DP[i][j][1] = 1; } else { if (DP[i - 1][j][0] > DP[i][j - 1][0]) { DP[i][j][0] = DP[i - 1][j][0]; DP[i][j][1] = 2; } else { DP[i][j][0] = DP[i][j - 1][0]; DP[i][j][1] = 3; } } } } ll i, j; i = n, j = m; t = ""; while (1) { if (DP[i][j][1] == 0) break; if (DP[i][j][1] == 1) { t = t + s[i - 1]; i--; j--; } else if (DP[i][j][1] == 2) i--; else j--; } reverse(t.begin(), t.end()); cout << t << '\n'; } return 0; } ll myXOR(ll x, ll y) { return (x | y) & (~x | ~y); } ll min(ll a, ll b) { if (a > b) return b; return a; } ll max(ll a, ll b) { if (a < b) return b; return a; } ll gcd(ll a, ll b) { if (a == 0) return b; return gcd(b % a, a); } ll diff(ll a, ll b) { if (a > b) return a - b; return b - a; } void swap(ll *a, ll *b) { ll t = *a; *a = *b; *b = t; } ll lcm(ll a, ll b) { if (a == 0) return b; if (b == 0) return a; return (a * b) / gcd(a, b); } ll modpower(ll x, ll y, ll p) { ll res = 1; // Initialize result x = x % p; // Update x if it is more than or // equal to p while (y > 0) { // If y is odd, multiply x with result if (y & 1) res = (res * x) % p; // y must be even now y = y >> 1; // y = y/2 x = (x * x) % p; } return res; } ll power(ll x, ll y) { ll temp; if (y == 0) return 1; temp = power(x, y / 2); if (y % 2 == 0) return temp * temp; else return x * temp * temp; } ll modulo(ll value, ll m) { ll mod = value % m; if (value < 0) { mod += m; } return mod; } vector<ll> initializeDiffArray(vector<ll> &A) { ll n = A.size(); // We use one extra space because // update(l, r, x) updates D[r+1] vector<ll> D(n + 1); D[0] = A[0], D[n] = 0; for (ll i = 1; i < n; i++) D[i] = A[i] - A[i - 1]; return D; } // Does range update void update(vector<ll> &D, ll l, ll r, ll x) { D[l] += x; D[r + 1] -= x; } // Prints updated Array void getArray(vector<ll> &A, vector<ll> &D) { for (ll i = 0; i < A.size(); i++) { if (i == 0) A[i] = D[i]; // Note that A[0] or D[0] decides // values of rest of the elements. else A[i] = D[i] + A[i - 1]; } }
#include <bits/stdc++.h> using namespace std; #define IOS \ { \ ios ::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); \ } typedef unsigned long long ull; typedef long long int ll; typedef long double ld; #define REP(i, a, b) for (ll i = a; i <= b; ++i) #define REV(i, a, b) for (ll i = a; i >= b; i--) #define pll pair<ll, ll> #define vll vector<ll> #define sll set<ll> #define vpll vector<pll> #define F first #define S second #define PB push_back #define MP make_pair #define min_pq priority_queue<ll, vector<ll>, greater<ll>> #define max_pq priority_queue<ll> #define deci(n) fixed << setprecision(n) #define INF 1e18 ll mod = 1000000007; ////__RANGE__UPDATE___/// vector<ll> initializeDiffArray(vector<ll> &A); void update(vector<ll> &D, ll l, ll r, ll x); void getArray(vector<ll> &A, vector<ll> &D); ////__RANGE__UPDATE___/// ll min(ll a, ll b); ll max(ll a, ll b); ll gcd(ll a, ll b); void swap(ll *a, ll *b); ll lcm(ll a, ll b); ll modpower(ll x, ll y, ll p); // Only for integer y's ll power(ll x, ll y); ll modulo(ll value, ll m); ll myXOR(ll x, ll y); ll diff(ll a, ll b); int main() { IOS; /* #ifdef DEBUG freopen("std.in", "r", stdin); freopen("std.out", "w", stdout); #else freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif */ ll rep = 1; // cin>>rep; while (rep--) { string s, t; cin >> s >> t; ll n = s.length(); ll m = t.length(); ll DP[n + 1][m + 1][2]; REP(i, 0, n) { DP[i][0][0] = 0; DP[i][0][1] = 0; } REP(i, 0, m) { DP[0][i][0] = 0; DP[0][i][1] = 0; } REP(i, 1, n) { REP(j, 1, m) { if (s[i - 1] == t[j - 1]) { DP[i][j][0] = DP[i - 1][j - 1][0] + 1; DP[i][j][1] = 1; } else { if (DP[i - 1][j][0] > DP[i][j - 1][0]) { DP[i][j][0] = DP[i - 1][j][0]; DP[i][j][1] = 2; } else { DP[i][j][0] = DP[i][j - 1][0]; DP[i][j][1] = 3; } } } } ll i, j; i = n, j = m; t = ""; while (1) { if (DP[i][j][1] == 0) break; if (DP[i][j][1] == 1) { t = t + s[i - 1]; i--; j--; } else if (DP[i][j][1] == 2) i--; else j--; } reverse(t.begin(), t.end()); cout << t << '\n'; } return 0; } ll myXOR(ll x, ll y) { return (x | y) & (~x | ~y); } ll min(ll a, ll b) { if (a > b) return b; return a; } ll max(ll a, ll b) { if (a < b) return b; return a; } ll gcd(ll a, ll b) { if (a == 0) return b; return gcd(b % a, a); } ll diff(ll a, ll b) { if (a > b) return a - b; return b - a; } void swap(ll *a, ll *b) { ll t = *a; *a = *b; *b = t; } ll lcm(ll a, ll b) { if (a == 0) return b; if (b == 0) return a; return (a * b) / gcd(a, b); } ll modpower(ll x, ll y, ll p) { ll res = 1; // Initialize result x = x % p; // Update x if it is more than or // equal to p while (y > 0) { // If y is odd, multiply x with result if (y & 1) res = (res * x) % p; // y must be even now y = y >> 1; // y = y/2 x = (x * x) % p; } return res; } ll power(ll x, ll y) { ll temp; if (y == 0) return 1; temp = power(x, y / 2); if (y % 2 == 0) return temp * temp; else return x * temp * temp; } ll modulo(ll value, ll m) { ll mod = value % m; if (value < 0) { mod += m; } return mod; } vector<ll> initializeDiffArray(vector<ll> &A) { ll n = A.size(); // We use one extra space because // update(l, r, x) updates D[r+1] vector<ll> D(n + 1); D[0] = A[0], D[n] = 0; for (ll i = 1; i < n; i++) D[i] = A[i] - A[i - 1]; return D; } // Does range update void update(vector<ll> &D, ll l, ll r, ll x) { D[l] += x; D[r + 1] -= x; } // Prints updated Array void getArray(vector<ll> &A, vector<ll> &D) { for (ll i = 0; i < A.size(); i++) { if (i == 0) A[i] = D[i]; // Note that A[0] or D[0] decides // values of rest of the elements. else A[i] = D[i] + A[i - 1]; } }
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C++
Runtime Error
// turmak-_- #include <bits/stdc++.h> #define all(v) v.begin(), v.end() #define nl "\n" #define IOI return 0; #define pb push_back #define ll long long #define ld long double #define IOS \ ios_base ::sync_with_stdio(NULL); \ cin.tie(0); \ cout.tie(0); #define pii pair<int, int> #define X first #define Y second using namespace std; const int N = (int)2e5 + 7; const int MOD = (int)1e9 + 7; const int INF = (int)1e9 + 7; const int UNDEF = -1; pii dx[] = {{1, 0}, {-1, 0}, {0, 1}, {0, -1}}; int dp[400][400]; pii p[400][400]; int main() { IOS // freopen("lepus.in", "r", stdin); // freopen("lepus.out", "w", stdout); string a, b; cin >> a >> b; int n = a.size(); int m = b.size(); a = ' ' + a; b = ' ' + b; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { if (a[i] == b[j]) { dp[i][j] = dp[i - 1][j - 1] + 1; p[i][j] = {i - 1, j - 1}; } else { dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); if (dp[i][j - 1] > dp[i - 1][j]) { p[i][j] = {i, j - 1}; } else { p[i][j] = {i - 1, j}; } } } } pii cur = {n, m}; string s; while (true) { if (a[cur.X] == b[cur.Y]) s = a[cur.X] + s; if (cur.X <= 1 && cur.Y <= 1) { break; } pii Next = p[cur.X][cur.Y]; cur.X = Next.X, cur.Y = Next.Y; } cout << s; IOI }
// turmak-_- #include <bits/stdc++.h> #define all(v) v.begin(), v.end() #define nl "\n" #define IOI return 0; #define pb push_back #define ll long long #define ld long double #define IOS \ ios_base ::sync_with_stdio(NULL); \ cin.tie(0); \ cout.tie(0); #define pii pair<int, int> #define X first #define Y second using namespace std; const int N = (int)2e5 + 7; const int MOD = (int)1e9 + 7; const int INF = (int)1e9 + 7; const int UNDEF = -1; pii dx[] = {{1, 0}, {-1, 0}, {0, 1}, {0, -1}}; int dp[4000][4000]; pii p[4000][4000]; int main() { IOS // freopen("lepus.in", "r", stdin); // freopen("lepus.out", "w", stdout); string a, b; cin >> a >> b; int n = a.size(); int m = b.size(); a = ' ' + a; b = ' ' + b; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { if (a[i] == b[j]) { dp[i][j] = dp[i - 1][j - 1] + 1; p[i][j] = {i - 1, j - 1}; } else { dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); if (dp[i][j - 1] > dp[i - 1][j]) { p[i][j] = {i, j - 1}; } else { p[i][j] = {i - 1, j}; } } } } pii cur = {n, m}; string s; while (true) { if (a[cur.X] == b[cur.Y]) s = a[cur.X] + s; if (cur.X <= 1 && cur.Y <= 1) { break; } pii Next = p[cur.X][cur.Y]; cur.X = Next.X, cur.Y = Next.Y; } cout << s; IOI }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> typedef long long ll; #define w first #define v second #define ii pair<ll, ll> using namespace std; string s, t; const int N = 1010; int m, n; int mem[N][N]; int dp(int i, int j) { if (i == n || j == m) return 0; int &ret = mem[i][j]; if (ret != -1) return ret; ret = 0; if (s[i] == t[j]) ret = 1 + dp(i + 1, j + 1); return ret = max({ret, dp(i + 1, j), dp(i, j + 1)}); } void getpath(int i, int j) { if (i == n || j == m) return; int &ret = mem[i][j]; if (s[i] == t[j]) { printf("%c", s[i]); getpath(i + 1, j + 1); return; } if (mem[i + 1][j] > mem[i][j + 1]) getpath(i + 1, j); else getpath(i, j + 1); } int main() { memset(mem, -1, sizeof mem); cin >> s >> t; n = s.length(); m = t.length(); // printf("%d\n" , dp(0,0)); dp(0, 0); getpath(0, 0); }
#include <bits/stdc++.h> typedef long long ll; #define w first #define v second #define ii pair<ll, ll> using namespace std; string s, t; const int N = 3010; int m, n; int mem[N][N]; int dp(int i, int j) { if (i == n || j == m) return 0; int &ret = mem[i][j]; if (ret != -1) return ret; ret = 0; if (s[i] == t[j]) ret = 1 + dp(i + 1, j + 1); return ret = max({ret, dp(i + 1, j), dp(i, j + 1)}); } void getpath(int i, int j) { if (i == n || j == m) return; int &ret = mem[i][j]; if (s[i] == t[j]) { printf("%c", s[i]); getpath(i + 1, j + 1); return; } if (mem[i + 1][j] > mem[i][j + 1]) getpath(i + 1, j); else getpath(i, j + 1); } int main() { memset(mem, -1, sizeof mem); cin >> s >> t; n = s.length(); m = t.length(); // printf("%d\n" , dp(0,0)); dp(0, 0); getpath(0, 0); }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const long long mod = 1e+7; const int N = 1e3 + 5; #define pb push_back #define mp make_pair #define ff first #define ss second #define ll long long #define fr(i, l, m) for (int i = l; i < m; i++) #define vii vector<int> #define vpr vector<pair<ll, ll>> ll pwr(ll x, ll y); bool isprime(int n); string s, t, ans = ""; int lca[N][N]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> s >> t; int s_sz = s.size(), t_sz = t.size(); fr(i, 0, s_sz + 1) { fr(j, 0, t_sz + 1) { if (i == 0 || j == 0) { lca[i][j] = 0; } else if (s[i - 1] == t[j - 1]) { lca[i][j] = (1 + lca[i - 1][j - 1]); } else { lca[i][j] = max(lca[i - 1][j], lca[i][j - 1]); } // cout<<lca[i][j]<<' '; } // cout<<endl; } int i = s_sz, j = t_sz; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ans += s[i - 1]; i -= 1; j -= 1; } else if (lca[i - 1][j] > lca[i][j - 1]) { i -= 1; } else { j -= 1; } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; } ll pwr(ll x, ll y) { ll ans = 1; x = x % mod; while (y > 0) { if (y & 1) ans = (x * (ans % mod)) % mod; x = (x * x) % mod; y = y / 2; } return ans % mod; } bool isprime(int n) { if (n <= 1) return false; if (n <= 3) return true; if (n % 2 == 0 || n % 3 == 0) return false; for (int i = 5; i * i <= n; i = i + 6) if (n % i == 0 || n % (i + 2) == 0) return false; return true; }
#include <bits/stdc++.h> using namespace std; const long long mod = 1e+7; const int N = 3e3 + 5; #define pb push_back #define mp make_pair #define ff first #define ss second #define ll long long #define fr(i, l, m) for (int i = l; i < m; i++) #define vii vector<int> #define vpr vector<pair<ll, ll>> ll pwr(ll x, ll y); bool isprime(int n); string s, t, ans = ""; int lca[N][N]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> s >> t; int s_sz = s.size(), t_sz = t.size(); fr(i, 0, s_sz + 1) { fr(j, 0, t_sz + 1) { if (i == 0 || j == 0) { lca[i][j] = 0; } else if (s[i - 1] == t[j - 1]) { lca[i][j] = (1 + lca[i - 1][j - 1]); } else { lca[i][j] = max(lca[i - 1][j], lca[i][j - 1]); } // cout<<lca[i][j]<<' '; } // cout<<endl; } int i = s_sz, j = t_sz; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ans += s[i - 1]; i -= 1; j -= 1; } else if (lca[i - 1][j] > lca[i][j - 1]) { i -= 1; } else { j -= 1; } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; } ll pwr(ll x, ll y) { ll ans = 1; x = x % mod; while (y > 0) { if (y & 1) ans = (x * (ans % mod)) % mod; x = (x * x) % mod; y = y / 2; } return ans % mod; } bool isprime(int n) { if (n <= 1) return false; if (n <= 3) return true; if (n % 2 == 0 || n % 3 == 0) return false; for (int i = 5; i * i <= n; i = i + 6) if (n % i == 0 || n % (i + 2) == 0) return false; return true; }
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p03165
C++
Runtime Error
// Target Expert /* * Author : raj1307 - Raj Singh * Institute : Jalpaiguri Government Engineering College * Date : 3.08.19 */ #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #define _CRT_SECURE_NO_WARNINGS #include <algorithm> #include <assert.h> #include <complex> #include <ctime> #include <fstream> #include <iomanip> #include <iostream> #include <list> #include <map> #include <math.h> #include <memory.h> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <string> #include <vector> using namespace std; // #define DEBUG #ifdef DEBUG #define deb(...) \ cerr << "Line:" << __LINE__ << " "; \ __f(#__VA_ARGS__, __VA_ARGS__) #define debarr(a, n) \ cerr << #a << " : "; \ for (int i = 0; i < n; i++) \ cerr << a[i] << " "; \ cerr << endl; #define debmat(mat, row, col) \ cerr << #mat << " :\n"; \ for (int i = 0; i < row; i++) { \ for (int j = 0; j < col; j++) \ cerr << mat[i][j] << " "; \ cerr << endl; \ } template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { cerr << name << " : " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); cerr.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } #else #define deb(...) \ {} #define debarr(a, n) \ {} #define debmat(mat, row, col) \ {} #define endl "\n" #endif #define fio \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) #define fr(i, a, b) for (int i = (a); i < (b); ++i) #define fb(i, b, a) for (int i = (b); i > (a); --i) #define rep(i, a, b) for (int i = (a); i <= (b); ++i) #define rr return #define int long long #define pb push_back #define sz(x) ((int)x.size()) int max(int a, int b) { if (a > b) return a; else return b; } int min(int a, int b) { if (a > b) return b; else return a; } const int mod = 1000 * 1000 * 1000 + 7; const int INF = 1e18 + 5; int powm(int a, int b) { int res = 1; while (b) { if (b & 1) res = (res * a) % mod; a = (a * a) % mod; b >>= 1; } return res; } const int N = 5e5 + 5; int n, W; int cache[3005][3005]; string a, b, output = ""; int dp(int x, int y) { if (x < 0 or y < 0) return 0; else if (cache[x][y] != -1) return cache[x][y]; else if (a[x] == b[y]) return 1 + dp(x - 1, y - 1); else { cache[x][y] = max(dp(x - 1, y), dp(x, y - 1)); return cache[x][y]; } } void path(int x, int y) { if (x < 0 or y < 0) return; int ans = dp(x, y); if (a[x] == b[y]) { output += a[x]; return path(x - 1, y - 1); } else { if (ans == dp(x - 1, y)) return path(x - 1, y); return path(x, y - 1); } } void solve() { cin >> a >> b; memset(cache, -1, sizeof(cache)); dp(sz(a) - 1, sz(b) - 1); path(sz(a) - 1, sz(b) - 1); reverse(output.begin(), output.end()); ; cout << output; } signed main() { fio; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); freopen("error.txt", "w", stderr); #endif cout << fixed << setprecision(10); int t = 1; // cin>>t; while (t--) { solve(); } return 0; }
// Target Expert /* * Author : raj1307 - Raj Singh * Institute : Jalpaiguri Government Engineering College * Date : 3.08.19 */ #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #define _CRT_SECURE_NO_WARNINGS #include <algorithm> #include <assert.h> #include <complex> #include <ctime> #include <fstream> #include <iomanip> #include <iostream> #include <list> #include <map> #include <math.h> #include <memory.h> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <string> #include <vector> using namespace std; // #define DEBUG #ifdef DEBUG #define deb(...) \ cerr << "Line:" << __LINE__ << " "; \ __f(#__VA_ARGS__, __VA_ARGS__) #define debarr(a, n) \ cerr << #a << " : "; \ for (int i = 0; i < n; i++) \ cerr << a[i] << " "; \ cerr << endl; #define debmat(mat, row, col) \ cerr << #mat << " :\n"; \ for (int i = 0; i < row; i++) { \ for (int j = 0; j < col; j++) \ cerr << mat[i][j] << " "; \ cerr << endl; \ } template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { cerr << name << " : " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); cerr.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } #else #define deb(...) \ {} #define debarr(a, n) \ {} #define debmat(mat, row, col) \ {} #define endl "\n" #endif #define fio \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) #define fr(i, a, b) for (int i = (a); i < (b); ++i) #define fb(i, b, a) for (int i = (b); i > (a); --i) #define rep(i, a, b) for (int i = (a); i <= (b); ++i) #define rr return #define int long long #define pb push_back #define sz(x) ((int)x.size()) int max(int a, int b) { if (a > b) return a; else return b; } int min(int a, int b) { if (a > b) return b; else return a; } const int mod = 1000 * 1000 * 1000 + 7; const int INF = 1e18 + 5; int powm(int a, int b) { int res = 1; while (b) { if (b & 1) res = (res * a) % mod; a = (a * a) % mod; b >>= 1; } return res; } const int N = 5e5 + 5; int n, W; int cache[3005][3005]; string a, b, output = ""; int dp(int x, int y) { if (x < 0 or y < 0) return 0; else if (cache[x][y] != -1) return cache[x][y]; else if (a[x] == b[y]) return 1 + dp(x - 1, y - 1); else { cache[x][y] = max(dp(x - 1, y), dp(x, y - 1)); return cache[x][y]; } } void path(int x, int y) { if (x < 0 or y < 0) return; int ans = dp(x, y); if (a[x] == b[y]) { output += a[x]; return path(x - 1, y - 1); } else { if (ans == dp(x - 1, y)) return path(x - 1, y); return path(x, y - 1); } } void solve() { cin >> a >> b; memset(cache, -1, sizeof(cache)); dp(sz(a) - 1, sz(b) - 1); path(sz(a) - 1, sz(b) - 1); reverse(output.begin(), output.end()); ; cout << output; } signed main() { fio; cout << fixed << setprecision(10); int t = 1; // cin>>t; while (t--) { solve(); } return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define all(x) (x).begin(), (x).end() const int mod = 1000000007; const ll INF = 1LL << 60; int main() { string S, T; cin >> S >> T; vector<vector<int>> dp(S.size() + 2, vector<int>(T.size() + 2, 0)); vector<vector<pair<int, int>>> par( S.size() + 2, vector<pair<int, int>>(T.size() + 2, make_pair(-1, -1))); for (int i = 1; i <= S.size(); i++) { for (int j = 1; j <= T.size(); j++) { if (S[i - 1] == T[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; par[i][j] = make_pair(i - 1, j - 1); } else { if (dp[i - 1][j] >= dp[i][j - 1]) { dp[i][j] = dp[i - 1][j]; par[i][j] = make_pair(i - 1, j); } else { dp[i][j] = dp[i][j - 1]; par[i][j] = make_pair(i, j - 1); } } } } int i = S.size(); int j = T.size(); string ans; while (i > 0 || j > 0) { if (dp[i][j] != dp[par[i][j].first][par[i][j].second]) ans += S[par[i][j].first]; int m = i, n = j; i = par[m][n].first; j = par[m][n].second; } reverse(all(ans)); cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define all(x) (x).begin(), (x).end() const int mod = 1000000007; const ll INF = 1LL << 60; int main() { string S, T; cin >> S >> T; vector<vector<int>> dp(S.size() + 2, vector<int>(T.size() + 2, 0)); vector<vector<pair<int, int>>> par( S.size() + 2, vector<pair<int, int>>(T.size() + 2, make_pair(-1, -1))); for (int i = 1; i <= S.size(); i++) { for (int j = 1; j <= T.size(); j++) { if (S[i - 1] == T[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; par[i][j] = make_pair(i - 1, j - 1); } else { if (dp[i - 1][j] >= dp[i][j - 1]) { dp[i][j] = dp[i - 1][j]; par[i][j] = make_pair(i - 1, j); } else { dp[i][j] = dp[i][j - 1]; par[i][j] = make_pair(i, j - 1); } } } } int i = S.size(); int j = T.size(); string ans; while (i && j) { if (dp[i][j] != dp[par[i][j].first][par[i][j].second]) ans += S[par[i][j].first]; int m = i, n = j; i = par[m][n].first; j = par[m][n].second; } reverse(all(ans)); cout << ans << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define all(x) (x).begin(), (x).end() typedef long long ll; #define rep(i, n) for (ll i = 0, i##_len = (n); i < i##_len; ++i) #define REP(i, num, n) for (ll i = num, i##_len = (n); i < i##_len; ++i) #define repprev(i, a, b) for (ll i = b - 1; i >= a; i--) #define reprev(i, n) repprev(i, 0, n) using namespace std; #define sz(x) ((int)(x).size()) #define ZERO(a) memset(a, 0, sizeof(a)) #define MINUS(a) memset(a, 0xff, sizeof(a)) #define MEMSET(v, h) memset((v), h, sizeof(v)) template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } template <class T> int former(const vector<T> &v, T x) { return upper_bound(v.begin(), v.end(), x) - v.begin() - 1; } template <class T> int latter(const vector<T> &v, T x) { return lower_bound(v.begin(), v.end(), x) - v.begin(); } #define pb push_back #define mp make_pair using P = pair<ll, ll>; using vl = vector<ll>; using vb = vector<bool>; using vs = vector<string>; using vd = vector<double>; using vc = vector<char>; using vp = vector<P>; #define V vector #define o_vvt(o1, o2, o3, o4, name, ...) name #define vvt0(t) V<V<t>> #define vvt1(t, a) V<V<t>> a #define vvt2(t, a, b) V<V<t>> a(b) #define vvt3(t, a, b, c) V<V<t>> a(b, V<t>(c)) #define vvt4(t, a, b, c, d) V<V<t>> a(b, V<t>(c, d)) #define vvl(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(ll, __VA_ARGS__) #define vvb(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(bool, __VA_ARGS__) #define vvs(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(string, __VA_ARGS__) #define vvd(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(double, __VA_ARGS__) #define vvc(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(char, __VA_ARGS__) #define vvp(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(P, __VA_ARGS__) template <typename T> vector<T> make_v(size_t a) { return vector<T>(a); } template <typename T, typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...)); } #define vni(name, ...) auto name = make_v<ll>(__VA_ARGS__) #define vnb(name, ...) auto name = make_v<bool>(__VA_ARGS__) #define vns(name, ...) auto name = make_v<string>(__VA_ARGS__) #define vnd(name, ...) auto name = make_v<double>(__VA_ARGS__) #define vnc(name, ...) auto name = make_v<char>(__VA_ARGS__) #define vnp(name, ...) auto name = make_v<P>(__VA_ARGS__) ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } const ll LLINF = 1LL << 60; const int INTINF = 1 << 30; const int MAX = 510000; const int MOD = 1000000007; long long fac[MAX], finv[MAX], inv[MAX]; // テーブルを作る前処理 void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(int n, int k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } struct UnionFind { vector<ll> par; // par[i]:iの親の番号 (例) par[3] = 2 : 3の親が2 UnionFind(ll n) : par(n, -1) {} void init(ll n) { par.assign(n, -1); } ll root(ll x) { if (par[x] < 0) return x; else return par[x] = root(par[x]); } bool issame(ll x, ll y) { return root(x) == root(y); } bool merge(ll x, ll y) { x = root(x); y = root(y); if (x == y) return false; if (par[x] > par[y]) swap(x, y); // merge technique par[x] += par[y]; par[y] = x; return true; } ll size(ll x) { return -par[root(x)]; } }; template <typename T> vector<T> dijkstra(int s, vector<vector<pair<int, T>>> &G) { const T INF = numeric_limits<T>::max(); using P = pair<T, int>; int n = G.size(); vector<T> d(n, INF); vector<int> b(n, -1); priority_queue<P, vector<P>, greater<P>> q; d[s] = 0; q.emplace(d[s], s); while (!q.empty()) { P p = q.top(); q.pop(); int v = p.second; if (d[v] < p.first) continue; for (auto &e : G[v]) { int u = e.first; T c = e.second; if (d[u] > d[v] + c) { d[u] = d[v] + c; b[u] = v; q.emplace(d[u], u); } } } return d; } int64_t power(int64_t x, int64_t n, int64_t mod) { int64_t ret = 1; while (n > 0) { if (n & 1) (ret *= x) %= mod; (x *= x) %= mod; n >>= 1; } return ret; } vector<int> sieve_of_eratosthenes(int n) { vector<int> primes(n); for (int i = 2; i < n; ++i) primes[i] = i; for (int i = 2; i * i < n; ++i) if (primes[i]) for (int j = i * i; j < n; j += i) primes[j] = 0; return primes; } struct Dice { int s[6]; int &top() { return s[0]; } int &south() { return s[1]; } int &east() { return s[2]; } int &west() { return s[3]; } int &north() { return s[4]; } int &bottom() { return s[5]; } void roll(char c) { // the view from above // N // W E // S string b("EWNSRL"); int v[6][4] = {{0, 3, 5, 2}, {0, 2, 5, 3}, {0, 1, 5, 4}, {0, 4, 5, 1}, {1, 2, 4, 3}, {1, 3, 4, 2}}; for (int k = 0; k < 6; k++) { if (b[k] != c) continue; int t = s[v[k][0]]; s[v[k][0]] = s[v[k][1]]; s[v[k][1]] = s[v[k][2]]; s[v[k][2]] = s[v[k][3]]; s[v[k][3]] = t; } } using ll = long long; ll hash() { ll res = 0; for (int i = 0; i < 6; i++) res = res * 256 + s[i]; return res; } bool operator==(const Dice &d) const { for (int i = 0; i < 6; i++) if (s[i] != d.s[i]) return 0; return 1; } }; vector<Dice> makeDices(Dice d) { vector<Dice> res; for (int i = 0; i < 6; i++) { Dice t(d); if (i == 1) t.roll('N'); if (i == 2) t.roll('S'); if (i == 3) t.roll('S'), t.roll('S'); if (i == 4) t.roll('L'); if (i == 5) t.roll('R'); for (int k = 0; k < 4; k++) { res.push_back(t); t.roll('E'); } } return res; } std::vector<ll> divisor(ll n) // nの約数を列挙 { std::vector<ll> ret; for (ll i = 1; i * i <= n; ++i) { if (n % i == 0) { ret.push_back(i); if (i != 1 && i * i != n) { ret.push_back(n / i); } } } return ret; } // 多次元 vector 生成 template <class T> vector<T> make_vec(size_t a) { return vector<T>(a); } template <class T, class... Ts> auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } using Graph = vector<vector<int>>; // 深さ優先探索 vector<bool> seen; void gdfs(const Graph &G, int v) { seen[v] = true; // v を訪問済にする // v から行ける各頂点 next_v について for (auto next_v : G[v]) { if (seen[next_v]) continue; // next_v が探索済だったらスルー gdfs(G, next_v); // 再帰的に探索 } } const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1}; const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1}; int main(void) { cin.tie(0); ios::sync_with_stdio(false); string s, t; cin >> s >> t; vvl(dp, s.size(), t.size()); rep(i, s.size()) { rep(j, t.size()) { if (s[i] == t[j]) chmax(dp[i + 1][j + 1], dp[i][j] + 1); chmax(dp[i + 1][j + 1], dp[i][j + 1]); chmax(dp[i + 1][j + 1], dp[i + 1][j]); } } string ans = ""; ll i = s.size(); ll j = t.size(); while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) --i; else if (dp[i][j] == dp[i][j - 1]) --j; else { ans = s[i - 1] + ans; --i, --j; } } cout << ans << endl; }
#include <bits/stdc++.h> #define all(x) (x).begin(), (x).end() typedef long long ll; #define rep(i, n) for (ll i = 0, i##_len = (n); i < i##_len; ++i) #define REP(i, num, n) for (ll i = num, i##_len = (n); i < i##_len; ++i) #define repprev(i, a, b) for (ll i = b - 1; i >= a; i--) #define reprev(i, n) repprev(i, 0, n) using namespace std; #define sz(x) ((int)(x).size()) #define ZERO(a) memset(a, 0, sizeof(a)) #define MINUS(a) memset(a, 0xff, sizeof(a)) #define MEMSET(v, h) memset((v), h, sizeof(v)) template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } template <class T> int former(const vector<T> &v, T x) { return upper_bound(v.begin(), v.end(), x) - v.begin() - 1; } template <class T> int latter(const vector<T> &v, T x) { return lower_bound(v.begin(), v.end(), x) - v.begin(); } #define pb push_back #define mp make_pair using P = pair<ll, ll>; using vl = vector<ll>; using vb = vector<bool>; using vs = vector<string>; using vd = vector<double>; using vc = vector<char>; using vp = vector<P>; #define V vector #define o_vvt(o1, o2, o3, o4, name, ...) name #define vvt0(t) V<V<t>> #define vvt1(t, a) V<V<t>> a #define vvt2(t, a, b) V<V<t>> a(b) #define vvt3(t, a, b, c) V<V<t>> a(b, V<t>(c)) #define vvt4(t, a, b, c, d) V<V<t>> a(b, V<t>(c, d)) #define vvl(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(ll, __VA_ARGS__) #define vvb(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(bool, __VA_ARGS__) #define vvs(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(string, __VA_ARGS__) #define vvd(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(double, __VA_ARGS__) #define vvc(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(char, __VA_ARGS__) #define vvp(...) \ o_vvt(__VA_ARGS__, vvt4, vvt3, vvt2, vvt1, vvt0)(P, __VA_ARGS__) template <typename T> vector<T> make_v(size_t a) { return vector<T>(a); } template <typename T, typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...)); } #define vni(name, ...) auto name = make_v<ll>(__VA_ARGS__) #define vnb(name, ...) auto name = make_v<bool>(__VA_ARGS__) #define vns(name, ...) auto name = make_v<string>(__VA_ARGS__) #define vnd(name, ...) auto name = make_v<double>(__VA_ARGS__) #define vnc(name, ...) auto name = make_v<char>(__VA_ARGS__) #define vnp(name, ...) auto name = make_v<P>(__VA_ARGS__) ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } const ll LLINF = 1LL << 60; const int INTINF = 1 << 30; const int MAX = 510000; const int MOD = 1000000007; long long fac[MAX], finv[MAX], inv[MAX]; // テーブルを作る前処理 void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(int n, int k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } struct UnionFind { vector<ll> par; // par[i]:iの親の番号 (例) par[3] = 2 : 3の親が2 UnionFind(ll n) : par(n, -1) {} void init(ll n) { par.assign(n, -1); } ll root(ll x) { if (par[x] < 0) return x; else return par[x] = root(par[x]); } bool issame(ll x, ll y) { return root(x) == root(y); } bool merge(ll x, ll y) { x = root(x); y = root(y); if (x == y) return false; if (par[x] > par[y]) swap(x, y); // merge technique par[x] += par[y]; par[y] = x; return true; } ll size(ll x) { return -par[root(x)]; } }; template <typename T> vector<T> dijkstra(int s, vector<vector<pair<int, T>>> &G) { const T INF = numeric_limits<T>::max(); using P = pair<T, int>; int n = G.size(); vector<T> d(n, INF); vector<int> b(n, -1); priority_queue<P, vector<P>, greater<P>> q; d[s] = 0; q.emplace(d[s], s); while (!q.empty()) { P p = q.top(); q.pop(); int v = p.second; if (d[v] < p.first) continue; for (auto &e : G[v]) { int u = e.first; T c = e.second; if (d[u] > d[v] + c) { d[u] = d[v] + c; b[u] = v; q.emplace(d[u], u); } } } return d; } int64_t power(int64_t x, int64_t n, int64_t mod) { int64_t ret = 1; while (n > 0) { if (n & 1) (ret *= x) %= mod; (x *= x) %= mod; n >>= 1; } return ret; } vector<int> sieve_of_eratosthenes(int n) { vector<int> primes(n); for (int i = 2; i < n; ++i) primes[i] = i; for (int i = 2; i * i < n; ++i) if (primes[i]) for (int j = i * i; j < n; j += i) primes[j] = 0; return primes; } struct Dice { int s[6]; int &top() { return s[0]; } int &south() { return s[1]; } int &east() { return s[2]; } int &west() { return s[3]; } int &north() { return s[4]; } int &bottom() { return s[5]; } void roll(char c) { // the view from above // N // W E // S string b("EWNSRL"); int v[6][4] = {{0, 3, 5, 2}, {0, 2, 5, 3}, {0, 1, 5, 4}, {0, 4, 5, 1}, {1, 2, 4, 3}, {1, 3, 4, 2}}; for (int k = 0; k < 6; k++) { if (b[k] != c) continue; int t = s[v[k][0]]; s[v[k][0]] = s[v[k][1]]; s[v[k][1]] = s[v[k][2]]; s[v[k][2]] = s[v[k][3]]; s[v[k][3]] = t; } } using ll = long long; ll hash() { ll res = 0; for (int i = 0; i < 6; i++) res = res * 256 + s[i]; return res; } bool operator==(const Dice &d) const { for (int i = 0; i < 6; i++) if (s[i] != d.s[i]) return 0; return 1; } }; vector<Dice> makeDices(Dice d) { vector<Dice> res; for (int i = 0; i < 6; i++) { Dice t(d); if (i == 1) t.roll('N'); if (i == 2) t.roll('S'); if (i == 3) t.roll('S'), t.roll('S'); if (i == 4) t.roll('L'); if (i == 5) t.roll('R'); for (int k = 0; k < 4; k++) { res.push_back(t); t.roll('E'); } } return res; } std::vector<ll> divisor(ll n) // nの約数を列挙 { std::vector<ll> ret; for (ll i = 1; i * i <= n; ++i) { if (n % i == 0) { ret.push_back(i); if (i != 1 && i * i != n) { ret.push_back(n / i); } } } return ret; } // 多次元 vector 生成 template <class T> vector<T> make_vec(size_t a) { return vector<T>(a); } template <class T, class... Ts> auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } using Graph = vector<vector<int>>; // 深さ優先探索 vector<bool> seen; void gdfs(const Graph &G, int v) { seen[v] = true; // v を訪問済にする // v から行ける各頂点 next_v について for (auto next_v : G[v]) { if (seen[next_v]) continue; // next_v が探索済だったらスルー gdfs(G, next_v); // 再帰的に探索 } } const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1}; const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1}; int main(void) { cin.tie(0); ios::sync_with_stdio(false); string s, t; cin >> s >> t; vvl(dp, s.size() + 1, t.size() + 1); rep(i, s.size()) { rep(j, t.size()) { if (s[i] == t[j]) chmax(dp[i + 1][j + 1], dp[i][j] + 1); chmax(dp[i + 1][j + 1], dp[i][j + 1]); chmax(dp[i + 1][j + 1], dp[i + 1][j]); } } string ans = ""; ll i = s.size(); ll j = t.size(); while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) --i; else if (dp[i][j] == dp[i][j - 1]) --j; else { ans = s[i - 1] + ans; --i, --j; } } cout << ans << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int dp[2001][2001]; int main() { string s, t; cin >> s; cin >> t; int lens = s.length(); int lent = t.length(); // dp[i][j] is len lcs of 0-i-1 and 0-j-1 // dp[i][j] = if(s[i-1]==t[j-1]) 1 + dp[i-1][j-1] // dp[i][j] = max(dp[i-1][j],dp[i][j-1]) // int dp[lens+1][lent+1] = {0}; dp[0][0] = 0; for (int i = 1; i <= lens; i++) { for (int j = 1; j <= lent; j++) { if (s[i - 1] == t[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } // printf("dp[%d][%d] = %d\n",i,j,dp[i][j]); } } int i = lens; int j = lent; string ans = ""; while (i >= 1 && j >= 1) { if (s[i - 1] == t[j - 1]) { i--; j--; ans += s[i]; } else { if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } } reverse(ans.begin(), ans.end()); // cout<<dp[lens][lent]<<endl; cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int dp[3001][3001]; int main() { string s, t; cin >> s; cin >> t; int lens = s.length(); int lent = t.length(); // dp[i][j] is len lcs of 0-i-1 and 0-j-1 // dp[i][j] = if(s[i-1]==t[j-1]) 1 + dp[i-1][j-1] // dp[i][j] = max(dp[i-1][j],dp[i][j-1]) // int dp[lens+1][lent+1] = {0}; dp[0][0] = 0; for (int i = 1; i <= lens; i++) { for (int j = 1; j <= lent; j++) { if (s[i - 1] == t[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } // printf("dp[%d][%d] = %d\n",i,j,dp[i][j]); } } int i = lens; int j = lent; string ans = ""; while (i >= 1 && j >= 1) { if (s[i - 1] == t[j - 1]) { i--; j--; ans += s[i]; } else { if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } } reverse(ans.begin(), ans.end()); // cout<<dp[lens][lent]<<endl; cout << ans << endl; }
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p03165
C++
Runtime Error
/// Bismillahir Rahmanir Rahim #include <bits/stdc++.h> using namespace std; using namespace __gnu_cxx; #define FASTIO \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0) #define IN freopen("input.txt", "r+", stdin) #define OUT freopen("output.txt", "w+", stdout) #define DBG cout << "Hi there" << endl; #define all(x) (x).begin(), (x).end() #define fap(x) cout << " -- " << #x << ": " << (x) << "\n" #define CHECK_BIT(var, pos) ((var) & (1 << (pos))) typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<pair<int, int>> vpii; const ll MAX = 998244353; const ll MAX2 = 1271309838631957LL; long double PI = acosl(-1); const ll INF = 1e15; const int NMAX = 1e5 + 5; const int MAXLG = log2(NMAX) + 1; const int oo = 1e5 + 10; const int sz = 100005; const int MOD = 10000019; const double EPS = 1e-9; /// code starts from here void solve() { string a, b; cin >> a >> b; int n = a.size(); int m = b.size(); vector<vector<int>> dp(n + 1, vector<int>(m + 1, 0)); for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (i == 0 || j == 0) dp[i][j] = 0; else if (a[i - 1] == b[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } stack<char> s; int i = n, j = m; while (i > 0 && j > 0) { if (a[i - 1] == b[j - 1]) { i--; j--; s.push(a[i]); } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } while (!s.empty()) { cout << s.top(); s.pop(); } cout << endl; } int main() { #ifndef ONLINE_JUDGE IN; #endif FASTIO; int tc = 1; // cin >> tc; while (tc--) { solve(); } }
/// Bismillahir Rahmanir Rahim #include <bits/stdc++.h> using namespace std; using namespace __gnu_cxx; #define FASTIO \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0) #define IN freopen("input.txt", "r+", stdin) #define OUT freopen("output.txt", "w+", stdout) #define DBG cout << "Hi there" << endl; #define all(x) (x).begin(), (x).end() #define fap(x) cout << " -- " << #x << ": " << (x) << "\n" #define CHECK_BIT(var, pos) ((var) & (1 << (pos))) typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<pair<int, int>> vpii; const ll MAX = 998244353; const ll MAX2 = 1271309838631957LL; long double PI = acosl(-1); const ll INF = 1e15; const int NMAX = 1e5 + 5; const int MAXLG = log2(NMAX) + 1; const int oo = 1e5 + 10; const int sz = 100005; const int MOD = 10000019; const double EPS = 1e-9; /// code starts from here void solve() { string a, b; cin >> a >> b; int n = a.size(); int m = b.size(); vector<vector<int>> dp(n + 1, vector<int>(m + 1, 0)); for (int i = 0; i <= n; i++) { for (int j = 0; j <= m; j++) { if (i == 0 || j == 0) dp[i][j] = 0; else if (a[i - 1] == b[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } stack<char> s; int i = n, j = m; while (i > 0 && j > 0) { if (a[i - 1] == b[j - 1]) { i--; j--; s.push(a[i]); } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } while (!s.empty()) { cout << s.top(); s.pop(); } cout << endl; } int main() { // #ifndef ONLINE_JUDGE // IN; // #endif FASTIO; int tc = 1; // cin >> tc; while (tc--) { solve(); } }
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C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int N = 1e3; string s, t; int dp[N + 1][N + 1]; int f(unsigned int i, unsigned int j) { if (i == s.size() || j == t.size()) return 0; if (dp[i][j] != -1) return dp[i][j]; if (s[i] == t[j]) return dp[i][j] = f(i + 1, j + 1) + 1; return dp[i][j] = max(f(i + 1, j), f(i, j + 1)); } void p(unsigned int i, unsigned int j) { if (i == s.size() || j == t.size()) return; if (s[i] == t[j]) { cout << s[i]; p(i + 1, j + 1); return; } if (i == s.size() - 1) return p(i, j + 1); if (j == t.size() - 1) return p(i + 1, j); if (dp[i + 1][j] > dp[i][j + 1]) return p(i + 1, j); return p(i, j + 1); } int main() { cin >> s >> t; memset(dp, -1, sizeof dp); f(0, 0); p(0, 0); return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 3 * 1e3; string s, t; int dp[N + 1][N + 1]; int f(unsigned int i, unsigned int j) { if (i == s.size() || j == t.size()) return 0; if (dp[i][j] != -1) return dp[i][j]; if (s[i] == t[j]) return dp[i][j] = f(i + 1, j + 1) + 1; return dp[i][j] = max(f(i + 1, j), f(i, j + 1)); } void p(unsigned int i, unsigned int j) { if (i == s.size() || j == t.size()) return; if (s[i] == t[j]) { cout << s[i]; p(i + 1, j + 1); return; } if (i == s.size() - 1) return p(i, j + 1); if (j == t.size() - 1) return p(i + 1, j); if (dp[i + 1][j] > dp[i][j + 1]) return p(i + 1, j); return p(i, j + 1); } int main() { cin >> s >> t; memset(dp, -1, sizeof dp); f(0, 0); p(0, 0); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; using VI = vector<int>; using VVI = vector<VI>; using PII = pair<int, int>; using LL = long long; using VL = vector<LL>; using VVL = vector<VL>; using PLL = pair<LL, LL>; using VS = vector<string>; #define ALL(a) begin((a)), end((a)) #define RALL(a) (a).rbegin(), (a).rend() #define PB push_back #define EB emplace_back #define MP make_pair #define MT make_tuple #define SZ(a) int((a).size()) #define SORT(c) sort(ALL((c))) #define RSORT(c) sort(RALL((c))) #define UNIQ(c) (c).erase(unique(ALL((c))), end((c))) #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define REP(i, n) FOR(i, 0, n) #define FF first #define SS second template <class S, class T> istream &operator>>(istream &is, pair<S, T> &p) { return is >> p.FF >> p.SS; } template <class T> istream &operator>>(istream &is, vector<T> &xs) { for (auto &x : xs) is >> x; return is; } template <class S, class T> ostream &operator<<(ostream &os, const pair<S, T> &p) { return os << p.FF << " " << p.SS; } template <class T> ostream &operator<<(ostream &os, const vector<T> &xs) { for (unsigned int i = 0; i < xs.size(); ++i) os << (i ? " " : "") << xs[i]; return os; } template <class T> void maxi(T &x, T y) { if (x < y) x = y; } template <class T> void mini(T &x, T y) { if (x > y) x = y; } void debug(istringstream &) {} template <char sep = ',', class Head, class... Tail> void debug(istringstream &iss, Head &&head, Tail &&...tail) { string name; getline(iss, name, ','); cerr << sep << name << "=" << head; debug(iss, forward<Tail>(tail)...); } #define DEBUG(...) \ do { \ istringstream ss(#__VA_ARGS__); \ debug<' '>(ss, __VA_ARGS__); \ cerr << endl; \ } while (0) const double EPS = 1e-10; const double PI = acos(-1.0); const LL MOD = 1e9 + 7; int dp[3010][3010]; int prv[3010][3010]; int main() { cin.tie(0); ios_base::sync_with_stdio(false); string S, T; cin >> S >> T; int N = SZ(S); int M = SZ(T); REP(i, N) REP(j, M) { if (S[i] == T[j]) { if (dp[i + 1][j + 1] < dp[i][j] + 1) { dp[i + 1][j + 1] = dp[i][j] + 1; prv[i + 1][j + 1] = 2; } } if (dp[i + 1][j] < dp[i][j]) { dp[i + 1][j] = dp[i][j]; prv[i + 1][j] = 0; } if (dp[i][j + 1] < dp[i][j]) { dp[i][j + 1] = dp[i][j]; prv[i][j + 1] = 1; } } int ii = 0, jj = 0; REP(i, N + 1) REP(j, M + 1) if (dp[ii][jj] < dp[i][j]) ii = i, jj = j; // cout << dp[ii][jj] << endl; string ans; while (ii + jj) { int p = prv[ii][jj]; if (p == 2) { --ii; --jj; ans += S[ii]; } else if (p == 1) { --jj; } else { --ii; } } reverse(ALL(ans)); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using VI = vector<int>; using VVI = vector<VI>; using PII = pair<int, int>; using LL = long long; using VL = vector<LL>; using VVL = vector<VL>; using PLL = pair<LL, LL>; using VS = vector<string>; #define ALL(a) begin((a)), end((a)) #define RALL(a) (a).rbegin(), (a).rend() #define PB push_back #define EB emplace_back #define MP make_pair #define MT make_tuple #define SZ(a) int((a).size()) #define SORT(c) sort(ALL((c))) #define RSORT(c) sort(RALL((c))) #define UNIQ(c) (c).erase(unique(ALL((c))), end((c))) #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define REP(i, n) FOR(i, 0, n) #define FF first #define SS second template <class S, class T> istream &operator>>(istream &is, pair<S, T> &p) { return is >> p.FF >> p.SS; } template <class T> istream &operator>>(istream &is, vector<T> &xs) { for (auto &x : xs) is >> x; return is; } template <class S, class T> ostream &operator<<(ostream &os, const pair<S, T> &p) { return os << p.FF << " " << p.SS; } template <class T> ostream &operator<<(ostream &os, const vector<T> &xs) { for (unsigned int i = 0; i < xs.size(); ++i) os << (i ? " " : "") << xs[i]; return os; } template <class T> void maxi(T &x, T y) { if (x < y) x = y; } template <class T> void mini(T &x, T y) { if (x > y) x = y; } void debug(istringstream &) {} template <char sep = ',', class Head, class... Tail> void debug(istringstream &iss, Head &&head, Tail &&...tail) { string name; getline(iss, name, ','); cerr << sep << name << "=" << head; debug(iss, forward<Tail>(tail)...); } #define DEBUG(...) \ do { \ istringstream ss(#__VA_ARGS__); \ debug<' '>(ss, __VA_ARGS__); \ cerr << endl; \ } while (0) const double EPS = 1e-10; const double PI = acos(-1.0); const LL MOD = 1e9 + 7; int dp[3010][3010]; int prv[3010][3010]; int main() { cin.tie(0); ios_base::sync_with_stdio(false); string S, T; cin >> S >> T; int N = SZ(S); int M = SZ(T); REP(i, N) REP(j, M) { if (S[i] == T[j]) { if (dp[i + 1][j + 1] < dp[i][j] + 1) { dp[i + 1][j + 1] = dp[i][j] + 1; prv[i + 1][j + 1] = 2; } } if (dp[i + 1][j] < dp[i][j]) { dp[i + 1][j] = dp[i][j]; prv[i + 1][j] = 0; } if (dp[i][j + 1] < dp[i][j]) { dp[i][j + 1] = dp[i][j]; prv[i][j + 1] = 1; } } int ii = 0, jj = 0; REP(i, N + 1) REP(j, M + 1) if (dp[ii][jj] < dp[i][j]) ii = i, jj = j; // cout << dp[ii][jj] << endl; string ans; while (ii && jj) { int p = prv[ii][jj]; if (p == 2) { --ii; --jj; ans += S[ii]; } else if (p == 1) { --jj; } else { --ii; } } reverse(ALL(ans)); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define MAXN 3010 #define pii pair<int, int> #define pb push_back typedef long long ll; using namespace std; int n, m, dp[MAXN][MAXN]; int b[MAXN][MAXN]; string s, t; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> s >> t; n = s.size(); m = t.size(); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i - 1] == t[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; b[i][j] = 2; continue; } if (dp[i - 1][j] < dp[i][j - 1]) { dp[i][j] = dp[i][j - 1]; b[i][j] = 1; } else { dp[i][j] = dp[i - 1][j]; b[i][j] = 0; } } } vector<char> v; // cout << dp[n][m]; int i = n, j = m; while (i > 0 or j > 0) { if (b[i][j] == 2) { v.pb(s[i - 1]); i--; j--; } if (b[i][j] == 1) j--; if (b[i][j] == 0) i--; } reverse(v.begin(), v.end()); for (auto i : v) cout << i; }
#include <bits/stdc++.h> #define MAXN 3010 #define pii pair<int, int> #define pb push_back typedef long long ll; using namespace std; int n, m, dp[MAXN][MAXN]; int b[MAXN][MAXN]; string s, t; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> s >> t; n = s.size(); m = t.size(); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i - 1] == t[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; b[i][j] = 2; continue; } if (dp[i - 1][j] < dp[i][j - 1]) { dp[i][j] = dp[i][j - 1]; b[i][j] = 1; } else { dp[i][j] = dp[i - 1][j]; b[i][j] = 0; } } } vector<char> v; // cout << dp[n][m]; int i = n, j = m; while (i > 0 and j > 0) { if (b[i][j] == 2) { v.pb(s[i - 1]); i--; j--; } if (b[i][j] == 1) j--; if (b[i][j] == 0) i--; } reverse(v.begin(), v.end()); for (auto i : v) cout << i; }
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p03165
C++
Memory Limit Exceeded
#include <algorithm> #include <cmath> #include <deque> #include <fstream> #include <iostream> #include <map> #include <numeric> #include <queue> #include <string> #include <unistd.h> #include <vector> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<vi> vvi; typedef vector<vvi> vvvi; typedef vector<bool> vb; typedef vector<vector<bool>> vvb; typedef vector<string> vs; typedef vector<vector<string>> vvs; typedef vector<char> vc; typedef vector<vector<char>> vvc; typedef pair<int, int> P; typedef pair<ll, ll> PL; typedef vector<P> vp; typedef vector<PL> vpl; typedef vector<vector<P>> vvp; const int INF = 1001001001; const ll LINF = 1e18; const string endstr = "\n"; #define FOR(i, a, b) for (ll i = (a); i < b; i++) #define REP(i, n) for (ll i = 0; i < n; i++) #define FORMAP(it, m) for (auto it = m.begin(); it != m.end(); it++) template <typename T> T gcd(T a, T b) { return (a == 0) ? b : gcd(b % a, a); } template <typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; } bool p_comp_fs(const P p1, const P p2) { return p1.first < p2.first; }; bool p_comp_fg(const P p1, const P p2) { return p1.first > p2.first; }; bool p_comp_ss(const P p1, const P p2) { return p1.second < p2.second; }; bool p_comp_sg(const P p1, const P p2) { return p1.second > p2.second; }; template <typename T> vector<T> uniquen(vector<T> vec) { vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; } string bigger(string s1, string s2) { if (s1.size() > s2.size()) return s1; else return s2; } int main() { string s, t; cin >> s >> t; vvs dp(s.size() + 10, vs(t.size() + 10, "")); REP(i, s.size()) { REP(j, t.size()) { if (s[i] == t[j]) dp[i + 1][j + 1] = bigger(dp[i][j] + s[i], dp[i + 1][j + 1]); dp[i + 1][j + 1] = bigger(dp[i + 1][j + 1], dp[i + 1][j]); dp[i + 1][j + 1] = bigger(dp[i + 1][j + 1], dp[i][j + 1]); } } cout << dp[s.size()][t.size()] << endstr; return 0; }
#include <algorithm> #include <cmath> #include <deque> #include <fstream> #include <iostream> #include <map> #include <numeric> #include <queue> #include <string> #include <unistd.h> #include <vector> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<vi> vvi; typedef vector<vvi> vvvi; typedef vector<bool> vb; typedef vector<vector<bool>> vvb; typedef vector<string> vs; typedef vector<vector<string>> vvs; typedef vector<char> vc; typedef vector<vector<char>> vvc; typedef pair<int, int> P; typedef pair<ll, ll> PL; typedef vector<P> vp; typedef vector<PL> vpl; typedef vector<vector<P>> vvp; const int INF = 1001001001; const ll LINF = 1e18; const string endstr = "\n"; #define FOR(i, a, b) for (ll i = (a); i < b; i++) #define REP(i, n) for (ll i = 0; i < n; i++) #define FORMAP(it, m) for (auto it = m.begin(); it != m.end(); it++) template <typename T> T gcd(T a, T b) { return (a == 0) ? b : gcd(b % a, a); } template <typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; } bool p_comp_fs(const P p1, const P p2) { return p1.first < p2.first; }; bool p_comp_fg(const P p1, const P p2) { return p1.first > p2.first; }; bool p_comp_ss(const P p1, const P p2) { return p1.second < p2.second; }; bool p_comp_sg(const P p1, const P p2) { return p1.second > p2.second; }; template <typename T> vector<T> uniquen(vector<T> vec) { vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; } string bigger(string s1, string s2) { if (s1.size() > s2.size()) return s1; else return s2; } int main() { string s, t; cin >> s >> t; vvs dp(s.size() + 10, vs(t.size() + 10, "")); REP(i, s.size()) { REP(j, t.size()) { if (s[i] == t[j]) dp[i + 1][j + 1] = bigger(dp[i][j] + s[i], dp[i + 1][j + 1]); dp[i + 1][j + 1] = bigger(dp[i + 1][j + 1], dp[i + 1][j]); dp[i + 1][j + 1] = bigger(dp[i + 1][j + 1], dp[i][j + 1]); } if (i >= 3) vs().swap(dp[i - 2]); } cout << dp[s.size()][t.size()] << endstr; return 0; }
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p03165
C++
Runtime Error
//============================================================================ // Name : f // Date : Wed Feb 20 10:59:11 CST 2019 // Author : landcold7 // Description : Actions speak louder more than words //============================================================================ #include "bits/stdc++.h" using namespace std; #define pb push_back #define sz(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() #define mst(x, y) memset(x, y, sizeof(x)) #define pvar(x) cout << #x << ": " #define fora(e, c) for (auto &e : c) #define fori(i, a, b) for (int i = a; i < b; ++i) #define ford(i, a, b) for (int i = a; i > b; --i) #define output(v) cout << (v) << '\n' #define prt(x, a, n) \ { \ cout << x[a]; \ if (a < n - 1) \ cout << " "; \ } #define pvi(x, v) \ if (v) \ pvar(x); \ fora(a, x) cout << a << " "; \ cout << "\n" #define par(x, s, n, v) \ if (v) \ pvar(x); \ fori(y, s, n) prt(x, y, n) cout << "\n" #ifndef __has_trace #define trace(...) #endif typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef vector<pii> vpii; template <class T> void amax(T &a, T b) { a = max(a, b); } const int inf = (int)1e9 + 7; void solve() { string ss, tt; cin >> ss >> tt; int a = sz(ss), b = sz(tt); using pip = pair<int, pii>; vector<vector<pip>> dp(a + 1, vector<pip>(b + 1, {-inf, {0, 0}})); dp[0][0] = {0, {0, 0}}; fori(i, 0, a) { fori(j, 0, b) { amax(dp[i + 1][j + 1], {dp[i][j].first + (ss[i] == tt[j] ? 1 : 0), {i, j}}); amax(dp[i + 1][j], {dp[i][j].first, {i, j}}); amax(dp[i][j + 1], {dp[i][j].first, {i, j}}); } } pip mx = {0, {0, 0}}; fori(i, 0, a + 1) { fori(j, 0, b + 1) { amax(mx, {dp[i][j].first, {i, j}}); } } trace(dp, mx); pii cur = mx.second; string ret; while (mx.first && !(cur.first == 0 || cur.second == 0)) { int i = cur.first, j = cur.second; pii pre = dp[i][j].second; if (pre == pii(i - 1, j - 1)) { assert(ss[i - 1] == tt[j - 1]); ret = ss[i - 1] + ret; } cur = pre; } output(ret); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); solve(); return 0; }
//============================================================================ // Name : f // Date : Wed Feb 20 10:59:11 CST 2019 // Author : landcold7 // Description : Actions speak louder more than words //============================================================================ #include "bits/stdc++.h" using namespace std; #define pb push_back #define sz(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() #define mst(x, y) memset(x, y, sizeof(x)) #define pvar(x) cout << #x << ": " #define fora(e, c) for (auto &e : c) #define fori(i, a, b) for (int i = a; i < b; ++i) #define ford(i, a, b) for (int i = a; i > b; --i) #define output(v) cout << (v) << '\n' #define prt(x, a, n) \ { \ cout << x[a]; \ if (a < n - 1) \ cout << " "; \ } #define pvi(x, v) \ if (v) \ pvar(x); \ fora(a, x) cout << a << " "; \ cout << "\n" #define par(x, s, n, v) \ if (v) \ pvar(x); \ fori(y, s, n) prt(x, y, n) cout << "\n" #ifndef __has_trace #define trace(...) #endif typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef vector<pii> vpii; template <class T> void amax(T &a, T b) { a = max(a, b); } const int inf = (int)1e9 + 7; void solve() { string ss, tt; cin >> ss >> tt; int a = sz(ss), b = sz(tt); using pip = pair<int, pii>; vector<vector<pip>> dp(a + 1, vector<pip>(b + 1, {-inf, {0, 0}})); dp[0][0] = {0, {0, 0}}; fori(i, 0, a) { fori(j, 0, b) { if (ss[i] == tt[j]) { amax(dp[i + 1][j + 1], {dp[i][j].first + 1, {i, j}}); } amax(dp[i + 1][j], {dp[i][j].first, {i, j}}); amax(dp[i][j + 1], {dp[i][j].first, {i, j}}); } } pip mx = {0, {0, 0}}; fori(i, 0, a + 1) { fori(j, 0, b + 1) { amax(mx, {dp[i][j].first, {i, j}}); } } trace(dp, mx); pii cur = mx.second; string ret; while (mx.first && !(cur.first == 0 || cur.second == 0)) { int i = cur.first, j = cur.second; pii pre = dp[i][j].second; if (pre == pii(i - 1, j - 1)) { assert(ss[i - 1] == tt[j - 1]); ret = ss[i - 1] + ret; } cur = pre; } output(ret); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); solve(); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) using ll = long long int; using namespace std; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } ll mod = 1e9 + 7; int main() { int dp[100][100] = {}; string s, t; cin >> s >> t; rep(a, s.size()) { rep(b, t.size()) { if (s[a] == t[b]) { dp[a + 1][b + 1] = dp[a][b] + 1; } chmax(dp[a + 1][b + 1], dp[a + 1][b]); chmax(dp[a + 1][b + 1], dp[a][b + 1]); } } string ans = ""; int a = (int)s.size(), b = (int)t.size(); while (a > 0 && b > 0) { if (dp[a][b] == dp[a - 1][b]) { a--; } else if (dp[a][b] == dp[a][b - 1]) { b--; } else { ans = s[a - 1] + ans; a--, b--; } } cout << ans << endl; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) using ll = long long int; using namespace std; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } ll mod = 1e9 + 7; int main() { int dp[3010][3010] = {}; string s, t; cin >> s >> t; rep(a, s.size()) { rep(b, t.size()) { if (s[a] == t[b]) { dp[a + 1][b + 1] = dp[a][b] + 1; } chmax(dp[a + 1][b + 1], dp[a + 1][b]); chmax(dp[a + 1][b + 1], dp[a][b + 1]); } } string ans = ""; int a = (int)s.size(), b = (int)t.size(); while (a > 0 && b > 0) { if (dp[a][b] == dp[a - 1][b]) { a--; } else if (dp[a][b] == dp[a][b - 1]) { b--; } else { ans = s[a - 1] + ans; a--, b--; } } cout << ans << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define ll long long #define PB push_back #define MP make_pair #define REP(i, n) for (i = 0; i < (n); ++i) #define FOR(i, l, h) for (i = (l); i <= (h); ++i) #define FORD(i, h, l) for (i = (h); i >= (l); --i) #define max(a, b) a > b ? a : b #define min(a, b) a > b ? b : a using namespace std; //********************************* //******problem F DP contest LCS *** int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); string s1, s2; cin >> s1 >> s2; ll int m, n; n = s1.length(); m = s2.length(); int dp[m + 2][n + 2]; // memset(dp,0,sizeof(dp)); for (ll int i = 0; i <= n; i++) { for (ll int j = 0; j <= m; j++) { if (i == 0 || j == 0) dp[i][j] = 0; else if (s1[i - 1] == s2[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; // ans += s1[i]; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int lclen = dp[n][m]; string ans(lclen, '.'); ll int i = n, j = m; while (i > 0 && j > 0) { if (s1[i - 1] == s2[j - 1]) { ans[lclen - 1] = s1[i - 1]; i--; j--; lclen--; } else if (dp[i - 1][j] < dp[i][j - 1]) j--; else i--; } // cout<<dp[n][m]<<"\n"; // reverse(ans.begin(),ans.end()); cout << ans; return 0; }
#include <bits/stdc++.h> #define ll long long #define PB push_back #define MP make_pair #define REP(i, n) for (i = 0; i < (n); ++i) #define FOR(i, l, h) for (i = (l); i <= (h); ++i) #define FORD(i, h, l) for (i = (h); i >= (l); --i) #define max(a, b) a > b ? a : b #define min(a, b) a > b ? b : a using namespace std; //********************************* //******problem F DP contest LCS *** int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); string s1, s2; cin >> s1 >> s2; ll int m, n; n = s1.length(); m = s2.length(); vector<vector<int>> dp(n + 2, vector<int>(m + 2, 0)); // memset(dp,0,sizeof(dp)); for (ll int i = 0; i <= n; i++) { for (ll int j = 0; j <= m; j++) { if (i == 0 || j == 0) dp[i][j] = 0; else if (s1[i - 1] == s2[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; // ans += s1[i]; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int lclen = dp[n][m]; string ans(lclen, '.'); ll int i = n, j = m; while (i > 0 && j > 0) { if (s1[i - 1] == s2[j - 1]) { ans[lclen - 1] = s1[i - 1]; i--; j--; lclen--; } else if (dp[i - 1][j] < dp[i][j - 1]) j--; else i--; } // cout<<dp[n][m]<<"\n"; // reverse(ans.begin(),ans.end()); cout << ans; return 0; }
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p03165
C++
Runtime Error
/* kaafi fucked up */ #define SET #pragma GCC optimize("O3") #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("unroll-loops") #define DEBUG #include <bits/stdc++.h> #include <string> #define pb push_back #define mp make_pair #define f(i, a, b) for (long long i = a; i < b; i++) #define revf(i, b, a) for (int i = b; i >= a; i--) #define srt(v) sort(v.begin(), v.end()) #define rev_srt(v) sort(v.rbegin(), v.rend()) #define mem(a, b) memset(a, b, sizeof(a)) using namespace std; #ifdef SET #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/rope> using namespace __gnu_pbds; using namespace __gnu_cxx; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set; typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_multi_set; #endif #define nl '\n' #define sp " " #define precision(x) cout << fixed << setprecision(x); #define fio \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define all(x) x.begin(), x.end() typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef long double ld; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vll; typedef vector<vll> vvll; typedef vector<pii> vpii; typedef vector<vpii> vvpii; template <typename T> void debugv(vector<T> a) { #ifdef DEBUG for (auto i : a) { cout << i << sp; } cout << nl; return; #endif return; } template <typename T> void debuga(T *a, int n, int beg = 0) { #ifdef DEBUG f(i, beg, beg + n) { cout << a[i] << sp; } cout << nl; return; #endif return; } void logg(string s) { #ifdef DEBUG cout << s << nl; #endif } template <class T> inline bool remax(T &a, T b) { return a < b ? a = b, 1 : 0; } template <class T> inline bool remin(T &a, T b) { return a > b ? a = b, 1 : 0; } ll md = 1000000007; // const ll MXSZ= (ll)5e5; // ll fact[MXSZ]; // ll mi[MXSZ]; // ll my_gcd(ll n, ll m) // { // if (n % m == 0) // return m; // if (n < m) // swap(n, m); // while (m > 0) // { // n = n % m; // swap(n, m); // } // return n; // } ll pw(ll a, ll b) { ll c = 1, m = a % md; while (b) { if (b & 1) c = (c * m) % md; m = (m * m) % md; b /= 2; } return c; } ll modinv(ll n) { return pw(n, md - 2); } inline ll add(ll a, ll b) { return (md + a % md + b % md) % md; } inline ll subt(ll a, ll b) { return (a % md - b % md + md) % md; } inline ll mult(ll a, ll b) { return (1ll * (a % md) * (b % md)) % md; } // ll ncr(int n, int r) // { // if (!n) // return 1; // return mult(fact[n], mult(mi[r], mi[n - r])); // } // void pre() // { // fact[0] = 1; // ll lim = MXSZ; // f(i, 1, lim) fact[i] = mult(i, fact[i - 1]); // f(i, 0, lim) mi[i] = modinv(fact[i]); // // f(i, 0, 10) cout << mi[i] << sp; // // cout << nl; // } template <class T> T myceil(T a, T b) { if (a % b) return (a / b) + 1; else return a / b; }; const ll MX = 1e3 + 5; ll dp[MX][MX]; ll btr[MX][MX][2]; ll fl[MX][MX]; ll last[MX]; void solvetestcase(ll tcn) { string s, t; cin >> s; cin >> t; ll n = s.size(); ll m = t.size(); f(i, 1, n + 1) f(j, 1, m + 1) { dp[i][j] = max({dp[i][j - 1], dp[i - 1][j], dp[i - 1][j - 1] + (s[i - 1] == t[j - 1])}); if (dp[i][j] == dp[i - 1][j - 1] + (s[i - 1] == t[j - 1])) { btr[i][j][0] = i - 1; btr[i][j][1] = j - 1; fl[i][j] = (s[i - 1] == t[j - 1]); } else if (dp[i][j] == dp[i][j - 1]) { btr[i][j][0] = i; btr[i][j][1] = j - 1; } else { btr[i][j][0] = i - 1; btr[i][j][1] = j; } } if (!dp[n][m]) { cout << "\n"; return; } string ans; int x = n; int y = m; // cout<<dp[n][m]<<nl; while (x > 0 && y > 0) { if (fl[x][y]) ans.pb(s[x - 1]); ll xx = x; x = btr[x][y][0]; y = btr[xx][y][1]; } reverse(all(ans)); cout << ans << nl; } int main() { fio; int t = 1; // cin >> t; // pre(); f(i, 1, t + 1) { // cout << "Case #" << i << ": "; solvetestcase(i); // cout << nl; } return 0; };
/* kaafi fucked up */ #define SET #pragma GCC optimize("O3") #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("unroll-loops") #define DEBUG #include <bits/stdc++.h> #include <string> #define pb push_back #define mp make_pair #define f(i, a, b) for (long long i = a; i < b; i++) #define revf(i, b, a) for (int i = b; i >= a; i--) #define srt(v) sort(v.begin(), v.end()) #define rev_srt(v) sort(v.rbegin(), v.rend()) #define mem(a, b) memset(a, b, sizeof(a)) using namespace std; #ifdef SET #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/rope> using namespace __gnu_pbds; using namespace __gnu_cxx; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set; typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_multi_set; #endif #define nl '\n' #define sp " " #define precision(x) cout << fixed << setprecision(x); #define fio \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define all(x) x.begin(), x.end() typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef long double ld; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vll; typedef vector<vll> vvll; typedef vector<pii> vpii; typedef vector<vpii> vvpii; template <typename T> void debugv(vector<T> a) { #ifdef DEBUG for (auto i : a) { cout << i << sp; } cout << nl; return; #endif return; } template <typename T> void debuga(T *a, int n, int beg = 0) { #ifdef DEBUG f(i, beg, beg + n) { cout << a[i] << sp; } cout << nl; return; #endif return; } void logg(string s) { #ifdef DEBUG cout << s << nl; #endif } template <class T> inline bool remax(T &a, T b) { return a < b ? a = b, 1 : 0; } template <class T> inline bool remin(T &a, T b) { return a > b ? a = b, 1 : 0; } ll md = 1000000007; // const ll MXSZ= (ll)5e5; // ll fact[MXSZ]; // ll mi[MXSZ]; // ll my_gcd(ll n, ll m) // { // if (n % m == 0) // return m; // if (n < m) // swap(n, m); // while (m > 0) // { // n = n % m; // swap(n, m); // } // return n; // } ll pw(ll a, ll b) { ll c = 1, m = a % md; while (b) { if (b & 1) c = (c * m) % md; m = (m * m) % md; b /= 2; } return c; } ll modinv(ll n) { return pw(n, md - 2); } inline ll add(ll a, ll b) { return (md + a % md + b % md) % md; } inline ll subt(ll a, ll b) { return (a % md - b % md + md) % md; } inline ll mult(ll a, ll b) { return (1ll * (a % md) * (b % md)) % md; } // ll ncr(int n, int r) // { // if (!n) // return 1; // return mult(fact[n], mult(mi[r], mi[n - r])); // } // void pre() // { // fact[0] = 1; // ll lim = MXSZ; // f(i, 1, lim) fact[i] = mult(i, fact[i - 1]); // f(i, 0, lim) mi[i] = modinv(fact[i]); // // f(i, 0, 10) cout << mi[i] << sp; // // cout << nl; // } template <class T> T myceil(T a, T b) { if (a % b) return (a / b) + 1; else return a / b; }; const ll MX = 3e3 + 5; ll dp[MX][MX]; ll btr[MX][MX][2]; ll fl[MX][MX]; ll last[MX]; void solvetestcase(ll tcn) { string s, t; cin >> s; cin >> t; ll n = s.size(); ll m = t.size(); f(i, 1, n + 1) f(j, 1, m + 1) { dp[i][j] = max({dp[i][j - 1], dp[i - 1][j], dp[i - 1][j - 1] + (s[i - 1] == t[j - 1])}); if (dp[i][j] == dp[i - 1][j - 1] + (s[i - 1] == t[j - 1])) { btr[i][j][0] = i - 1; btr[i][j][1] = j - 1; fl[i][j] = (s[i - 1] == t[j - 1]); } else if (dp[i][j] == dp[i][j - 1]) { btr[i][j][0] = i; btr[i][j][1] = j - 1; } else { btr[i][j][0] = i - 1; btr[i][j][1] = j; } } if (!dp[n][m]) { cout << "\n"; return; } string ans; int x = n; int y = m; // cout<<dp[n][m]<<nl; while (x > 0 && y > 0) { if (fl[x][y]) ans.pb(s[x - 1]); ll xx = x; x = btr[x][y][0]; y = btr[xx][y][1]; } reverse(all(ans)); cout << ans << nl; } int main() { fio; int t = 1; // cin >> t; // pre(); f(i, 1, t + 1) { // cout << "Case #" << i << ": "; solvetestcase(i); // cout << nl; } return 0; };
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { string str = ""; string a, b; cin >> a >> b; int sa = a.length(); int sb = b.length(); int dp[sb + 1][sa + 1]; for (int i = 0; i < sa + 1; i++) dp[0][i] = 0; for (int i = 0; i < sb + 1; i++) dp[i][0] = 0; for (int i = 1; i < sb + 1; i++) for (int j = 1; j < sa + 1; j++) { if (b[i - 1] == a[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } int i = sb; int j = sa; while (i || j) { if (a[j - 1] == b[i - 1]) { str += a[j - 1]; i--; j--; continue; } if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } reverse(str.begin(), str.end()); cout << str; }
#include <bits/stdc++.h> using namespace std; int main() { string str = ""; string a, b; cin >> a >> b; int sa = a.length(); int sb = b.length(); int dp[sb + 1][sa + 1]; for (int i = 0; i < sa + 1; i++) dp[0][i] = 0; for (int i = 0; i < sb + 1; i++) dp[i][0] = 0; for (int i = 1; i < sb + 1; i++) for (int j = 1; j < sa + 1; j++) { if (b[i - 1] == a[j - 1]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } int i = sb; int j = sa; while (i > 0 && j > 0) { if (a[j - 1] == b[i - 1]) { str += a[j - 1]; i--; j--; continue; } if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } reverse(str.begin(), str.end()); cout << str; }
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p03165
C++
Runtime Error
#include <algorithm> #include <iostream> #include <string.h> #include <string> #include <vector> using namespace std; int dp[3001][3001]; int main() { char s[3001], s1[3001]; cin >> s >> s1; int len = strlen(s), len1 = strlen(s1); for (int i = 1; i <= len; i++) { for (int j = 1; j <= len1; j++) { if (s[i - 1] == s1[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } vector<char> s2; int i = len, j = len1; while (i >= 0 && j >= 0) { if (dp[i][j] == dp[i - 1][j]) i--; else if (dp[i][j] == dp[i][j - 1]) j--; else { s2.push_back(s[i - 1]); i--, j--; } } reverse(s2.begin(), s2.end()); for (char c : s2) cout << c; }
#include <algorithm> #include <iostream> #include <string.h> #include <string> #include <vector> using namespace std; int dp[3001][3001]; int main() { char s[3001], s1[3001]; cin >> s >> s1; int len = strlen(s), len1 = strlen(s1); for (int i = 1; i <= len; i++) { for (int j = 1; j <= len1; j++) { if (s[i - 1] == s1[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } vector<char> s2; int i = len, j = len1; while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j]) i--; else if (dp[i][j] == dp[i][j - 1]) j--; else { s2.push_back(s[i - 1]); i--, j--; } } reverse(s2.begin(), s2.end()); for (char c : s2) cout << c; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; string a, b, s = ""; int arr[3001][3001], alen, blen; void dp(string a, string b) { alen = a.length(), blen = b.length(); for (int i = 0; i <= blen; i++) { for (int j = 0; j <= alen; j++) { int k = i - 1, l = j - 1; if (i == 0 || j == 0) arr[i][j] = 0; else { if (a[l] == b[k]) { arr[i][j] = 1 + arr[i - 1][j - 1]; } else arr[i][j] += max(arr[i - 1][j], arr[i][j - 1]); } } } int curmax = arr[blen][alen]; for (int i = blen; i > 0; i--) { for (int j = alen; j > 0; j--) { if (arr[i][j] == curmax && arr[i][j] > arr[i - 1][j] && arr[i][j] > arr[i][j - 1]) { s = a[j - 1] + s; curmax -= 1; if (j != 1) i -= 1; } } } } int main() { cin >> a >> b; dp(a, b); cout << s; }
#include <bits/stdc++.h> using namespace std; string a, b, s = ""; int arr[3001][3001], alen, blen; void dp(string a, string b) { alen = a.length(), blen = b.length(); for (int i = 0; i <= blen; i++) { for (int j = 0; j <= alen; j++) { int k = i - 1, l = j - 1; if (i == 0 || j == 0) arr[i][j] = 0; else { if (a[l] == b[k]) { arr[i][j] = 1 + arr[i - 1][j - 1]; } else arr[i][j] += max(arr[i - 1][j], arr[i][j - 1]); } } } int curmax = arr[blen][alen]; int i = blen, j = alen; while (i > 0 && j > 0) { if (arr[i][j] == curmax && arr[i][j] > arr[i - 1][j] && arr[i][j] > arr[i][j - 1]) { s = a[j - 1] + s; curmax -= 1; i -= 1; j -= 1; } else if (arr[i - 1][j] > arr[i][j - 1]) i -= 1; else j -= 1; } } int main() { cin >> a >> b; dp(a, b); cout << s; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { string a, b; cin >> a; cin >> b; a = ' ' + a; b = ' ' + b; int A = a.length(); int B = b.length(); int dp[A][B]; for (int i = 0; i < A; i++) { for (int j = 0; j < B; j++) { if (i == 0 || j == 0) { dp[i][j] = 0; continue; } else if (a[i] == b[j]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int i = A - 1, j = B - 1; string ans = ""; while (i > 0 || j > 0) { if (a[i] == b[j]) { ans = a[i] + ans; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } cout << ans; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { string a, b; cin >> a; cin >> b; a = ' ' + a; b = ' ' + b; int A = a.length(); int B = b.length(); int dp[A][B]; for (int i = 0; i < A; i++) { for (int j = 0; j < B; j++) { if (i == 0 || j == 0) { dp[i][j] = 0; continue; } else if (a[i] == b[j]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int i = A - 1, j = B - 1; string ans = ""; while (i > 0 && j > 0) { if (a[i] == b[j]) { ans = a[i] + ans; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } cout << ans; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; string s1, s2; static int t[2001][2001]; void nhap() { cin >> s1 >> s2; } void qhd() { for (int i = 1; i <= (int)s1.length(); i++) for (int j = 1; j <= (int)s2.length(); j++) if (s1[i - 1] == s2[j - 1]) t[i][j] = t[i - 1][j - 1] + 1; else t[i][j] = max(t[i][j - 1], t[i - 1][j]); int i = (int)s1.length(); int j = (int)s2.length(); string res = ""; while (i != 0 && j != 0) { if (s1[i - 1] == s2[j - 1]) { res = s1[i - 1] + res; i--; j--; } else if (t[i][j] == t[i - 1][j]) i--; else j--; } cout << res; } int main() { nhap(); qhd(); return 0; }
#include <bits/stdc++.h> using namespace std; string s1, s2; static int t[3005][3005]; void nhap() { cin >> s1 >> s2; } void qhd() { for (int i = 1; i <= (int)s1.length(); i++) for (int j = 1; j <= (int)s2.length(); j++) if (s1[i - 1] == s2[j - 1]) t[i][j] = t[i - 1][j - 1] + 1; else t[i][j] = max(t[i][j - 1], t[i - 1][j]); int i = (int)s1.length(); int j = (int)s2.length(); string res = ""; while (i != 0 && j != 0) { if (s1[i - 1] == s2[j - 1]) { res = s1[i - 1] + res; i--; j--; } else if (t[i][j] == t[i - 1][j]) i--; else j--; } cout << res; } int main() { nhap(); qhd(); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; ++i) #define ALL(v) v.begin(), v.end() typedef long long ll; typedef pair<int, int> P; const int INF = 1000000007; int dp[3000 + 1][3000 + 1]; int main() { string s, t, ans; cin >> s >> t; fill(dp[0], dp[3000 + 1], 0); for (int i = 0; i < s.size(); ++i) { int foo = 0; for (int j = 0; j < t.size(); ++j) { if (s[i] == t[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; } else { if (dp[i][j + 1] > dp[i + 1][j]) { dp[i + 1][j + 1] = dp[i][j + 1]; } else { dp[i + 1][j + 1] = dp[i + 1][j]; } } } } int sl = s.size(); int tl = t.size(); int l = dp[sl][tl]; while (l > -1) { if (s[sl - 1] == t[tl - 1]) { ans.push_back(s[sl - 1]); sl--; tl--; l--; } else if (dp[sl][tl] == dp[sl - 1][tl]) { sl--; } else { tl--; } } reverse(ALL(ans)); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; ++i) #define ALL(v) v.begin(), v.end() typedef long long ll; typedef pair<int, int> P; const int INF = 1000000007; int dp[3000 + 1][3000 + 1]; int main() { string s, t, ans; cin >> s >> t; fill(dp[0], dp[3000 + 1], 0); for (int i = 0; i < s.size(); ++i) { int foo = 0; for (int j = 0; j < t.size(); ++j) { if (s[i] == t[j]) { dp[i + 1][j + 1] = dp[i][j] + 1; } else { if (dp[i][j + 1] > dp[i + 1][j]) { dp[i + 1][j + 1] = dp[i][j + 1]; } else { dp[i + 1][j + 1] = dp[i + 1][j]; } } } } int sl = s.size(); int tl = t.size(); int l = dp[sl][tl]; while (l > 0) { if (s[sl - 1] == t[tl - 1]) { ans.push_back(s[sl - 1]); sl--; tl--; l--; } else if (dp[sl][tl] == dp[sl - 1][tl]) { sl--; } else { tl--; } } reverse(ALL(ans)); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long int ll; #define fi first #define sec second #define MOD 1000000007 #define pb push_back #define test cout << "debuged\n"; #define INF 10000000000 #define si 1000000 #define debug(x) cout << x << "\n"; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output", "w", stdout); #endif string s, d; cin >> s >> d; ll n = s.size(), m = d.size(); ll dp[n + 10][m + 10]; vector<char> ans; for (ll i = 0; i <= n; i++) for (ll j = 0; j <= m; j++) dp[i][j] = 0; for (ll i = 1; i <= n; i++) { for (ll j = 1; j <= m; j++) { if (s[i - 1] == d[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } ll i = n, j = m; while (j > 0 and i > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else { ans.pb(s[i - 1]); i--; j--; } } reverse(ans.begin(), ans.end()); for (auto x : ans) cout << x; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; #define fi first #define sec second #define MOD 1000000007 #define pb push_back #define test cout << "debuged\n"; #define INF 10000000000 #define si 1000000 #define debug(x) cout << x << "\n"; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); string s, d; cin >> s >> d; ll n = s.size(), m = d.size(); ll dp[n + 10][m + 10]; vector<char> ans; for (ll i = 0; i <= n; i++) for (ll j = 0; j <= m; j++) dp[i][j] = 0; for (ll i = 1; i <= n; i++) { for (ll j = 1; j <= m; j++) { if (s[i - 1] == d[j - 1]) { dp[i][j] = dp[i - 1][j - 1] + 1; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } ll i = n, j = m; while (j > 0 and i > 0) { if (dp[i][j] == dp[i - 1][j]) { i--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else { ans.pb(s[i - 1]); i--; j--; } } reverse(ans.begin(), ans.end()); for (auto x : ans) cout << x; }
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p03165
C++
Runtime Error
//============================================================================ // Name : f // Date : Wed Feb 20 10:59:11 CST 2019 // Author : landcold7 // Description : Actions speak louder more than words //============================================================================ #include "bits/stdc++.h" using namespace std; #define pb push_back #define sz(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() #define mst(x, y) memset(x, y, sizeof(x)) #define pvar(x) cout << #x << ": " #define fora(e, c) for (auto &e : c) #define fori(i, a, b) for (int i = a; i < b; ++i) #define ford(i, a, b) for (int i = a; i > b; --i) #define output(v) cout << (v) << '\n' #define prt(x, a, n) \ { \ cout << x[a]; \ if (a < n - 1) \ cout << " "; \ } #define pvi(x, v) \ if (v) \ pvar(x); \ fora(a, x) cout << a << " "; \ cout << "\n" #define par(x, s, n, v) \ if (v) \ pvar(x); \ fori(y, s, n) prt(x, y, n) cout << "\n" #ifndef __has_trace #define trace(...) #endif typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef vector<pii> vpii; template <class T> void amax(T &a, T b) { a = max(a, b); } void solve() { string ss, tt; cin >> ss >> tt; int a = sz(ss), b = sz(tt); using pip = pair<int, pii>; vector<vector<pip>> dp(a + 1, vector<pip>(b + 1, {0, {0, 0}})); fori(i, 0, a) { fori(j, 0, b) { amax(dp[i + 1][j + 1], {dp[i][j].first + (ss[i] == tt[j] ? 1 : 0), {i, j}}); amax(dp[i + 1][j], {dp[i][j].first, {i, j}}); amax(dp[i][j + 1], {dp[i][j].first, {i, j}}); } } pip mx = {0, {0, 0}}; fori(i, 0, a + 1) { fori(j, 0, b + 1) { amax(mx, {dp[i][j].first, {i, j}}); } } pii cur = mx.second; string ret; while (mx.first && !(cur.first == 0 || cur.second == 0)) { int i = cur.first, j = cur.second; pii pre = dp[i][j].second; if (pre == pii(i - 1, j - 1)) { assert(ss[i - 1] == tt[j - 1]); ret = ss[i - 1] + ret; } cur = pre; } output(ret); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); solve(); return 0; }
//============================================================================ // Name : f // Date : Wed Feb 20 10:59:11 CST 2019 // Author : landcold7 // Description : Actions speak louder more than words //============================================================================ #include "bits/stdc++.h" using namespace std; #define pb push_back #define sz(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() #define mst(x, y) memset(x, y, sizeof(x)) #define pvar(x) cout << #x << ": " #define fora(e, c) for (auto &e : c) #define fori(i, a, b) for (int i = a; i < b; ++i) #define ford(i, a, b) for (int i = a; i > b; --i) #define output(v) cout << (v) << '\n' #define prt(x, a, n) \ { \ cout << x[a]; \ if (a < n - 1) \ cout << " "; \ } #define pvi(x, v) \ if (v) \ pvar(x); \ fora(a, x) cout << a << " "; \ cout << "\n" #define par(x, s, n, v) \ if (v) \ pvar(x); \ fori(y, s, n) prt(x, y, n) cout << "\n" #ifndef __has_trace #define trace(...) #endif typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; typedef vector<pii> vpii; template <class T> void amax(T &a, T b) { a = max(a, b); } void solve() { string ss, tt; cin >> ss >> tt; int a = sz(ss), b = sz(tt); using pip = pair<int, pii>; vector<vector<pip>> dp(a + 1, vector<pip>(b + 1, {0, {0, 0}})); fori(i, 0, a) { fori(j, 0, b) { amax(dp[i + 1][j + 1], {dp[i][j].first + (ss[i] == tt[j] ? 1 : 0), {i, j}}); amax(dp[i + 1][j], {dp[i][j].first, {i, j}}); amax(dp[i][j + 1], {dp[i][j].first, {i, j}}); } } pip mx = {0, {0, 0}}; fori(i, 0, a + 1) { fori(j, 0, b + 1) { amax(mx, {dp[i][j].first, {i, j}}); } } pii cur = mx.second; string ret; while (mx.first && !(cur.first == 0 || cur.second == 0)) { int i = cur.first, j = cur.second; pii pre = dp[i][j].second; if (pre == pii(i - 1, j - 1)) { if (ss[i - 1] == tt[j - 1]) { ret = ss[i - 1] + ret; } } cur = pre; } output(ret); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); solve(); return 0; }
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p03165
C++
Time Limit Exceeded
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse2") #include <algorithm> #include <bits/stdc++.h> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> using namespace std; #define int long long #define ll long long #define pb push_back #define pii pair<int, int> #define vi vector<int> #define vii vector<pii> #define mi map<int, int> #define mii map<pii, int> #define mp make_pair #define all(a) (a).begin(), (a).end() #define FF first #define SS second #define sz(x) (int)x.size() #define endl '\n' // #define hell 1000000007 #define rep(i, a, b) for (int i = a; i < b; i++) // mp::cpp_int #define pp pair<pii, pii> const int hell = 1000000007; int power(int a, int b) { if (b == 0) return 1; if (b == 1) return a; int t = power(a, b / 2); t %= hell; t *= t; t %= hell; if (b % 2) return (t * a) % hell; else return t; } int gcd(int a, int b) { if (b == 0) return a; return gcd(b - a % b, a % b); } int digitsum(int x) { while (x > 9) { int ans = 0; while (x != 0) { ans += x % 10; x /= 10; } x = ans; } return x; } int pw(int a, int b) { int x = a; rep(i, 1, b) { a = a * x; } return a; } int lcs[3001][3001]; string a, b; int LCS(int n, int m) { if (n == 0 || m == 0) return 0; if (lcs[n][m]) return lcs[n][m]; int t; if (a[n - 1] == b[m - 1]) { t = LCS(n - 1, m - 1) + 1; } else t = max(LCS(n - 1, m), LCS(n, m - 1)); lcs[n][m] = t; return t; } int solve() { cin >> a >> b; int n = a.size(); int m = b.size(); memset(lcs, 0, sizeof(lcs)); LCS(n, m); int i = n, j = m; string ans = ""; while (i > 0 && j > 0) { if (a[i - 1] == b[j - 1]) { ans += a[i - 1]; // cout<<a[i-1]<<endl; i--; j--; continue; } if (lcs[i - 1][j] > lcs[i][j - 1]) { i--; } else j--; } reverse(all(ans)); cout << ans; return 0; } signed main() { int t = 1; ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin.exceptions(cin.failbit); clock_t time_req; // Without using pow function time_req = clock(); // cin>>t; int k = 1; while (t--) { // cout<<"case #"<<k<<":"<<" ";k++; solve(); } time_req = clock() - time_req; // cout <<endl<< "Processor time taken is " //<< (double)time_req/CLOCKS_PER_SEC << " seconds" << endl; return 0; }
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse2") #include <algorithm> #include <bits/stdc++.h> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> using namespace std; #define int long long #define ll long long #define pb push_back #define pii pair<int, int> #define vi vector<int> #define vii vector<pii> #define mi map<int, int> #define mii map<pii, int> #define mp make_pair #define all(a) (a).begin(), (a).end() #define FF first #define SS second #define sz(x) (int)x.size() #define endl '\n' // #define hell 1000000007 #define rep(i, a, b) for (int i = a; i < b; i++) // mp::cpp_int #define pp pair<pii, pii> const int hell = 1000000007; int power(int a, int b) { if (b == 0) return 1; if (b == 1) return a; int t = power(a, b / 2); t %= hell; t *= t; t %= hell; if (b % 2) return (t * a) % hell; else return t; } int gcd(int a, int b) { if (b == 0) return a; return gcd(b - a % b, a % b); } int digitsum(int x) { while (x > 9) { int ans = 0; while (x != 0) { ans += x % 10; x /= 10; } x = ans; } return x; } int pw(int a, int b) { int x = a; rep(i, 1, b) { a = a * x; } return a; } int lcs[3001][3001]; string a, b; int LCS(int n, int m) { if (n == 0 || m == 0) return 0; if (lcs[n][m]) return lcs[n][m]; int t; if (a[n - 1] == b[m - 1]) { t = LCS(n - 1, m - 1) + 1; } else t = max(LCS(n - 1, m), LCS(n, m - 1)); lcs[n][m] = t; return t; } int solve() { cin >> a >> b; int n = a.size(); int m = b.size(); memset(lcs, 0, sizeof(lcs)); lcs[0][0] = 0; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (a[i - 1] == b[j - 1]) { lcs[i][j] = 1 + lcs[i - 1][j - 1]; } else { lcs[i][j] = max(lcs[i][j - 1], lcs[i - 1][j]); } } } int i = n, j = m; string ans = ""; while (i > 0 && j > 0) { if (a[i - 1] == b[j - 1]) { ans += a[i - 1]; // cout<<a[i-1]<<endl; i--; j--; continue; } if (lcs[i - 1][j] > lcs[i][j - 1]) { i--; } else j--; } reverse(all(ans)); cout << ans; return 0; } signed main() { int t = 1; ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin.exceptions(cin.failbit); clock_t time_req; // Without using pow function time_req = clock(); // cin>>t; int k = 1; while (t--) { // cout<<"case #"<<k<<":"<<" ";k++; solve(); } time_req = clock() - time_req; // cout <<endl<< "Processor time taken is " //<< (double)time_req/CLOCKS_PER_SEC << " seconds" << endl; return 0; }
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p03165
C++
Runtime Error
#include <algorithm> #include <climits> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <tuple> #include <vector> #define ll long long #define pii pair<int, int> #define pll pair<ll, ll> #define vii vector<int> #define vll vector<ll> #define lb lower_bound #define pb push_back #define mp make_pair #define rep(i, n) for (ll i = 0; i < n; i++) #define rep2(i, a, b) for (ll i = a; i < b; i++) #define repr(i, n) for (ll i = n - 1; i >= 0; i--) #define all(x) x.begin(), x.end() #define INF (ll)1e9 + 7 #define LLINF (ll)1e30 // #define int ll using namespace std; const int MOD = 1e9 + 7; int main() { cin.tie(0); ios::sync_with_stdio(false); string s, t, res = ""; cin >> s >> t; int T = t.size(), S = s.size(); int dp[301][301] = {}; rep(i, S) { rep(j, T) { if (s[i] == t[j]) { dp[i + 1][j + 1] = max(dp[i][j] + 1, dp[i + 1][j + 1]); } dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j + 1]); dp[i + 1][j + 1] = max(dp[i + 1][j], dp[i + 1][j + 1]); } } while (S > 0 && T > 0) { if (dp[S][T] == dp[S - 1][T]) S--; else if (dp[S][T] == dp[S][T - 1]) T--; else { res = s[S - 1] + res; T--; S--; } } cout << res << endl; return 0; }
#include <algorithm> #include <climits> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <tuple> #include <vector> #define ll long long #define pii pair<int, int> #define pll pair<ll, ll> #define vii vector<int> #define vll vector<ll> #define lb lower_bound #define pb push_back #define mp make_pair #define rep(i, n) for (ll i = 0; i < n; i++) #define rep2(i, a, b) for (ll i = a; i < b; i++) #define repr(i, n) for (ll i = n - 1; i >= 0; i--) #define all(x) x.begin(), x.end() #define INF (ll)1e9 + 7 #define LLINF (ll)1e30 // #define int ll using namespace std; const int MOD = 1e9 + 7; int main() { cin.tie(0); ios::sync_with_stdio(false); string s, t, res = ""; cin >> s >> t; int T = t.size(), S = s.size(); int dp[3010][3010] = {}; rep(i, S) { rep(j, T) { if (s[i] == t[j]) { dp[i + 1][j + 1] = max(dp[i][j] + 1, dp[i + 1][j + 1]); } dp[i + 1][j + 1] = max(dp[i][j + 1], dp[i + 1][j + 1]); dp[i + 1][j + 1] = max(dp[i + 1][j], dp[i + 1][j + 1]); } } while (S > 0 && T > 0) { if (dp[S][T] == dp[S - 1][T]) S--; else if (dp[S][T] == dp[S][T - 1]) T--; else { res = s[S - 1] + res; T--; S--; } } cout << res << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int dp[1002][1002]; string sa, sb; int rec(int a, int b) { if (a == sa.size() or b == sb.size()) return 0; if (dp[a][b] != -1) return dp[a][b]; // dp[a][b]=0; if (sa[a] == sb[b]) { dp[a][b] = rec(a + 1, b + 1) + 1; } else dp[a][b] = max(rec(a + 1, b), rec(a, b + 1)); return dp[a][b]; } void recons(int a, int b) { if (a == sa.size() or b == sb.size()) return; else if (dp[a][b] == rec(a + 1, b + 1) + 1 and sa[a] == sb[b]) { cout << sb[b]; recons(a + 1, b + 1); } else { if (dp[a][b] == rec(a + 1, b)) recons(a + 1, b); else if (dp[a][b] == rec(a, b + 1)) recons(a, b + 1); } } int main() { // freopen("entra.in","r",stdin); // freopen("sale.out","w",stdout); // cin>>sa>>sb; while (getline(cin, sa)) { getline(cin, sb); memset(dp, -1, sizeof dp); rec(0, 0); recons(0, 0); cout << "\n"; } }
#include <bits/stdc++.h> using namespace std; int dp[3003][3003]; string sa, sb; int rec(int a, int b) { if (a == sa.size() or b == sb.size()) return 0; if (dp[a][b] != -1) return dp[a][b]; // dp[a][b]=0; if (sa[a] == sb[b]) { dp[a][b] = rec(a + 1, b + 1) + 1; } else dp[a][b] = max(rec(a + 1, b), rec(a, b + 1)); return dp[a][b]; } void recons(int a, int b) { if (a == sa.size() or b == sb.size()) return; else if (dp[a][b] == rec(a + 1, b + 1) + 1 and sa[a] == sb[b]) { cout << sb[b]; recons(a + 1, b + 1); } else { if (dp[a][b] == rec(a + 1, b)) recons(a + 1, b); else if (dp[a][b] == rec(a, b + 1)) recons(a, b + 1); } } int main() { // freopen("entra.in","r",stdin); // freopen("sale.out","w",stdout); // cin>>sa>>sb; while (getline(cin, sa)) { getline(cin, sb); memset(dp, -1, sizeof dp); rec(0, 0); recons(0, 0); cout << "\n"; } }
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p03165
C++
Runtime Error
#include <algorithm> #include <bitset> #include <cmath> #include <cstring> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < n; ++i) using namespace std; int N; string s, t; int DP[3002][3002]; // sのi文字目までとtのj文字目まで探索し、その最大共通個数 int main() { cin.sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> s >> t; rep(i, s.size()) { rep(j, t.size()) { if (s[i] == t[j]) { DP[i + 1][j + 1] = max(DP[i][j] + 1, DP[i + 1][j + 1]); } DP[i + 1][j + 1] = max(DP[i + 1][j + 1], DP[i][j + 1]); DP[i + 1][j + 1] = max(DP[i + 1][j + 1], DP[i + 1][j]); } } string ans = ""; int i = s.size(); int j = t.size(); while (i > 1 && j > 1) { if (DP[i][j] == DP[i - 1][j]) i--; if (DP[i][j] == DP[i][j - 1]) j--; if (DP[i][j] == DP[i - 1][j - 1]) { ans = ans[i - 1] + ans; i--; j--; } } cout << ans << "\n"; return 0; }
#include <algorithm> #include <bitset> #include <cmath> #include <cstring> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < n; ++i) using namespace std; int N; string s, t; int DP[3002][3002]; // sのi文字目までとtのj文字目まで探索し、その最大共通個数 int main() { cin.sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> s >> t; rep(i, s.size()) { rep(j, t.size()) { if (s[i] == t[j]) { DP[i + 1][j + 1] = max(DP[i][j] + 1, DP[i + 1][j + 1]); } DP[i + 1][j + 1] = max(DP[i + 1][j + 1], DP[i][j + 1]); DP[i + 1][j + 1] = max(DP[i + 1][j + 1], DP[i + 1][j]); } } string ans = ""; int s_idx = (int)s.size(); int t_idx = (int)t.size(); while (s_idx > 0 && t_idx > 0) { if (DP[s_idx][t_idx] == DP[s_idx - 1][t_idx]) s_idx--; else if (DP[s_idx][t_idx] == DP[s_idx][t_idx - 1]) t_idx--; else { ans = s[s_idx - 1] + ans; s_idx--; t_idx--; } } cout << ans << "\n"; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; string a, b; int dp[1009][1009]; int solve(int idx1, int idx2) { if (idx1 >= a.length() || idx2 >= b.length()) return 0; if (dp[idx1][idx2] != -1) return dp[idx1][idx2]; if (a[idx1] == b[idx2]) { dp[idx1][idx2] = solve(idx1 + 1, idx2 + 1) + 1; } else { dp[idx1][idx2] = max(solve(idx1 + 1, idx2), solve(idx1, idx2 + 1)); } return dp[idx1][idx2]; } void build(int idx1, int idx2) { if (idx1 >= a.length() || idx2 >= b.length()) return; if (a[idx1] == b[idx2]) { cout << a[idx1]; idx1++; idx2++; } else if (dp[idx1][idx2] == solve(idx1 + 1, idx2)) { idx1++; } else if (dp[idx1][idx2] == solve(idx1, idx2 + 1)) { idx2++; } build(idx1, idx2); return; } int main() { memset(dp, -1, sizeof(dp)); cin >> a >> b; solve(0, 0); build(0, 0); }
#include <bits/stdc++.h> using namespace std; string a, b; int dp[3009][3009]; int solve(int idx1, int idx2) { if (idx1 >= a.length() || idx2 >= b.length()) return 0; if (dp[idx1][idx2] != -1) return dp[idx1][idx2]; if (a[idx1] == b[idx2]) { dp[idx1][idx2] = solve(idx1 + 1, idx2 + 1) + 1; } else { dp[idx1][idx2] = max(solve(idx1 + 1, idx2), solve(idx1, idx2 + 1)); } return dp[idx1][idx2]; } void build(int idx1, int idx2) { if (idx1 >= a.length() || idx2 >= b.length()) return; if (a[idx1] == b[idx2]) { cout << a[idx1]; idx1++; idx2++; } else if (dp[idx1][idx2] == solve(idx1 + 1, idx2)) { idx1++; } else if (dp[idx1][idx2] == solve(idx1, idx2 + 1)) { idx2++; } build(idx1, idx2); return; } int main() { memset(dp, -1, sizeof(dp)); cin >> a >> b; solve(0, 0); build(0, 0); }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ms(x, t) memset(x, t, sizeof(x)) typedef long long int ll; typedef unsigned long long int ull; const int limit = 3e3 + 1; const int inf = 1e7; int main() { string s, t; cin >> s >> t; int sl = s.length(); int tl = t.length(); int m[sl + 1][tl + 1]; stack<char> st; ms(m, 0); for (int i = 1; i <= sl; i++) { for (int j = 1; j <= tl; j++) { if (s[i - 1] == t[j - 1]) { m[i][j] = 1 + m[i - 1][j - 1]; } else { m[i][j] = max(m[i][j - 1], m[i - 1][j]); } } } int i = sl; int j = tl; for (; i != 0 || j != 0;) { if (m[i][j] == m[i - 1][j - 1] + 1) { st.push(s[i - 1]); i--; j--; } else if (m[i][j] == m[i - 1][j]) { i--; } else { j--; } } while (!st.empty()) { cout << st.top(); st.pop(); } cout << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define ms(x, t) memset(x, t, sizeof(x)) typedef long long int ll; typedef unsigned long long int ull; const int limit = 3e3 + 1; const int inf = 1e7; int main() { string s, t; cin >> s >> t; int sl = s.length(); int tl = t.length(); int m[sl + 1][tl + 1]; stack<char> st; ms(m, 0); for (int i = 1; i <= sl; i++) { for (int j = 1; j <= tl; j++) { if (s[i - 1] == t[j - 1]) { m[i][j] = 1 + m[i - 1][j - 1]; } else { m[i][j] = max(m[i][j - 1], m[i - 1][j]); } } } int i = sl; int j = tl; for (; i != 0 && j != 0;) { if (s[i - 1] == t[j - 1]) { st.push(s[i - 1]); i--; j--; } else if (m[i][j] == m[i - 1][j]) { i--; } else { j--; } } while (!st.empty()) { cout << st.top(); st.pop(); } cout << endl; return 0; }
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