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3 values
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p03165
C++
Runtime Error
#include <algorithm> #include <assert.h> #include <bitset> #include <chrono> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <random> #include <set> #include <stack> #include <string.h> #include <time.h> #include <unordered_map> #include <unordered_set> #include <utility> #define rnd mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #define ll long long #define pb push_back #define mp make_pair #define ff first #define ss second #define FIO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); #define all(x) x.begin(), x.end() #define PII pair<ll, ll> #define N 100007 #define MOD 1000000007 #define INF 1000000000000000000 using namespace std; int dp[3001][3001]; int main() { string s, t, r = ""; cin >> s >> t; for (int i = 0; i <= s.size(); i++) { for (int j = 0; j <= t.size(); 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 - 1][j], dp[i][j - 1]); } } } int i = s.size(), j = t.size(); while (i >= 0 && j >= 0) { if (s[i - 1] == t[j - 1] && dp[i][j] == 1 + dp[i - 1][j - 1]) { r += s[i - 1]; i -= 1; j -= 1; } else if (dp[i][j] == dp[i - 1][j]) { i -= 1; } else { j -= 1; } } reverse(all(r)); cout << r; return 0; }
#include <algorithm> #include <assert.h> #include <bitset> #include <chrono> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <random> #include <set> #include <stack> #include <string.h> #include <time.h> #include <unordered_map> #include <unordered_set> #include <utility> #define rnd mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #define ll long long #define pb push_back #define mp make_pair #define ff first #define ss second #define FIO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); #define all(x) x.begin(), x.end() #define PII pair<ll, ll> #define N 100007 #define MOD 1000000007 #define INF 1000000000000000000 using namespace std; int dp[3001][3001]; int main() { string s, t, r = ""; cin >> s >> t; for (int i = 0; i <= s.size(); i++) { for (int j = 0; j <= t.size(); 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 - 1][j], dp[i][j - 1]); } } } int i = s.size(), j = t.size(); while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1] && dp[i][j] == 1 + dp[i - 1][j - 1]) { r += s[i - 1]; i -= 1; j -= 1; } else if (dp[i][j] == dp[i - 1][j]) { i -= 1; } else { j -= 1; } } reverse(all(r)); cout << r; 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 < (int)(n); i++) typedef long long ll; ll memo[33][33]; int main() { string a, b; cin >> a >> b; for (int i = 0; i <= a.size(); i++) memo[i][0] = 0; for (int j = 0; j <= b.size(); j++) memo[0][j] = 0; for (int i = 1; i <= a.size(); i++) { for (int j = 1; j <= b.size(); j++) { if (a[i - 1] == b[j - 1]) memo[i][j] = memo[i - 1][j - 1] + 1; else memo[i][j] = max(memo[i - 1][j], memo[i][j - 1]); } } string res; int i = a.size(), j = b.size(); while (i > 0 && j > 0) { if (a[i - 1] == b[j - 1]) { res += a[i - 1]; i--; j--; } else if (memo[i - 1][j] > memo[i][j - 1]) i--; else j--; } reverse(res.begin(), res.end()); cout << res << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) typedef long long ll; ll memo[3003][3003]; int main() { string a, b; cin >> a >> b; for (int i = 0; i <= a.size(); i++) memo[i][0] = 0; for (int j = 0; j <= b.size(); j++) memo[0][j] = 0; for (int i = 1; i <= a.size(); i++) { for (int j = 1; j <= b.size(); j++) { if (a[i - 1] == b[j - 1]) memo[i][j] = memo[i - 1][j - 1] + 1; else memo[i][j] = max(memo[i - 1][j], memo[i][j - 1]); } } string res; int i = a.size(), j = b.size(); while (i > 0 && j > 0) { if (a[i - 1] == b[j - 1]) { res += a[i - 1]; i--; j--; } else if (memo[i - 1][j] > memo[i][j - 1]) i--; else j--; } reverse(res.begin(), res.end()); cout << res << endl; return 0; }
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p03165
C++
Runtime Error
#include "bits/stdc++.h" using namespace std; #define pb push_back #define eb emplace_back #define fi first #define se second #define FF first #define SS second #define pii pair<int, int> #define fr(i, a, b) for (int i = a; i <= b; i++) #define sz(x) (int)x.size() #define mp make_pair #define Mod 1000000007 typedef long long int ll; vector<int> dp(100001, 0); vector<int> ans(100001, 0); int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); #endif // dp[i][j] -> i for string s and j for string t string s, t; string ans = ""; cin >> s >> t; int n = s.length(), m = t.length(); int i, j; vector<vector<pii>> dp(n + 1, vector<pii>(m + 1)); for (i = 0; i <= n; i++) dp[i][0] = {0, 0}; for (i = 0; i <= m; i++) dp[0][i] = {0, 0}; for (i = 1; i <= n; i++) { for (j = 1; j <= m; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = {1, dp[i - 1][j - 1].se + 1}; else dp[i][j] = mp(0, max(dp[i][j - 1].se, dp[i - 1][j].se)); // cout<<dp[i][j].se<<" "; } // cout<<"\n"; } // cout<<dp[n][m]<<"\n"; i = n, j = m; while (i > 0 && j > 0) { if (dp[i][j].se == dp[i - 1][j - 1].se + 1 && dp[i][j].fi == 1) { // cout<<j<<"\n"; ans += t[j - 1]; i -= 1; j -= 1; } else if (dp[i][j].se == dp[i - 1][j].se && dp[i][j].fi == 0) i -= 1; else if (dp[i][j].se == dp[i][j - 1].se && dp[i][j].fi == 0) j -= 1; } // cout<<reverse(ans.begin(), ans.end()); // cout<<reverse(ans.begin(), ans.end())<<"\n"; for (i = ans.length() - 1; i >= 0; i--) cout << ans[i]; cout << "\n"; }
#include "bits/stdc++.h" using namespace std; #define pb push_back #define eb emplace_back #define fi first #define se second #define FF first #define SS second #define pii pair<int, int> #define fr(i, a, b) for (int i = a; i <= b; i++) #define sz(x) (int)x.size() #define mp make_pair #define Mod 1000000007 typedef long long int ll; vector<int> dp(100001, 0); vector<int> ans(100001, 0); int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); // #ifndef ONLINE_JUDGE // freopen("input.txt","r",stdin); // #endif // dp[i][j] -> i for string s and j for string t string s, t; string ans = ""; cin >> s >> t; int n = s.length(), m = t.length(); int i, j; vector<vector<pii>> dp(n + 1, vector<pii>(m + 1)); for (i = 0; i <= n; i++) dp[i][0] = {0, 0}; for (i = 0; i <= m; i++) dp[0][i] = {0, 0}; for (i = 1; i <= n; i++) { for (j = 1; j <= m; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = {1, dp[i - 1][j - 1].se + 1}; else dp[i][j] = mp(0, max(dp[i][j - 1].se, dp[i - 1][j].se)); // cout<<dp[i][j].se<<" "; } // cout<<"\n"; } // cout<<dp[n][m]<<"\n"; i = n, j = m; while (i > 0 && j > 0) { if (dp[i][j].se == dp[i - 1][j - 1].se + 1 && dp[i][j].fi == 1) { // cout<<j<<"\n"; ans += t[j - 1]; i -= 1; j -= 1; } else if (dp[i][j].se == dp[i - 1][j].se && dp[i][j].fi == 0) i -= 1; else if (dp[i][j].se == dp[i][j - 1].se && dp[i][j].fi == 0) j -= 1; } // cout<<reverse(ans.begin(), ans.end()); // cout<<reverse(ans.begin(), ans.end())<<"\n"; for (i = ans.length() - 1; i >= 0; i--) cout << ans[i]; cout << "\n"; }
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p03165
C++
Runtime Error
#include <algorithm> #include <iostream> #include <string> using namespace std; string s, t, ans; int dp[3001][3001]; int main() { cin >> s >> t; 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] = dp[i][j] + 1; else dp[i + 1][j + 1] = max(dp[i + 1][j], dp[i][j + 1]); } } for (int i = s.size(); i > 0;) { for (int j = t.size(); 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; }
#include <algorithm> #include <iostream> #include <string> using namespace std; string s, t, ans; int dp[3001][3001]; int main() { cin >> s >> t; 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] = dp[i][j] + 1; else dp[i + 1][j + 1] = max(dp[i + 1][j], dp[i][j + 1]); } } for (int i = s.size(), j = t.size(); 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; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; using namespace std; #define chmax(a, b) a = max(a, b) #define N 310 ll f[N][N]; string s, t; int main() { cin >> s >> t; for (int i = 0; i < N; i++) for (int j = 0; j < N; j++) f[i][j] = 0; for (int i = 1; i <= s.size(); i++) for (int j = 1; j <= t.size(); j++) { if (s[i - 1] == t[j - 1]) chmax(f[i][j], f[i - 1][j - 1] + 1); chmax(f[i][j], f[i - 1][j]); chmax(f[i][j], f[i][j - 1]); } string ans; ll x = s.size(), y = t.size(); // cout<<"#"<<f[x][y]<<endl; while (x > 0 && y > 0) { if (f[x - 1][y - 1] == f[x][y] - 1 && s[x - 1] == t[y - 1]) { ans += s[x - 1]; x--, y--; continue; } if (f[x - 1][y] == f[x][y]) { x--; } else y--; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; using namespace std; #define chmax(a, b) a = max(a, b) #define N 3010 ll f[N][N]; string s, t; int main() { cin >> s >> t; for (int i = 0; i < N; i++) for (int j = 0; j < N; j++) f[i][j] = 0; for (int i = 1; i <= s.size(); i++) for (int j = 1; j <= t.size(); j++) { if (s[i - 1] == t[j - 1]) chmax(f[i][j], f[i - 1][j - 1] + 1); chmax(f[i][j], f[i - 1][j]); chmax(f[i][j], f[i][j - 1]); } string ans; ll x = s.size(), y = t.size(); // cout<<"#"<<f[x][y]<<endl; while (x > 0 && y > 0) { if (f[x - 1][y - 1] == f[x][y] - 1 && s[x - 1] == t[y - 1]) { ans += s[x - 1]; x--, y--; continue; } if (f[x - 1][y] == f[x][y]) { x--; } else y--; } 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; using ll = long long; using pii = pair<int, int>; #define dbg(n) cout << '\n' << #n << " is " << n << '\n'; #define pb push_back #define all(v) v.begin(), v.end() #define cs(i) cout << "Case " << i + 1 << ": " const int sz = 1e3 + 5; const int INF = 1e9 + 5; string a, b, ans; int dp[sz][sz]; void printLCS(int i, int j) { if (i == 0 || j == 0) return; else if (a[i - 1] == b[j - 1]) { ans.pb(a[i - 1]); printLCS(i - 1, j - 1); } else if (dp[i - 1][j] > dp[i][j - 1]) { printLCS(i - 1, j); } else if (dp[i - 1][j] < dp[i][j - 1]) { printLCS(i, j - 1); } else { printLCS(i, j - 1); } } int main() { cin >> a >> b; for (int i = 1; i <= a.size(); i++) { for (int j = 1; j <= b.size(); 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]); } } printLCS(a.size(), b.size()); reverse(all(ans)); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; #define dbg(n) cout << '\n' << #n << " is " << n << '\n'; #define pb push_back #define all(v) v.begin(), v.end() #define cs(i) cout << "Case " << i + 1 << ": " const int sz = 3e3 + 5; const int INF = 1e9 + 5; string a, b, ans; int dp[sz][sz]; void printLCS(int i, int j) { if (i == 0 || j == 0) return; else if (a[i - 1] == b[j - 1]) { ans.pb(a[i - 1]); printLCS(i - 1, j - 1); } else if (dp[i - 1][j] > dp[i][j - 1]) { printLCS(i - 1, j); } else if (dp[i - 1][j] < dp[i][j - 1]) { printLCS(i, j - 1); } else { printLCS(i, j - 1); } } int main() { cin >> a >> b; for (int i = 1; i <= a.size(); i++) { for (int j = 1; j <= b.size(); 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]); } } printLCS(a.size(), b.size()); reverse(all(ans)); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
/*----------------by syr----------------*/ /* ----- ----- ----- | | |---| _/ | | | \_ / ----- | \ ----- |---\ \ / |\ /| | | \_/ | \/ | | | / \ | | |---/ / \ | | */ #include <bits/stdc++.h> using namespace std; #define PH push #define MP make_pair #define PB push_back #define fst first #define snd second #define FOR(i, x, y) for (int i = (x); i < (y); ++i) #define REP(i, x, y) for (int i = (x); i <= (y); ++i) #define x0 x0123456789 #define y0 y0123456789 #define x1 x1234567890 #define y1 y1234567890 #define x2 x2345678901 #define y2 y2345678901 typedef double db; typedef long long ll; typedef long double ldb; typedef pair<int, int> pii; const int INF = 1e9 + 7; const int maxn = 1e3 + 5; int n, m; int dp[maxn][maxn]; char s[maxn], t[maxn]; pii f[maxn][maxn]; vector<char> ans; int main() { scanf("%s%s", s + 1, t + 1); n = strlen(s + 1); m = strlen(t + 1); dp[0][0] = 0; REP(i, 1, n) { REP(j, 1, m) { if (s[i] == t[j]) { dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1); if (dp[i][j] == dp[i - 1][j - 1] + 1) f[i][j] = MP(i - 1, j - 1); } dp[i][j] = max(dp[i][j], dp[i - 1][j]); if (dp[i][j] == dp[i - 1][j]) f[i][j] = MP(i - 1, j); dp[i][j] = max(dp[i][j], dp[i][j - 1]); if (dp[i][j] == dp[i][j - 1]) f[i][j] = MP(i, j - 1); } } int x = n, y = m; while (x || y) { if (f[x][y] == MP(x - 1, y - 1)) ans.PB(s[x]); int nx = f[x][y].fst, ny = f[x][y].snd; x = nx, y = ny; } for (int i = ans.size() - 1; i >= 0; --i) printf("%c", ans[i]); return 0; }
/*----------------by syr----------------*/ /* ----- ----- ----- | | |---| _/ | | | \_ / ----- | \ ----- |---\ \ / |\ /| | | \_/ | \/ | | | / \ | | |---/ / \ | | */ #include <bits/stdc++.h> using namespace std; #define PH push #define MP make_pair #define PB push_back #define fst first #define snd second #define FOR(i, x, y) for (int i = (x); i < (y); ++i) #define REP(i, x, y) for (int i = (x); i <= (y); ++i) #define x0 x0123456789 #define y0 y0123456789 #define x1 x1234567890 #define y1 y1234567890 #define x2 x2345678901 #define y2 y2345678901 typedef double db; typedef long long ll; typedef long double ldb; typedef pair<int, int> pii; const int INF = 1e9 + 7; const int maxn = 3e3 + 5; int n, m; int dp[maxn][maxn]; char s[maxn], t[maxn]; pii f[maxn][maxn]; vector<char> ans; int main() { scanf("%s%s", s + 1, t + 1); n = strlen(s + 1); m = strlen(t + 1); dp[0][0] = 0; REP(i, 1, n) { REP(j, 1, m) { if (s[i] == t[j]) { dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1); if (dp[i][j] == dp[i - 1][j - 1] + 1) f[i][j] = MP(i - 1, j - 1); } dp[i][j] = max(dp[i][j], dp[i - 1][j]); if (dp[i][j] == dp[i - 1][j]) f[i][j] = MP(i - 1, j); dp[i][j] = max(dp[i][j], dp[i][j - 1]); if (dp[i][j] == dp[i][j - 1]) f[i][j] = MP(i, j - 1); } } int x = n, y = m; while (x || y) { if (f[x][y] == MP(x - 1, y - 1)) ans.PB(s[x]); int nx = f[x][y].fst, ny = f[x][y].snd; x = nx, y = ny; } for (int i = ans.size() - 1; i >= 0; --i) printf("%c", ans[i]); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int inf = 1e4 + 5; typedef long long ll; string a, b, c; int len1, len2; int dp[inf][inf]; bool vis[inf][inf]; void str(int i, int j) { if (a[i] == '\0' || b[i] == '\0') { cout << c << endl; return; } if (a[i] == b[j]) { c += a[i]; str(i + 1, j + 1); } else { if (dp[i + 1][j] > dp[i][j + 1]) { str(i + 1, j); } else { str(i, j + 1); } } } int solve(int i, int j) { if (a[i] == '\0' || b[j] == '\0') { return 0; } if (vis[i][j]) return dp[i][j]; int ans = 0; if (a[i] == b[j]) { ans = 1 + solve(i + 1, j + 1); } else { int val1 = solve(i + 1, j); int val2 = solve(i, j + 1); ans = max(val1, val2); } vis[i][j] = 1; dp[i][j] = ans; return dp[i][j]; // return c; } int main() { cin >> a >> b; int k = solve(0, 0); str(0, 0); // cout<<c<<endl; }
#include <bits/stdc++.h> using namespace std; const int inf = 1e4 + 5; typedef long long ll; string a, b, c; int len1, len2; int dp[inf][inf]; bool vis[inf][inf]; void str(int i, int j) { if (a[i] == '\0' || b[j] == '\0') { cout << c << endl; return; } if (a[i] == b[j]) { c += a[i]; str(i + 1, j + 1); } else { if (dp[i + 1][j] > dp[i][j + 1]) { str(i + 1, j); } else { str(i, j + 1); } } } int solve(int i, int j) { if (a[i] == '\0' || b[j] == '\0') { return 0; } if (vis[i][j]) return dp[i][j]; int ans = 0; if (a[i] == b[j]) { ans = 1 + solve(i + 1, j + 1); } else { int val1 = solve(i + 1, j); int val2 = solve(i, j + 1); ans = max(val1, val2); } vis[i][j] = 1; dp[i][j] = ans; return dp[i][j]; // return c; } int main() { cin >> a >> b; int k = solve(0, 0); str(0, 0); // cout<<c<<endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const double pi = acos(-1); const double EPS = 1e-7; const long long mod = 1e6 + 3; #define Hello \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define ll long long #define ld long double #define X real() #define Y imag() #define cross(a, b) (conj(a) * (b)).imag() #define dot(a, b) (conj(a) * (b)).real() #define dist(a, b) (pow(a.X - b.X, 2) + pow(a.Y - b.Y, 2)) typedef tuple<int, int, int> line; typedef complex<double> point; typedef vector<point> polygon; string s, t; ll dp[1000][1000], ans = 0; ll solve(int si, int ti) { if (si >= s.size() || ti >= t.size()) return 0; if (dp[si][ti] != -1) return dp[si][ti]; if (s[si] == t[ti]) ans = 1 + solve(si + 1, ti + 1); else ans = max(solve(si, ti + 1), solve(si + 1, ti)); dp[si][ti] = ans; return ans; } void print(int si, int ti) { if (si >= s.size() || ti >= t.size()) return; if (s[si] == t[ti]) { cout << s[si]; print(si + 1, ti + 1); } else { if (solve(si, ti + 1) >= solve(si + 1, ti)) print(si, ti + 1); else print(si + 1, ti); } return; } int main() { Hello memset(dp, -1, sizeof dp); cin >> s >> t; solve(0, 0); print(0, 0); return 0; }
#include <bits/stdc++.h> using namespace std; const double pi = acos(-1); const double EPS = 1e-7; const long long mod = 1e6 + 3; #define Hello \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define ll long long #define ld long double #define X real() #define Y imag() #define cross(a, b) (conj(a) * (b)).imag() #define dot(a, b) (conj(a) * (b)).real() #define dist(a, b) (pow(a.X - b.X, 2) + pow(a.Y - b.Y, 2)) typedef tuple<int, int, int> line; typedef complex<double> point; typedef vector<point> polygon; string s, t; ll dp[3005][3005], ans = 0; ll solve(int si, int ti) { if (si >= s.size() || ti >= t.size()) return 0; if (dp[si][ti] != -1) return dp[si][ti]; if (s[si] == t[ti]) ans = 1 + solve(si + 1, ti + 1); else ans = max(solve(si, ti + 1), solve(si + 1, ti)); dp[si][ti] = ans; return ans; } void print(int si, int ti) { if (si >= s.size() || ti >= t.size()) return; if (s[si] == t[ti]) { cout << s[si]; print(si + 1, ti + 1); } else { if (solve(si, ti + 1) >= solve(si + 1, ti)) print(si, ti + 1); else print(si + 1, ti); } return; } int main() { Hello memset(dp, -1, sizeof dp); cin >> s >> t; solve(0, 0); print(0, 0); return 0; }
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p03165
Python
Runtime Error
s = input() t = input() dp = [0] lcs = [""] for b in t: search_idx = 0 ncs = lcs.copy() for i, curr_idx in enumerate(dp): char_idx = s.find(b, search_idx) if char_idx == -1: break next_idx = char_idx + 1 if next_idx < curr_idx: dp[i] = next_idx ncs[i] = lcs[i - 1] + b search_idx = curr_idx else: char_idx = s.find(b, search_idx) if char_idx > -1: dp.append(char_idx + 1) ncs.append(lcs[-1] + b) lcs = ncs print(lcs[-1])
s = input() t = input() dp = [0] lcs = [""] for b in t: search_idx = 0 ncs = lcs[:] for i, curr_idx in enumerate(dp): char_idx = s.find(b, search_idx) if char_idx == -1: break next_idx = char_idx + 1 if next_idx < curr_idx: dp[i] = next_idx ncs[i] = lcs[i - 1] + b search_idx = curr_idx else: char_idx = s.find(b, search_idx) if char_idx > -1: dp.append(char_idx + 1) ncs.append(lcs[-1] + b) lcs = ncs print(lcs[-1])
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0
p03165
C++
Runtime Error
#include <algorithm> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <stdlib.h> #include <unordered_map> #include <vector> using namespace std; void solve() { string s, t; cin >> s >> t; int m = s.size(); int n = t.size(); vector<vector<int>> dp(m, vector<int>(n, 0)); vector<vector<vector<int>>> sdp(m, vector<vector<int>>(n, vector<int>(0))); for (int i = 1; i < m + 1; ++i) { for (int j = 1; j < n + 1; ++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 = m; int j = n; while (i && j) { if (s[i - 1] == t[j - 1]) { ans = s[i - 1] + ans; i--; j--; } else { if (dp[i][j - 1] > dp[i - 1][j]) { j--; } else { i--; } } } cout << ans; } int main() { cin.sync_with_stdio(false); cin.tie(nullptr); solve(); }
#include <algorithm> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <stdlib.h> #include <unordered_map> #include <vector> using namespace std; void solve() { string s, t; cin >> s >> t; int m = s.size(); int n = t.size(); vector<vector<int>> dp(m + 1, vector<int>(n + 1, 0)); // vector<vector<vector<int>>> sdp(m, vector<vector<int>>(n, vector<int>(0))); for (int i = 1; i < m + 1; ++i) { for (int j = 1; j < n + 1; ++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 = m; int j = n; while (i && j) { if (s[i - 1] == t[j - 1]) { ans = s[i - 1] + ans; i--; j--; } else { if (dp[i][j - 1] > dp[i - 1][j]) { j--; } else { i--; } } } cout << ans; } int main() { cin.sync_with_stdio(false); cin.tie(nullptr); solve(); }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define pb push_back #define pob pop_back #define pf push_front #define pof pop_front #define nd second #define st first using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using vi = vector<int>; using vl = vector<ll>; using mii = map<int, int>; using si = set<int, int>; using vpi = vector<pii>; using vpl = vector<pll>; const int N = (int)1e3 + 5; int n, m, a, b, c, q, dp[N][N]; vi V; string A, B, wyn; int R(int l, int p) { return rand() % (p - l + 1) + l; } void wczytaj() { cin >> A >> B; A = '#' + A; B = '#' + B; } void solve() { for (int i = 1; i < A.size(); ++i) { for (int j = 1; j < B.size(); 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 i = A.size() - 1, j = B.size() - 1; while (i and j) { if (A[i] == B[j]) { wyn += A[i]; i--; j--; } else if (dp[i - 1][j] == dp[i][j]) { i--; } else j--; } reverse(wyn.begin(), wyn.end()); if (wyn.size() == 0) { cout << ' '; return; } cout << wyn << '\n'; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int ilosc_przypadkow_testowych = 1; // cin>>ilosc_przypadkow_testowych for (int i = 1; i <= ilosc_przypadkow_testowych; ++i) { wczytaj(); solve(); } }
#include <bits/stdc++.h> #define pb push_back #define pob pop_back #define pf push_front #define pof pop_front #define nd second #define st first using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using vi = vector<int>; using vl = vector<ll>; using mii = map<int, int>; using si = set<int, int>; using vpi = vector<pii>; using vpl = vector<pll>; const int N = (int)3e3 + 5; int n, m, a, b, c, q, dp[N][N]; vi V; string A, B, wyn; int R(int l, int p) { return rand() % (p - l + 1) + l; } void wczytaj() { cin >> A >> B; A = '#' + A; B = '#' + B; } void solve() { for (int i = 1; i < A.size(); ++i) { for (int j = 1; j < B.size(); 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 i = A.size() - 1, j = B.size() - 1; while (i and j) { if (A[i] == B[j]) { wyn += A[i]; i--; j--; } else if (dp[i - 1][j] == dp[i][j]) { i--; } else j--; } reverse(wyn.begin(), wyn.end()); if (wyn.size() == 0) { cout << ' '; return; } cout << wyn << '\n'; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int ilosc_przypadkow_testowych = 1; // cin>>ilosc_przypadkow_testowych for (int i = 1; i <= ilosc_przypadkow_testowych; ++i) { wczytaj(); solve(); } }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; string lcs(string a, string b) { int n = a.size(), m = b.size(); vector<vector<int>> X(3000, vector<int>(3000)); vector<vector<int>> Y(3000, vector<int>(3000)); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (a.at(i) == b.at(j)) { X.at(i + 1).at(j + 1) = X.at(i).at(j) + 1; Y.at(i + 1).at(j + 1) = 0; } else if (X.at(i + 1).at(j) < X.at(i).at(j + 1)) { X.at(i + 1).at(j + 1) = X.at(i).at(j + 1); Y.at(i + 1).at(j + 1) = 1; } else { X.at(i + 1).at(j + 1) = X.at(i + 1).at(j); Y.at(i + 1).at(j + 1) = -1; } } } string c; for (int i = n, j = m; i > 0 && j > 0;) { if (Y.at(i).at(j) > 0) { i--; } else if (Y.at(i).at(j) < 0) { j--; } else { c.push_back(a.at(i - 1)); i--; j--; } } reverse(c.begin(), c.end()); return c; } int main() { string S, T; cin >> S >> T; cout << lcs(S, T) << "\n"; }
#include <bits/stdc++.h> using namespace std; string lcs(string a, string b) { int n = a.size(), m = b.size(); vector<vector<int>> X(3001, vector<int>(3001)); vector<vector<int>> Y(3001, vector<int>(3001)); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (a.at(i) == b.at(j)) { X.at(i + 1).at(j + 1) = X.at(i).at(j) + 1; Y.at(i + 1).at(j + 1) = 0; } else if (X.at(i + 1).at(j) < X.at(i).at(j + 1)) { X.at(i + 1).at(j + 1) = X.at(i).at(j + 1); Y.at(i + 1).at(j + 1) = 1; } else { X.at(i + 1).at(j + 1) = X.at(i + 1).at(j); Y.at(i + 1).at(j + 1) = -1; } } } string c; for (int i = n, j = m; i > 0 && j > 0;) { if (Y.at(i).at(j) > 0) { i--; } else if (Y.at(i).at(j) < 0) { j--; } else { c.push_back(a.at(i - 1)); i--; j--; } } reverse(c.begin(), c.end()); return c; } int main() { string S, T; cin >> S >> T; cout << lcs(S, T) << "\n"; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main(void) { string s, t; cin >> s >> t; int lens = s.length(); int lent = t.length(); int dp[lens][lent]; for (int i = 0; i <= lens; i++) { for (int j = 0; j <= lent; 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 - 1][j], dp[i][j - 1]); } } int i = lens; int j = lent; string res = ""; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { res = res + s[i - 1]; i--; j--; } else { if (dp[i - 1][j] == dp[i][j]) i--; else j--; } } reverse(res.begin(), res.end()); cout << res << endl; }
#include <bits/stdc++.h> using namespace std; int main(void) { string s, t; cin >> s >> t; int lens = s.length(); int lent = t.length(); int dp[lens + 1][lent + 1]; for (int i = 0; i <= lens; i++) { for (int j = 0; j <= lent; 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 - 1][j], dp[i][j - 1]); } } int i = lens; int j = lent; string res = ""; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { res = res + s[i - 1]; i--; j--; } else { if (dp[i - 1][j] == dp[i][j]) i--; else j--; } } reverse(res.begin(), res.end()); cout << res << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define ll long long int #define mk make_pair #define pb push_back #define ppb pop_back using namespace std; int dp[3005][3005]; string ans = ""; int main() { ios::sync_with_stdio(false); string s, t; cin >> s >> t; int n = s.size(), m = t.size(); for (int i = 0; i < 3005; i++) dp[i][0] = dp[0][i] = 0; 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; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int i = n, j = m; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ans += s[i - 1]; i--; j--; } else { } if (dp[i][j] == dp[i - 1][j]) i--; else j--; } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
#include <bits/stdc++.h> #define ll long long int #define mk make_pair #define pb push_back #define ppb pop_back using namespace std; int dp[3005][3005]; string ans = ""; int main() { ios::sync_with_stdio(false); string s, t; cin >> s >> t; int n = s.size(), m = t.size(); for (int i = 0; i < 3005; i++) dp[i][0] = dp[0][i] = 0; 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; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } int i = n, j = m; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { ans += s[i - 1]; i--; j--; } else if (dp[i][j] == dp[i - 1][j]) 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; #define fl(i, a, b) for (int i = a; i < b; i++) #define ll long long #define endl '\n' #define pb push_back #define ff first #define ss second #define mod 1000000007 #define mx 200005 #define inf 2e9 #define fast \ ios_base::sync_with_stdio(0); \ cin.tie(NULL); \ cout.tie(NULL); ll dp[3001][3001] = {0}; int main() { fast; string s, t; cin >> s >> t; int n = s.length(), 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; 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]); } } // cout<<dp[n][m]; ll index = dp[n][m]; ll i = n, j = m; char lcs[index + 1]; lcs[index] = '\0'; while (i >= 0 && j >= 0) { if (s[i - 1] == t[j - 1]) { lcs[index - 1] = s[i - 1]; index--; i--, j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } cout << lcs; }
#include <bits/stdc++.h> using namespace std; #define fl(i, a, b) for (int i = a; i < b; i++) #define ll long long #define endl '\n' #define pb push_back #define ff first #define ss second #define mod 1000000007 #define mx 200005 #define inf 2e9 #define fast \ ios_base::sync_with_stdio(0); \ cin.tie(NULL); \ cout.tie(NULL); ll dp[3001][3001] = {0}; int main() { fast; string s, t; cin >> s >> t; int n = s.length(), 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; 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]); } } // cout<<dp[n][m]; ll index = dp[n][m]; ll i = n, j = m; char lcs[index + 1]; lcs[index] = '\0'; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { lcs[index - 1] = s[i - 1]; index--; i--, j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } cout << lcs; }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define int long long int #define mp make_pair using namespace std; string s, t; int dp[3002][3002]; int l1, l2; int fun(int pos1, int pos2) { if (pos1 == l1) { return 0; } if (pos2 == l2) { return 0; } if (s[pos1] == t[pos2]) { dp[pos1][pos2] = 1 + fun(pos1 + 1, pos2 + 1); } else { dp[pos1][pos2] = max(fun(pos1 + 1, pos2), fun(pos1, pos2 + 1)); } return dp[pos1][pos2]; } void path(int i, int j) { if (i == l1) { return; } if (j == l2) { return; } if (s[i] == t[j]) { cout << s[i]; path(i + 1, j + 1); } else { if (dp[i + 1][j] > dp[i][j + 1]) { path(i + 1, j); } else { path(i, j + 1); } } return; } int32_t main() { cin >> s >> t; l1 = s.length(); l2 = t.length(); for (int i = 0; i < 3002; ++i) { for (int j = 0; j < 3002; ++j) { dp[i][j] = -1; } } int ans1 = fun(0, 0); path(0, 0); return 0; }
#include <bits/stdc++.h> #define int long long int #define mp make_pair using namespace std; string s, t; int dp[3002][3002]; int l1, l2; int fun(int pos1, int pos2) { if (pos1 == l1) { return 0; } if (pos2 == l2) { return 0; } if (dp[pos1][pos2] != -1) { return dp[pos1][pos2]; } if (s[pos1] == t[pos2]) { dp[pos1][pos2] = 1 + fun(pos1 + 1, pos2 + 1); } else { dp[pos1][pos2] = max(fun(pos1 + 1, pos2), fun(pos1, pos2 + 1)); } return dp[pos1][pos2]; } void path(int i, int j) { if (i == l1) { return; } if (j == l2) { return; } if (s[i] == t[j]) { cout << s[i]; path(i + 1, j + 1); } else { if (dp[i + 1][j] > dp[i][j + 1]) { path(i + 1, j); } else { path(i, j + 1); } } return; } int32_t main() { cin >> s >> t; l1 = s.length(); l2 = t.length(); for (int i = 0; i < 3002; ++i) { for (int j = 0; j < 3002; ++j) { dp[i][j] = -1; } } int ans1 = fun(0, 0); path(0, 0); return 0; }
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TLE
p03165
C++
Runtime Error
# 1 "f.cpp" # 1 "<built-in>" # 1 "<command-line>" # 1 "f.cpp" # 1 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" 1 # 12 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" # 1 "/home/tysm/dev/cpplib/bin/../stdlib/bits/stdc++.h" 1 #include <bits/stdc++.h> # 13 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" 2 # 1 "/home/tysm/dev/cpplib/bin/../stdlib/ext/pb_ds/assoc_container.hpp" 1 #include <ext/pb_ds/assoc_container.hpp> # 14 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" 2 # 1 "/home/tysm/dev/cpplib/bin/../stdlib/ext/pb_ds/tree_policy.hpp" 1 #include <ext/pb_ds/tree_policy.hpp> # 15 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" 2 using namespace std; using namespace __gnu_pbds; using ii = pair<long long, long long>; using vi = vector<long long>; using vd = vector<long double>; using vb = vector<bool>; using vii = vector<ii>; using vvi = vector<vi>; using vvd = vector<vd>; using vvb = vector<vb>; using vvii = vector<vii>; # 50 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" inline long long mod(const long long n, const long long m = ((long long)1e9 + 7)) { return (n % m + m) % m; } /** * Euclidean GCD. * * Time Complexity: O(log(min(a, b))). * Space Complexity: O(log(min(a, b))). */ long long gcd(const long long a, const long long b) { if (a < 0 or b < 0) return gcd(abs(a), abs(b)); if (a == 0) return b; return gcd(b % a, a); } /** * Euclidean derivated LCM. * * Time Complexity: O(log(min(a, b))). * Space Complexity: O(log(min(a, b))). */ long long lcm(const long long a, const long long b) { // same as a*b/gcd(a, b) but avoiding overflow. return a / gcd(a, b) * b; } # 2 "f.cpp" 2 # 1 "/home/tysm/dev/cpplib/bin/../include/cpplib/string/longest-commom-subsequence.hpp" 1 # 1 "/home/tysm/dev/cpplib/bin/../include/cpplib/array/longest-commom-subsequence.hpp" 1 vi lcs(const vi &a, const vi &b) { long long n = a.size(), m = b.size(); vvi dis(n + 1, vi(m + 1)); for (long long i = 0; i <= n; ++i) { for (long long j = 0; j <= m; ++j) { if (!i or !j) dis[i][j] = max(i, j); else { dis[i][j] = min( {(a[i - 1] == b[j - 1] ? dis[i - 1][j - 1] : ((long long)1e9 + 1)), dis[i][j - 1] + 1, dis[i - 1][j] + 1}); } } } vi res; long long i = n, j = m; while (i or j) { if (a[i - 1] == b[j - 1]) { res.push_back(a[i - 1]); i--; j--; } else if (dis[i - 1][j] <= dis[i][j - 1]) i--; else j--; } reverse(res.begin(), res.end()); return res; } # 4 "/home/tysm/dev/cpplib/bin/../include/cpplib/string/longest-commom-subsequence.hpp" 2 string lcs(const string &a, const string &b) { vi arr_a, arr_b; for (char c : a) arr_a.push_back(c); for (char c : b) arr_b.push_back(c); string res; for (char i : lcs(arr_a, arr_b)) res += i; return res; } # 3 "f.cpp" 2 int32_t main() { (ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL)); string a, b; cin >> a >> b; cout << lcs(a, b) << "\n"; return 0; }
# 1 "f.cpp" # 1 "<built-in>" # 1 "<command-line>" # 1 "f.cpp" # 1 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" 1 # 12 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" # 1 "/home/tysm/dev/cpplib/bin/../stdlib/bits/stdc++.h" 1 #include <bits/stdc++.h> # 13 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" 2 # 1 "/home/tysm/dev/cpplib/bin/../stdlib/ext/pb_ds/assoc_container.hpp" 1 #include <ext/pb_ds/assoc_container.hpp> # 14 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" 2 # 1 "/home/tysm/dev/cpplib/bin/../stdlib/ext/pb_ds/tree_policy.hpp" 1 #include <ext/pb_ds/tree_policy.hpp> # 15 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" 2 using namespace std; using namespace __gnu_pbds; using ii = pair<long long, long long>; using vi = vector<long long>; using vd = vector<long double>; using vb = vector<bool>; using vii = vector<ii>; using vvi = vector<vi>; using vvd = vector<vd>; using vvb = vector<vb>; using vvii = vector<vii>; # 50 "/home/tysm/dev/cpplib/bin/../include/cpplib/stdinc.hpp" inline long long mod(const long long n, const long long m = ((long long)1e9 + 7)) { return (n % m + m) % m; } /** * Euclidean GCD. * * Time Complexity: O(log(min(a, b))). * Space Complexity: O(log(min(a, b))). */ long long gcd(const long long a, const long long b) { if (a < 0 or b < 0) return gcd(abs(a), abs(b)); if (a == 0) return b; return gcd(b % a, a); } /** * Euclidean derivated LCM. * * Time Complexity: O(log(min(a, b))). * Space Complexity: O(log(min(a, b))). */ long long lcm(const long long a, const long long b) { // same as a*b/gcd(a, b) but avoiding overflow. return a / gcd(a, b) * b; } # 2 "f.cpp" 2 # 1 "/home/tysm/dev/cpplib/bin/../include/cpplib/string/longest-commom-subsequence.hpp" 1 # 1 "/home/tysm/dev/cpplib/bin/../include/cpplib/array/longest-commom-subsequence.hpp" 1 vi lcs(const vi &a, const vi &b) { long long n = a.size(), m = b.size(); vvi dis(n + 1, vi(m + 1)); for (long long i = 0; i <= n; ++i) { for (long long j = 0; j <= m; ++j) { if (!i or !j) dis[i][j] = max(i, j); else { dis[i][j] = min( {(a[i - 1] == b[j - 1] ? dis[i - 1][j - 1] : ((long long)1e9 + 1)), dis[i][j - 1] + 1, dis[i - 1][j] + 1}); } } } vi res; long long i = n, j = m; while (i and j) { if (a[i - 1] == b[j - 1]) { res.push_back(a[i - 1]); i--; j--; } else if (dis[i - 1][j] <= dis[i][j - 1]) i--; else j--; } reverse(res.begin(), res.end()); return res; } # 4 "/home/tysm/dev/cpplib/bin/../include/cpplib/string/longest-commom-subsequence.hpp" 2 string lcs(const string &a, const string &b) { vi arr_a, arr_b; for (char c : a) arr_a.push_back(c); for (char c : b) arr_b.push_back(c); string res; for (char i : lcs(arr_a, arr_b)) res += i; return res; } # 3 "f.cpp" 2 int32_t main() { (ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL)); string a, b; cin >> a >> b; cout << lcs(a, b) << "\n"; return 0; }
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p03165
C++
Runtime Error
// shan61916 #include <bits/stdc++.h> using namespace std; #define IOS \ ios::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define endl "\n" typedef long long ll; typedef unsigned long long ull; typedef double dll; ll dp[1010][1010]; string s1, s2, an = ""; ll len; ll recurse(ll id1, ll id2) { if (id1 < 0 or id2 < 0) return 0; if (dp[id1][id2] != -1) return dp[id1][id2]; if (s1[id1] == s2[id2]) { return dp[id1][id2] = 1 + recurse(id1 - 1, id2 - 1); } return dp[id1][id2] = max(recurse(id1 - 1, id2), recurse(id1, id2 - 1)); } void print(ll id1, ll id2) { if (id1 < 0 or id2 < 0) return; ll x = recurse(id1, id2); if (s1[id1] == s2[id2]) { an += s1[id1]; print(id1 - 1, id2 - 1); } else { if (recurse(id1 - 1, id2) == x) print(id1 - 1, id2); else { print(id1, id2 - 1); } } } int main() { IOS #ifdef SHAN freopen("input.txt", "r", stdin); #endif memset(dp, -1, sizeof(dp)); cin >> s1 >> s2; len = recurse((ll)s1.length() - 1, (ll)s2.length() - 1); print((ll)s1.length() - 1, (ll)s2.length() - 1); reverse(an.begin(), an.end()); cout << an; return 0; } // good night.
// shan61916 #include <bits/stdc++.h> using namespace std; #define IOS \ ios::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define endl "\n" typedef long long ll; typedef unsigned long long ull; typedef double dll; ll dp[3010][3010]; string s1, s2, an = ""; ll len; ll recurse(ll id1, ll id2) { if (id1 < 0 or id2 < 0) return 0; if (dp[id1][id2] != -1) return dp[id1][id2]; if (s1[id1] == s2[id2]) { return dp[id1][id2] = 1 + recurse(id1 - 1, id2 - 1); } return dp[id1][id2] = max(recurse(id1 - 1, id2), recurse(id1, id2 - 1)); } void print(ll id1, ll id2) { if (id1 < 0 or id2 < 0) return; ll x = recurse(id1, id2); if (s1[id1] == s2[id2]) { an += s1[id1]; print(id1 - 1, id2 - 1); } else { if (recurse(id1 - 1, id2) == x) print(id1 - 1, id2); else { print(id1, id2 - 1); } } } int main() { IOS #ifdef SHAN freopen("input.txt", "r", stdin); #endif memset(dp, -1, sizeof(dp)); cin >> s1 >> s2; len = recurse((ll)s1.length() - 1, (ll)s2.length() - 1); print((ll)s1.length() - 1, (ll)s2.length() - 1); reverse(an.begin(), an.end()); cout << an; return 0; } // good night.
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ALL(a) (a).begin(), (a).end() #define rALL(a) (a).rbegin(), (a).rend() typedef pair<int, int> Pint; typedef pair<int64_t, int64_t> Pll; int main() { string s, t; cin >> s >> t; vector<vector<int>> dp(s.size() + 1, vector<int>(t.size() + 1)); for (int i = 0; i < s.size(); i++) { for (int j = 0; j < t.size(); j++) { if (s.at(i) == t.at(j)) { dp.at(i + 1).at(j + 1) = dp.at(i).at(j) + 1; } else { if (dp.at(i + 1).at(j) > dp.at(i).at(j + 1)) { dp.at(i + 1).at(j + 1) = dp.at(i + 1).at(j); } else { dp.at(i + 1).at(j + 1) = dp.at(i).at(j + 1); } } } } string ans = ""; int i = s.size(), j = t.size(); while (i != 0 || j != 0) { if (i - 1 >= 0 && j - 1 >= 0 && dp.at(i).at(j) == dp.at(i - 1).at(j - 1) + 1 && s.at(i) == t.at(j)) { i--; j--; ans += s.at(i); } else if (i - 1 >= 0 && dp.at(i).at(j) == dp.at(i - 1).at(j)) { i--; } else if (j - 1 >= 0 && dp.at(i).at(j) == dp.at(i).at(j - 1)) { j--; } } reverse(ALL(ans)); cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define ALL(a) (a).begin(), (a).end() #define rALL(a) (a).rbegin(), (a).rend() typedef pair<int, int> Pint; typedef pair<int64_t, int64_t> Pll; int main() { string s, t; cin >> s >> t; vector<vector<int>> dp(s.size() + 1, vector<int>(t.size() + 1)); for (int i = 0; i < s.size(); i++) { for (int j = 0; j < t.size(); j++) { if (s.at(i) == t.at(j)) { dp.at(i + 1).at(j + 1) = dp.at(i).at(j) + 1; } else { if (dp.at(i + 1).at(j) > dp.at(i).at(j + 1)) { dp.at(i + 1).at(j + 1) = dp.at(i + 1).at(j); } else { dp.at(i + 1).at(j + 1) = dp.at(i).at(j + 1); } } } } string ans = ""; int i = s.size(), j = t.size(); while (i != 0 || j != 0) { if (i - 1 >= 0 && j - 1 >= 0 && dp.at(i).at(j) == dp.at(i - 1).at(j - 1) + 1 && s.at(i - 1) == t.at(j - 1)) { i--; j--; ans += s.at(i); } else if (i - 1 >= 0 && dp.at(i).at(j) == dp.at(i - 1).at(j)) { i--; } else if (j - 1 >= 0 && dp.at(i).at(j) == dp.at(i).at(j - 1)) { j--; } } reverse(ALL(ans)); cout << ans << endl; }
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terminate called after throwing an instance of 'std::out_of_range' what(): basic_string::at: __n (which is 4) >= this->size() (which is 4)
p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define pb push_back string s, t; ll n, m; ll dp[4000][4000], vis[4000][4000]; string ans; ll lcs(ll i, ll j) { if (i >= n or j >= m) return 0; if (vis[i][j]) return dp[i][j]; if (s[i] == t[j]) { dp[i][j] = 1 + lcs(i + 1, j + 1); } else { ll on = lcs(i + 1, j); ll to = lcs(i, j + 1); dp[i][j] = max(on, to); } return dp[i][j]; } void print(ll i, ll j) { if (i >= n or j >= m) { cout << ans << endl; return; } if (s[i] == t[j]) { ans.pb(s[i]); print(i + 1, j + 1); } else { if (dp[i + 1][j] > dp[i][j + 1]) print(i + 1, j); else print(i, j + 1); } } int main() { cin >> s >> t; n = s.size(), m = t.size(); lcs(0, 0); print(0, 0); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define pb push_back string s, t; ll n, m; ll dp[4000][4000], vis[4000][4000]; string ans; ll lcs(ll i, ll j) { if (i >= n or j >= m) return 0; if (vis[i][j]) return dp[i][j]; if (s[i] == t[j]) { dp[i][j] = 1 + lcs(i + 1, j + 1); } else { ll on = lcs(i + 1, j); ll to = lcs(i, j + 1); dp[i][j] = max(on, to); } vis[i][j] = 1; return dp[i][j]; } void print(ll i, ll j) { if (i >= n or j >= m) { cout << ans << endl; return; } if (s[i] == t[j]) { ans.pb(s[i]); print(i + 1, j + 1); } else { if (dp[i + 1][j] > dp[i][j + 1]) print(i + 1, j); else print(i, j + 1); } } int main() { cin >> s >> t; n = s.size(), m = t.size(); lcs(0, 0); print(0, 0); return 0; }
insert
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TLE
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define int long long int #define ld long double #define ff first #define ss second #define mp make_pair #define pb push_back #define endl "\n" #define si set<int> #define vi vector<int> #define pii pair<int, int> #define vpii vector<pii> #define mii map<int, int> #define que_max priority_queue<int> #define que_min priority_queue<int, vi, greater<int>> #define loop(i, s, e) for (int i = s; i < e; i++) #define rloop(i, e, s) for (int i = e; i >= s; i--) #define mset(a, f) memset(a, f, sizeof(a)) #define M 1000000007 #define sz(x) ((int)x.size()) #define all(p) p.begin(), p.end() #define bug(...) __f(#__VA_ARGS__, __VA_ARGS__) #define print(a) \ for (auto x : a) \ cout << x << " "; \ cout << endl #define Print(a, x, y) \ for (int i = x; i < y; i++) \ cout << a[i] << " "; \ cout << endl inline int power(int a, int b) { int x = 1; while (b) { if (b & 1) x *= a; a *= a; b >>= 1; } return x; } template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { cout << name << " : " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); cout.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } const int N = 3e5 + 7; int dp[3005][3005]; void solve() { string s, t; cin >> s >> t; int n1 = s.length(); int n2 = t.length(); s = " " + s; t = " " + t; mset(dp, 0); loop(i, 1, n1 + 1) { loop(j, 1, n2 + 1) { 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]); } } } vector<char> v; int x = n1, y = n2; while (x > 0 and y > 0) { if (s[x] == t[y]) { v.pb(s[x]); x--; y--; } else { if (dp[x][y - 1] > dp[x - 1][y]) y = y - 1; else x = x - 1; } } int cnt = v.size(); rloop(i, cnt - 1, 0) cout << v[i]; return; } int32_t 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 cout << setprecision(9) << fixed; int t = 1; // cin >> t; while (t--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long int #define ld long double #define ff first #define ss second #define mp make_pair #define pb push_back #define endl "\n" #define si set<int> #define vi vector<int> #define pii pair<int, int> #define vpii vector<pii> #define mii map<int, int> #define que_max priority_queue<int> #define que_min priority_queue<int, vi, greater<int>> #define loop(i, s, e) for (int i = s; i < e; i++) #define rloop(i, e, s) for (int i = e; i >= s; i--) #define mset(a, f) memset(a, f, sizeof(a)) #define M 1000000007 #define sz(x) ((int)x.size()) #define all(p) p.begin(), p.end() #define bug(...) __f(#__VA_ARGS__, __VA_ARGS__) #define print(a) \ for (auto x : a) \ cout << x << " "; \ cout << endl #define Print(a, x, y) \ for (int i = x; i < y; i++) \ cout << a[i] << " "; \ cout << endl inline int power(int a, int b) { int x = 1; while (b) { if (b & 1) x *= a; a *= a; b >>= 1; } return x; } template <typename Arg1> void __f(const char *name, Arg1 &&arg1) { cout << name << " : " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char *names, Arg1 &&arg1, Args &&...args) { const char *comma = strchr(names + 1, ','); cout.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } const int N = 3e5 + 7; int dp[3005][3005]; void solve() { string s, t; cin >> s >> t; int n1 = s.length(); int n2 = t.length(); s = " " + s; t = " " + t; mset(dp, 0); loop(i, 1, n1 + 1) { loop(j, 1, n2 + 1) { 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]); } } } vector<char> v; int x = n1, y = n2; while (x > 0 and y > 0) { if (s[x] == t[y]) { v.pb(s[x]); x--; y--; } else { if (dp[x][y - 1] > dp[x - 1][y]) y = y - 1; else x = x - 1; } } int cnt = v.size(); rloop(i, cnt - 1, 0) cout << v[i]; return; } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout << setprecision(9) << fixed; int t = 1; // cin >> t; while (t--) { solve(); } return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define ll long long #define ld long double #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 all(a) (a).begin(), (a).end() #define F first #define S second #define sz(x) (int)x.size() #define endl '\n' #define hell 1000000007 #define mem(x) memset(x, 0, sizeof(x)); #define what_is(x) cerr << #x << " is " << x << endl; #define rep(i, a, b) for (int i = a; i < b; i++) using namespace std; void solve() { string s, t; cin >> s >> t; int n = sz(s); int m = sz(t); int dp[n + 1][m + 1]; rep(i, 0, n + 1) { rep(j, 0, m + 1) { if (i == 0 || j == 0) dp[i][j] = 0; else dp[i][j] = max(dp[i - 1][j - 1] + (int)(s[i - 1] == t[j - 1]), max(dp[i - 1][j], dp[i][j - 1])); } } string ans = ""; int i = n, j = m; while (j > 0 && i > 0) { if (dp[i][j] == dp[i][j - 1]) { j--; } else if (s[i - 1] == t[j - 1]) { ans += t[j - 1]; i--; j--; } else i--; } reverse(all(ans)); cout << ans << endl; } int main() { #ifndef ONLINE_JUDGE // for getting input from input.txt freopen("input.txt", "r", stdin); // for writing output to output.txt freopen("output.txt", "w", stdout); #endif ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t = 1, i = 1; // cin>>t; while (t--) { // cout<<"Case #"<<i++<<": "; solve(); } return 0; }
#include <bits/stdc++.h> #define ll long long #define ld long double #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 all(a) (a).begin(), (a).end() #define F first #define S second #define sz(x) (int)x.size() #define endl '\n' #define hell 1000000007 #define mem(x) memset(x, 0, sizeof(x)); #define what_is(x) cerr << #x << " is " << x << endl; #define rep(i, a, b) for (int i = a; i < b; i++) using namespace std; void solve() { string s, t; cin >> s >> t; int n = sz(s); int m = sz(t); int dp[n + 1][m + 1]; rep(i, 0, n + 1) { rep(j, 0, m + 1) { if (i == 0 || j == 0) dp[i][j] = 0; else dp[i][j] = max(dp[i - 1][j - 1] + (int)(s[i - 1] == t[j - 1]), max(dp[i - 1][j], dp[i][j - 1])); } } string ans = ""; int i = n, j = m; while (j > 0 && i > 0) { if (dp[i][j] == dp[i][j - 1]) { j--; } else if (s[i - 1] == t[j - 1]) { ans += t[j - 1]; i--; j--; } else i--; } reverse(all(ans)); cout << ans << endl; } int main() { // #ifndef ONLINE_JUDGE // // for getting input from input.txt // freopen("input.txt", "r", stdin); // // for writing output to output.txt // freopen("output.txt", "w", stdout); // #endif ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t = 1, i = 1; // cin>>t; while (t--) { // cout<<"Case #"<<i++<<": "; solve(); } return 0; }
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p03165
C++
Runtime Error
#include <algorithm> #include <iostream> #include <vector> #include <stack> using namespace std; using ll = long long; using pii = pair<int, int>; using vi = vector<int>; using vvi = vector<vi>; // #define rep(i,n) for(int i=0;i<(n);++i) #define all(a) (a).begin(), (a).end() #define _overload3(_1, _2, _3, name, ...) name #define _rep(i, n) for (int i = 0; i < (n); ++i) #define repi(i, a, b) for (int i = (a); i < (b); ++i) #define rep(...) _overload3(__VA_ARGS__, repi, _rep, )(__VA_ARGS__) #define _fromto2(i, n) for (int i = 0; i <= (n); ++i) #define _fromto3(i, a, b) for (int i = (a); i <= (b); ++i) #define fromto(...) _overload3(__VA_ARGS__, _fromto3, _fromto2, )(__VA_ARGS__) #define rrep(i, n) for (int i = (n); i >= 0; --i) #define iter(it, v) for (auto it = v.begin(); it != v.end(); ++it) const int MOD = 1e9 + 7; const int INF = 1e9; 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; } // debug template <class T> ostream &operator<<(ostream &os, vector<T> &vec) { os << "{"; for (int i = 0; i < vec.size(); ++i) os << (i ? ", " : "") << vec[i]; os << "}"; return os; } template <class T1, class T2> ostream &operator<<(ostream &out, const pair<T1, T2> &rhs) { out << "(" << rhs.first << ", " << rhs.second << ")"; return out; } #include <type_traits> template < typename T, size_t SIZE, enable_if_t<!is_same<remove_cv_t<T>, char>::value, nullptr_t> = nullptr> ostream &operator<<(ostream &os, T (&arr)[SIZE]) { os << "{"; for (size_t i = 0; i < SIZE; ++i) os << (i ? ", " : "") << arr[i]; os << "}"; return os; } #ifdef LOCAL #define debug(v) cerr << v << "\n" #else #define debug(...) 42 #endif int main() { string s, t; cin >> s >> t; int N = s.size(), M = t.size(); int dp[N + 1][M + 1]; rep(i, N + 1) rep(j, M + 1) dp[i][j] = 0; rep(i, N) rep(j, M) { if (s[i] == t[j]) dp[i + 1][j + 1] = 1 + dp[i][j]; else dp[i + 1][j + 1] = max(dp[i][j + 1], max(dp[i + 1][j], dp[i][j])); } stack<char> st; int lcs = dp[N][M]; int m = M; rrep(i, N) { if (dp[i][m] == lcs - 1) { st.push(s[i]); while (dp[i][m] == lcs - 1) --m; ++m; --lcs; } } while (!st.empty()) { cout << st.top(); st.pop(); } cout << endl; return 0; }
#include <algorithm> #include <iostream> #include <vector> #include <stack> using namespace std; using ll = long long; using pii = pair<int, int>; using vi = vector<int>; using vvi = vector<vi>; // #define rep(i,n) for(int i=0;i<(n);++i) #define all(a) (a).begin(), (a).end() #define _overload3(_1, _2, _3, name, ...) name #define _rep(i, n) for (int i = 0; i < (n); ++i) #define repi(i, a, b) for (int i = (a); i < (b); ++i) #define rep(...) _overload3(__VA_ARGS__, repi, _rep, )(__VA_ARGS__) #define _fromto2(i, n) for (int i = 0; i <= (n); ++i) #define _fromto3(i, a, b) for (int i = (a); i <= (b); ++i) #define fromto(...) _overload3(__VA_ARGS__, _fromto3, _fromto2, )(__VA_ARGS__) #define rrep(i, n) for (int i = (n); i >= 0; --i) #define iter(it, v) for (auto it = v.begin(); it != v.end(); ++it) const int MOD = 1e9 + 7; const int INF = 1e9; 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; } // debug template <class T> ostream &operator<<(ostream &os, vector<T> &vec) { os << "{"; for (int i = 0; i < vec.size(); ++i) os << (i ? ", " : "") << vec[i]; os << "}"; return os; } template <class T1, class T2> ostream &operator<<(ostream &out, const pair<T1, T2> &rhs) { out << "(" << rhs.first << ", " << rhs.second << ")"; return out; } #include <type_traits> template < typename T, size_t SIZE, enable_if_t<!is_same<remove_cv_t<T>, char>::value, nullptr_t> = nullptr> ostream &operator<<(ostream &os, T (&arr)[SIZE]) { os << "{"; for (size_t i = 0; i < SIZE; ++i) os << (i ? ", " : "") << arr[i]; os << "}"; return os; } #ifdef LOCAL #define debug(v) cerr << v << "\n" #else #define debug(...) 42 #endif int main() { string s, t; cin >> s >> t; int N = s.size(), M = t.size(); int dp[N + 1][M + 1]; rep(i, N + 1) rep(j, M + 1) dp[i][j] = 0; rep(i, N) rep(j, M) { if (s[i] == t[j]) dp[i + 1][j + 1] = 1 + dp[i][j]; else dp[i + 1][j + 1] = max(dp[i][j + 1], max(dp[i + 1][j], dp[i][j])); } stack<char> st; int lcs = dp[N][M]; int m = M; rrep(i, N) { if (dp[i][m] == lcs - 1) { st.push(s[i]); while (m >= 0 && dp[i][m] == lcs - 1) --m; ++m; --lcs; } } while (!st.empty()) { cout << st.top(); st.pop(); } cout << endl; return 0; }
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p03165
C++
Time Limit Exceeded
/////////////////////////////////TEST CASES//////////////////////////////////// /* */ /////////////////////////////////////CODE////////////////////////////////////// #include <bits/stdc++.h> using namespace std; #define FOR(i, a, b) for (ll i = (a); i < (b); i++) #define FORD(i, a, b) for (ll i = a; i > b; i--) #define fastio ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); #define PI 3.14159265 typedef long long ll; #define vl vector<ll> #define IN(inp) \ ll inp; \ cin >> inp; #define pb push_back #define all(a) a.begin(), a.end() #define FR(i, a) for (auto i : a) #define what(A) cout << #A << " is " << A << endl; ll MAX = 100000000000; ll MOD = 1000000007; string s, t, ans = ""; ll dp[3010][3010], vis[3001][3001]; ll check(ll pos1, ll pos2) { if (vis[pos1][pos2]) return dp[pos1][pos2]; vis[pos1][pos2] = 1; if (pos1 == s.length() or pos2 == t.length()) return 0; if (s[pos1] == t[pos2]) { dp[pos1][pos2] += 1 + check(pos1 + 1, pos2 + 1); } else dp[pos1][pos2] += max(check(pos1 + 1, pos2), max(check(pos1, pos2 + 1), check(pos1 + 1, pos2 + 1))); return dp[pos1][pos2]; } void solve() { cin >> s >> t; check(0, 0); ll i = 1, j = 1; while (i <= s.length() and j <= t.length()) { // what(i) if (dp[i][j] + 1 == dp[i - 1][j - 1] and s[i - 1] == t[j - 1]) { ans += s[i - 1]; i++, j++; } else if (dp[i - 1][j] == dp[i][j]) i++; else if ((dp[i][j - 1] == dp[i][j])) j++; } // reverse(all(ans)); cout << ans; } int main() { fastio // freopen("input.txt", "rt", stdin); // freopen("output.txt", "wt", stdout); ll test = 1; // cin >> test; while (test--) { solve(); } }
/////////////////////////////////TEST CASES//////////////////////////////////// /* */ /////////////////////////////////////CODE////////////////////////////////////// #include <bits/stdc++.h> using namespace std; #define FOR(i, a, b) for (ll i = (a); i < (b); i++) #define FORD(i, a, b) for (ll i = a; i > b; i--) #define fastio ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); #define PI 3.14159265 typedef long long ll; #define vl vector<ll> #define IN(inp) \ ll inp; \ cin >> inp; #define pb push_back #define all(a) a.begin(), a.end() #define FR(i, a) for (auto i : a) #define what(A) cout << #A << " is " << A << endl; ll MAX = 100000000000; ll MOD = 1000000007; string s, t, ans = ""; ll dp[3010][3010], vis[3001][3001]; ll check(ll pos1, ll pos2) { if (vis[pos1][pos2]) return dp[pos1][pos2]; vis[pos1][pos2] = 1; if (pos1 == s.length() or pos2 == t.length()) return 0; if (s[pos1] == t[pos2]) { dp[pos1][pos2] += 1 + check(pos1 + 1, pos2 + 1); } else dp[pos1][pos2] += max(check(pos1 + 1, pos2), max(check(pos1, pos2 + 1), check(pos1 + 1, pos2 + 1))); return dp[pos1][pos2]; } void solve() { cin >> s >> t; check(0, 0); ll i = 1, j = 1; while (i <= s.length() and j <= t.length()) { // what(i) if (dp[i][j] + 1 == dp[i - 1][j - 1] and s[i - 1] == t[j - 1]) { ans += s[i - 1]; i++, j++; } else if (dp[i - 1][j] == dp[i][j]) i++; else j++; } // reverse(all(ans)); cout << ans; } int main() { fastio // freopen("input.txt", "rt", stdin); // freopen("output.txt", "wt", stdout); ll test = 1; // cin >> test; while (test--) { solve(); } }
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TLE
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define debug(a) cout << #a << ":" << a << endl; const int INF = 0x3f3f3f3f; const int N = 1e6 + 7; const int mod = 1e9 + 7; int maxn, minn; int T, n; string s1, s2; int len1, len2; int dp[4010][4010]; int main() { cin >> s1 >> s2; len1 = s1.size(); len2 = s2.size(); for (int i = 1; i <= len1; i++) { for (int j = 1; j <= len2; j++) { 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 s = ""; int i = len1, j = len2; while (i + j > 2) { if (dp[i][j] == dp[i - 1][j - 1] + 1) { s += s1[i - 1]; i--, j--; } else { if (dp[i][j] == dp[i - 1][j]) { i--; } else { j--; } } } reverse(s.begin(), s.end()); cout << s << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define debug(a) cout << #a << ":" << a << endl; const int INF = 0x3f3f3f3f; const int N = 1e6 + 7; const int mod = 1e9 + 7; int maxn, minn; int T, n; string s1, s2; int len1, len2; int dp[4010][4010]; int main() { cin >> s1 >> s2; len1 = s1.size(); len2 = s2.size(); for (int i = 1; i <= len1; i++) { for (int j = 1; j <= len2; j++) { 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 s = ""; int i = len1, j = len2; while (i != 0 && j != 0) { if (s1[i - 1] == s2[j - 1]) { s += s1[i - 1]; i--, j--; } else { if (dp[i][j] == dp[i - 1][j]) { i--; } else { j--; } } } reverse(s.begin(), s.end()); cout << s << endl; return 0; }
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p03165
C++
Runtime Error
#include <cstring> #include <iostream> using namespace std; char s[3001], t[3001]; int n, m, i, j, a[3001][3001]; int main() { cin >> s >> t; n = strlen(s); m = strlen(t); for (i = n; i > 0; i--) { for (j = m; j > 0; j--) { if (s[i - 1] == t[j - 1]) { a[i][j] = a[i + 1][j + 1] + 1; } else a[i][j] = max(a[i][j + 1], a[i + 1][j]); } } i = 1, j = 1; while (i <= n && j <= m) { if (s[i - 1] == t[j - 1]) { cout << s[i - 1]; i++, j++; } else { if (a[i + 1][j] > a[i][j + 1]) { i++; } else j++; } } return 0; }
#include <cstring> #include <iostream> using namespace std; char s[3003], t[3003]; int n, m, i, j, a[3003][3003]; int main() { cin >> s >> t; n = strlen(s); m = strlen(t); for (i = n; i > 0; i--) { for (j = m; j > 0; j--) { if (s[i - 1] == t[j - 1]) { a[i][j] = a[i + 1][j + 1] + 1; } else a[i][j] = max(a[i][j + 1], a[i + 1][j]); } } i = 1, j = 1; while (i <= n && j <= m) { if (s[i - 1] == t[j - 1]) { cout << s[i - 1]; i++, j++; } else { if (a[i + 1][j] > a[i][j + 1]) { i++; } else j++; } } return 0; }
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0
p03165
C++
Runtime Error
// https://atcoder.jp/contests/dp/tasks/dp_f // shauryakr #include <bits/stdc++.h> using namespace std; string a, b; int dp[3005][3005]; void solve() { 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][j - 1], dp[i - 1][j]); } } } // for(int i=0; i<=b.length(); i++) // { // for(int j=0; j<=a.length(); j++) // { // cout << dp[j][i] << " "; // } // cout << endl; // } int i = a.length(), j = b.length(); string subseq = ""; 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 { subseq = subseq + a[i - 1]; i--; j--; } } reverse(subseq.begin(), subseq.end()); cout << subseq << endl; } int main() { cin >> a >> b; solve(); return 0; }
// https://atcoder.jp/contests/dp/tasks/dp_f // shauryakr #include <bits/stdc++.h> using namespace std; string a, b; int dp[3005][3005]; void solve() { 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][j - 1], dp[i - 1][j]); } } } // for(int i=0; i<=b.length(); i++) // { // for(int j=0; j<=a.length(); j++) // { // cout << dp[j][i] << " "; // } // cout << endl; // } int i = a.length(), j = b.length(); string subseq = ""; 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 { subseq = subseq + a[i - 1]; i--; j--; } } reverse(subseq.begin(), subseq.end()); cout << subseq << endl; } int main() { cin >> a >> b; solve(); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { long long int i, j, n, m, dp[10000][10000]; string s, t, str; cin >> s; cin >> t; n = s.size(); m = t.size(); for (i = 0; i <= n; i++) { for (j = 0; j <= m; j++) { if (i == 0 || j == 0) dp[i][j] = 0; } } for (i = 1; i <= n; i++) { for (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]); } } i = s.size(); j = t.size(); while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { str.push_back(s[i - 1]); i--; j--; } else { if (dp[i][j - 1] > dp[i - 1][j]) j--; else i--; } } n = str.size(); for (i = n - 1; i >= 0; i--) cout << str[i]; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { long long int i, j, n, m, dp[3003][3003]; string s, t, str; cin >> s; cin >> t; n = s.size(); m = t.size(); for (i = 0; i <= n; i++) { for (j = 0; j <= m; j++) { if (i == 0 || j == 0) dp[i][j] = 0; } } for (i = 1; i <= n; i++) { for (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]); } } i = s.size(); j = t.size(); while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { str.push_back(s[i - 1]); i--; j--; } else { if (dp[i][j - 1] > dp[i - 1][j]) j--; else i--; } } n = str.size(); for (i = n - 1; i >= 0; i--) cout << str[i]; return 0; }
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-11
p03165
C++
Runtime Error
#include <bits/stdc++.h> #include <functional> #include <stdio.h> using namespace std; #define ll int #define dd long double #define pb push_back #define pf push_front #define pi pair<ll, ll> #define vi vector<ll> #define vpi vector<pi> #define mi map<ll, ll> #define vvi vector<vector<ll>> #define mpi map<pi, ll> #define pipi pair<ll, pair<ll, ll>> #define all(a) (a).begin(), (a).end() #define rall(a) (a).rbegin(), (a).rend() #define x first #define y second #define sz(x) (ll) x.size() #define g endl #define PI 3.141592653589 #define bs(v, n) binary_search(all((v)), (n)) #define lb(v, n) lower_bound(all((v)), (n)) #define ub(v, n) upper_bound(all((v)), (n)) #define fo(i, l, u) for (i = l; i < u; i++) #define rfo(i, l, u) for (i = l; i >= u; i--) #define rf(s) for (auto &c : s) #define allfo(s) \ for (auto it = (s).begin(); it != (s).end(); it++) // use Iterator #define tezz \ ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define M 998244353 #define ef else if #define yes cout << "YES" << endl; #define no cout << "NO" << endl; #define C continue; #define wa(args...) \ { \ string _s = #args; \ replace(_s.begin(), _s.end(), ',', ' '); \ stringstream _ss(_s); \ istream_iterator<string> _it(_ss); \ err(_it, args); \ } void err(istream_iterator<string> it) {} template <typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << endl; err(++it, args...); } #define debug(vec) \ cout << (#vec) << ": "; \ for (auto &i : vec) \ cout << i << " "; \ cout << endl #define debugp(vec) \ cout << (#vec) << ": "; \ for (auto &i : vec) \ cout << i.x << "," << i.y << " | "; \ cout << endl const ll N = 1e5 + 5; #include <ext/pb_ds/assoc_container.hpp> //common file #include <ext/pb_ds/detail/standard_policies.hpp> #include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update using namespace __gnu_pbds; typedef tree<pi, null_type, less<pi>, rb_tree_tag, tree_order_statistics_node_update> pbds; #define fbo find_by_order #define ook order_of_key // const ll inf=1e17+7; /* template<class T> T big(T a, T b) { return a>b ? a : b; }*/ ll gcd(ll a, ll b) { if (a == 0) return b; return gcd(b % a, a); } /* ll lcm(ll a, ll b) { return (a*b)/gcd(a,b); } bool M(double a,double b) {return a/b - floor(a/b);} ll occurs(vi v,ll n) { auto it=lb(v,n);auto it1=ub(v,n);ll x=it1-it;return x;} ll logb(ll base, ll x) {return (log(x) / log(base));}*/ ll power(ll x, ll y) { ll res = 1; // Initialize result x %= M; if (x == 0) return 0; while (y > 0) { // If y is odd, multiply x with result if (y & 1) res = (res * x) % M; // y must be even now y = y >> 1; // y = y/2 x = (x * x) % M; // Change x to x^2 } return res; } /* ll factors(ll ans){ ll count=0; for (ll i=1; i<=sqrt(ans); i++) { if (ans%i == 0) {if (ans/i == i) count++; else count+=2;} } return count; } bool isSubSequence(string str1, string str2, ll m, ll n) // str1<str2 { if (m == 0) return true; if (n == 0) return false; if (str1[m-1] == str2[n-1]) return isSubSequence(str1, str2, m-1, n-1); return isSubSequence(str1, str2, m, n-1); } bool search(int x[], int n, int k) { int p = 0; for (int a = n; a >= 1; a /= 2) { while (p+a < n && x[p+a] <= k) p += a; } return x[p] == k; } */ string s, t2; ll t1[3001][3001]; ll solve(ll n, ll m) { if (n == -1 || m == -1) return 0; if (t1[n][m] != -1) return t1[n][m]; if (s[n] == t2[m]) return t1[n][m] = 1 + solve(n - 1, m - 1); return t1[n][m] = max(solve(n - 1, m), solve(n, m - 1)); } signed main() { tezz ll t = 1; // cin>>t; while (t--) { ll i, j; cin >> s >> t2; ll n = s.length(); ll m = t2.length(); fo(i, 0, 3001) { fo(j, 0, 3001) { t1[i][j] = -1; } } string s1 = ""; ll ans = solve(n - 1, m - 1); i = n - 1, j = m - 1; while (1) { if (s[i] == t2[j]) { s1 += s[i]; i--; j--; } else { if (t1[i - 1][j] > t1[i][j - 1]) { if (i > 0) i--; else j--; } else { if (j > 0) j--; else i--; } } if (i < 0 || j < 0) break; } rfo(i, s1.length() - 1, 0) { cout << s1[i]; } cout << g; } return 0; }
#include <bits/stdc++.h> #include <functional> #include <stdio.h> using namespace std; #define ll int #define dd long double #define pb push_back #define pf push_front #define pi pair<ll, ll> #define vi vector<ll> #define vpi vector<pi> #define mi map<ll, ll> #define vvi vector<vector<ll>> #define mpi map<pi, ll> #define pipi pair<ll, pair<ll, ll>> #define all(a) (a).begin(), (a).end() #define rall(a) (a).rbegin(), (a).rend() #define x first #define y second #define sz(x) (ll) x.size() #define g endl #define PI 3.141592653589 #define bs(v, n) binary_search(all((v)), (n)) #define lb(v, n) lower_bound(all((v)), (n)) #define ub(v, n) upper_bound(all((v)), (n)) #define fo(i, l, u) for (i = l; i < u; i++) #define rfo(i, l, u) for (i = l; i >= u; i--) #define rf(s) for (auto &c : s) #define allfo(s) \ for (auto it = (s).begin(); it != (s).end(); it++) // use Iterator #define tezz \ ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define M 998244353 #define ef else if #define yes cout << "YES" << endl; #define no cout << "NO" << endl; #define C continue; #define wa(args...) \ { \ string _s = #args; \ replace(_s.begin(), _s.end(), ',', ' '); \ stringstream _ss(_s); \ istream_iterator<string> _it(_ss); \ err(_it, args); \ } void err(istream_iterator<string> it) {} template <typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << endl; err(++it, args...); } #define debug(vec) \ cout << (#vec) << ": "; \ for (auto &i : vec) \ cout << i << " "; \ cout << endl #define debugp(vec) \ cout << (#vec) << ": "; \ for (auto &i : vec) \ cout << i.x << "," << i.y << " | "; \ cout << endl const ll N = 1e5 + 5; #include <ext/pb_ds/assoc_container.hpp> //common file #include <ext/pb_ds/detail/standard_policies.hpp> #include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update using namespace __gnu_pbds; typedef tree<pi, null_type, less<pi>, rb_tree_tag, tree_order_statistics_node_update> pbds; #define fbo find_by_order #define ook order_of_key // const ll inf=1e17+7; /* template<class T> T big(T a, T b) { return a>b ? a : b; }*/ ll gcd(ll a, ll b) { if (a == 0) return b; return gcd(b % a, a); } /* ll lcm(ll a, ll b) { return (a*b)/gcd(a,b); } bool M(double a,double b) {return a/b - floor(a/b);} ll occurs(vi v,ll n) { auto it=lb(v,n);auto it1=ub(v,n);ll x=it1-it;return x;} ll logb(ll base, ll x) {return (log(x) / log(base));}*/ ll power(ll x, ll y) { ll res = 1; // Initialize result x %= M; if (x == 0) return 0; while (y > 0) { // If y is odd, multiply x with result if (y & 1) res = (res * x) % M; // y must be even now y = y >> 1; // y = y/2 x = (x * x) % M; // Change x to x^2 } return res; } /* ll factors(ll ans){ ll count=0; for (ll i=1; i<=sqrt(ans); i++) { if (ans%i == 0) {if (ans/i == i) count++; else count+=2;} } return count; } bool isSubSequence(string str1, string str2, ll m, ll n) // str1<str2 { if (m == 0) return true; if (n == 0) return false; if (str1[m-1] == str2[n-1]) return isSubSequence(str1, str2, m-1, n-1); return isSubSequence(str1, str2, m, n-1); } bool search(int x[], int n, int k) { int p = 0; for (int a = n; a >= 1; a /= 2) { while (p+a < n && x[p+a] <= k) p += a; } return x[p] == k; } */ string s, t2; ll t1[3001][3001]; ll solve(ll n, ll m) { if (n == -1 || m == -1) return 0; if (t1[n][m] != -1) return t1[n][m]; if (s[n] == t2[m]) return t1[n][m] = 1 + solve(n - 1, m - 1); return t1[n][m] = max(solve(n - 1, m), solve(n, m - 1)); } signed main() { tezz ll t = 1; // cin>>t; while (t--) { ll i, j; cin >> s >> t2; ll n = s.length(); ll m = t2.length(); fo(i, 0, 3001) { fo(j, 0, 3001) { t1[i][j] = -1; } } string s1 = ""; ll ans = solve(n - 1, m - 1); i = n - 1, j = m - 1; while (1) { if (s[i] == t2[j]) { s1 += s[i]; i--; j--; } else { if (i == 0) j--; else if (j == 0) i--; else if (t1[i - 1][j] > t1[i][j - 1]) { if (i > 0) i--; else j--; } else { if (j > 0) j--; else i--; } } if (i < 0 || j < 0) break; } rfo(i, s1.length() - 1, 0) { cout << s1[i]; } cout << g; } return 0; }
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p03165
C++
Runtime Error
#include <iostream> #include <string> #include <vector> using namespace std; int len(string &s, string &t, int i, int j, vector<vector<int>> &dp) { if (i >= s.length() || j >= t.length()) { return 0; } if (dp[i][j] != -1) { return dp[i][j]; } if (s[i] == t[j]) { return dp[i][j] = 1 + len(s, t, i + 1, j + 1, dp); } else { int option1 = len(s, t, i + 1, j, dp); int option2 = len(s, t, i, j + 1, dp); return dp[i][j] = max(option1, option2); } } string get_lcs(string &s, string &t, int l, vector<vector<int>> &dp) { string str; str.reserve(l); int i = 0, j = 0; while (l > 0) { if (s[i] == t[j]) { str.push_back(s[i]); ++i; ++j; --l; } else { if (dp[i + 1][j] > dp[i][j + 1]) { ++i; } else { ++j; } } } return str; } int main() { string s, t; cin >> s >> t; int n = s.length(); int m = t.length(); vector<vector<int>> dp(n, vector<int>(m, -1)); int l = len(s, t, 0, 0, dp); cout << get_lcs(s, t, l, dp); return 0; }
#include <iostream> #include <string> #include <vector> using namespace std; int len(string &s, string &t, int i, int j, vector<vector<int>> &dp) { if (i >= s.length() || j >= t.length()) { return 0; } if (dp[i][j] != -1) { return dp[i][j]; } if (s[i] == t[j]) { return dp[i][j] = 1 + len(s, t, i + 1, j + 1, dp); } else { int option1 = len(s, t, i + 1, j, dp); int option2 = len(s, t, i, j + 1, dp); return dp[i][j] = max(option1, option2); } } string get_lcs(string &s, string &t, int l, vector<vector<int>> &dp) { string str; str.reserve(l); int i = 0, j = 0; while (l > 0) { if (s[i] == t[j]) { str.push_back(s[i]); ++i; ++j; --l; } else { if (dp[i + 1][j] > dp[i][j + 1]) { ++i; } else { ++j; } } } return str; } int main() { string s, t; cin >> s >> t; int n = s.length(); int m = t.length(); vector<vector<int>> dp(n + 1, vector<int>(m + 1, -1)); int l = len(s, t, 0, 0, dp); cout << get_lcs(s, t, l, dp); return 0; }
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p03165
C++
Runtime Error
/******************************** *** ******** ********** ********* *** * ****** ********* * ******** *** ** ***** ******** *** ******* *** *** **** ******* ***** ****** *** **** *** ****** ******* ***** *** ***** ** ***** +++++++++ **** *** ****** * **** *********** *** *** ******* *** ************* ** *** ******** ** *************** * **********_********************** * | / / \ \ / /\ * * | / | | \ / / \ * * | / | | \ / / \ * * |+\ | | | /______\ * * | \ | | | | | * * | \ \_/ | | | * ********************************/ #include <bits/stdc++.h> #define lli long long int #define MOD 1000000007 #define KING 1000000002 #define queen 1000002 #define fi first #define se second #define se second #define lsb(i) (i & -i) #define Pi 3.141592653589793238 #define nl cout << '\n' #define TEST cout << "TEST", nl #define all(a) a.begin(), a.end() #define remax(a, b) (a = ((a < b) ? b : a)) #define remin(a, b) (a = ((a < b) ? a : b)) #define pr pair<lli, lli> #define pb push_back #define eb emplace_back #define precise(a) cout << fixed << setprecision(a) #define mp make_pair #define vi vector<lli> #define vpi vector<pr> #define P pair<lli, pr> #define fastIO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL) #define NA(i, s, n) for (lli i = s; i < n; i++) using namespace std; lli power(lli x, lli y, lli p) { lli res = 1; x = x % p; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x = (x * x) % p; } return res; } const lli N = 3e3 + 2; lli dp[N][N], n, m; string s, t; void solve() { cin >> s >> t; n = s.size(), m = t.size(); memset(dp, 0, sizeof dp); NA(i, 1, n + 1) { NA(j, 1, m + 1) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (s[i - 1] == t[j - 1]) { remax(dp[i][j], dp[i - 1][j - 1] + 1); } } } string res = ""; if (!dp[n][m]) { cout << res; return; } lli i = n, j = m; while (i > 0 || j > 0) { if (dp[i][j] == dp[i - 1][j - 1] + 1 && s[i - 1] == t[j - 1]) res += s[i - 1], --i, --j; else if (dp[i][j - 1] == dp[i][j]) --j; else --i; } reverse(all(res)); cout << res; return; } int main() { fastIO; lli t = 1; // cin>>t; NA(i, 0, t) { solve(); } return 0; }
/******************************** *** ******** ********** ********* *** * ****** ********* * ******** *** ** ***** ******** *** ******* *** *** **** ******* ***** ****** *** **** *** ****** ******* ***** *** ***** ** ***** +++++++++ **** *** ****** * **** *********** *** *** ******* *** ************* ** *** ******** ** *************** * **********_********************** * | / / \ \ / /\ * * | / | | \ / / \ * * | / | | \ / / \ * * |+\ | | | /______\ * * | \ | | | | | * * | \ \_/ | | | * ********************************/ #include <bits/stdc++.h> #define lli long long int #define MOD 1000000007 #define KING 1000000002 #define queen 1000002 #define fi first #define se second #define se second #define lsb(i) (i & -i) #define Pi 3.141592653589793238 #define nl cout << '\n' #define TEST cout << "TEST", nl #define all(a) a.begin(), a.end() #define remax(a, b) (a = ((a < b) ? b : a)) #define remin(a, b) (a = ((a < b) ? a : b)) #define pr pair<lli, lli> #define pb push_back #define eb emplace_back #define precise(a) cout << fixed << setprecision(a) #define mp make_pair #define vi vector<lli> #define vpi vector<pr> #define P pair<lli, pr> #define fastIO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL) #define NA(i, s, n) for (lli i = s; i < n; i++) using namespace std; lli power(lli x, lli y, lli p) { lli res = 1; x = x % p; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x = (x * x) % p; } return res; } const lli N = 3e3 + 2; lli dp[N][N], n, m; string s, t; void solve() { cin >> s >> t; n = s.size(), m = t.size(); memset(dp, 0, sizeof dp); NA(i, 1, n + 1) { NA(j, 1, m + 1) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (s[i - 1] == t[j - 1]) { remax(dp[i][j], dp[i - 1][j - 1] + 1); } } } string res = ""; if (!dp[n][m]) { cout << res; return; } lli i = n, j = m; while (i > 0 && j > 0) { if (dp[i][j] == dp[i - 1][j - 1] + 1 && s[i - 1] == t[j - 1]) res += s[i - 1], --i, --j; else if (dp[i][j - 1] == dp[i][j]) --j; else --i; } reverse(all(res)); cout << res; return; } int main() { fastIO; lli t = 1; // cin>>t; NA(i, 0, t) { solve(); } return 0; }
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p03165
C++
Runtime Error
/** * author: bholuakku **/ #include <bits/stdc++.h> #define For(i, a, b) for (i = (a); i < (b); i++) #define rep(i, n) for (i = 0; i < (n); i++) #define Nfor(i, a, b) for (i = (a)-1; i >= (b); i--) #define dep(i, n) for (i = (n - 1); i >= 0; i--) #define mp make_pair #define pb push_back #define Auto(a) for (auto &val : a) #define X first #define Y second #define MOD 1000000007 #define MOD1 998244353 #define iterate(A, i) for (auto i = A.begin(); i != A.end(); i++) #define mset(A, val, n) memset(A, val, n * sizeof(int)) #define Endl cout << "\n" #define Test cout << "Hello\n" using namespace std; typedef unsigned long long ull; typedef long long ll; typedef vector<int> vi; typedef vector<vector<int>> vvi; typedef vector<ll> vl; typedef vector<vector<ll>> vvl; typedef vector<bool> vb; typedef vector<vector<bool>> vvb; typedef pair<int, int> pii; typedef vector<vector<pair<int, int>>> vvp; int 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 modInverse(ll n) { ll p = MOD; return power(n, p - 2, p); } int min(int a, int b, int c) { return min(a, min(b, c)); } int max(int a, int b, int c) { return max(a, max(b, c)); } inline void swap(int &a, int &b) { int t = a; a = b; b = t; } bool cmp(int a, int b) { return a > b; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("C:\\Users\\ACER\\Desktop\\Codes\\input.txt", "r", stdin); #endif string s1, s2; int i, j; cin >> s1 >> s2; s1 = " " + s1; s2 = " " + s2; int l1 = s1.size(), l2 = s2.size(); int dp[l1][l2]; rep(i, l1) { rep(j, l2) { if (i == 0 || j == 0) dp[i][j] = 0; else { if (s1[i] == s2[j]) 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 = l1 - 1; j = l2 - 1; while (i && j) { if (s1[i] == s2[j]) { ans.pb(s1[i]); i--, j--; } else if (dp[i][j] == dp[i - 1][j]) i--; else j--; } l1 = ans.size(); rep(i, l1) cout << ans[l1 - 1 - i]; return 0; }
/** * author: bholuakku **/ #include <bits/stdc++.h> #define For(i, a, b) for (i = (a); i < (b); i++) #define rep(i, n) for (i = 0; i < (n); i++) #define Nfor(i, a, b) for (i = (a)-1; i >= (b); i--) #define dep(i, n) for (i = (n - 1); i >= 0; i--) #define mp make_pair #define pb push_back #define Auto(a) for (auto &val : a) #define X first #define Y second #define MOD 1000000007 #define MOD1 998244353 #define iterate(A, i) for (auto i = A.begin(); i != A.end(); i++) #define mset(A, val, n) memset(A, val, n * sizeof(int)) #define Endl cout << "\n" #define Test cout << "Hello\n" using namespace std; typedef unsigned long long ull; typedef long long ll; typedef vector<int> vi; typedef vector<vector<int>> vvi; typedef vector<ll> vl; typedef vector<vector<ll>> vvl; typedef vector<bool> vb; typedef vector<vector<bool>> vvb; typedef pair<int, int> pii; typedef vector<vector<pair<int, int>>> vvp; int 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 modInverse(ll n) { ll p = MOD; return power(n, p - 2, p); } int min(int a, int b, int c) { return min(a, min(b, c)); } int max(int a, int b, int c) { return max(a, max(b, c)); } inline void swap(int &a, int &b) { int t = a; a = b; b = t; } bool cmp(int a, int b) { return a > b; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); string s1, s2; int i, j; cin >> s1 >> s2; s1 = " " + s1; s2 = " " + s2; int l1 = s1.size(), l2 = s2.size(); int dp[l1][l2]; rep(i, l1) { rep(j, l2) { if (i == 0 || j == 0) dp[i][j] = 0; else { if (s1[i] == s2[j]) 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 = l1 - 1; j = l2 - 1; while (i && j) { if (s1[i] == s2[j]) { ans.pb(s1[i]); i--, j--; } else if (dp[i][j] == dp[i - 1][j]) i--; else j--; } l1 = ans.size(); rep(i, l1) cout << ans[l1 - 1 - i]; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define In_The_Name_Of_Allah_The_Merciful \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define Alhamdulillah return 0; #define all(v) v.begin(), v.end() #define debug(n) cerr << "[" << #n << " = " << n << "]" << endl const int N = 3000; ll dp[100][N]; int n, m; string s, w; ll calc(int i, int j) { if (i == n || j == m) return 0; ll &ret = dp[i][j]; if (~ret) return ret; if (s[i] == w[j]) ret = calc(i + 1, j + 1) + 1; else ret = max(calc(i + 1, j), calc(i, j + 1)); return ret; } void display(int i, int j) { if (i == n || j == m) return; if (s[i] == w[j]) { cout << s[i]; display(i + 1, j + 1); return; } if (calc(i, j) == calc(i + 1, j)) display(i + 1, j); else display(i, j + 1); } void Suhaib_Sawalha() { cin >> s >> w; n = s.size(); m = w.size(); memset(dp, -1, sizeof dp); calc(0, 0); display(0, 0); } int main() { In_The_Name_Of_Allah_The_Merciful /* بسم الله الرحمن الرحيم */ #ifndef ONLINE_JUDGE freopen("SuhaibSawalha1.txt", "r", stdin); #endif // int _;for(cin>>_;_;--_,cout<<'\n') Suhaib_Sawalha(); Alhamdulillah /* الحمد لله */ }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define In_The_Name_Of_Allah_The_Merciful \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define Alhamdulillah return 0; #define all(v) v.begin(), v.end() #define debug(n) cerr << "[" << #n << " = " << n << "]" << endl const int N = 3000; ll dp[N][N]; int n, m; string s, w; ll calc(int i, int j) { if (i == n || j == m) return 0; ll &ret = dp[i][j]; if (~ret) return ret; if (s[i] == w[j]) ret = calc(i + 1, j + 1) + 1; else ret = max(calc(i + 1, j), calc(i, j + 1)); return ret; } void display(int i, int j) { if (i == n || j == m) return; if (s[i] == w[j]) { cout << s[i]; display(i + 1, j + 1); return; } if (calc(i, j) == calc(i + 1, j)) display(i + 1, j); else display(i, j + 1); } void Suhaib_Sawalha() { cin >> s >> w; n = s.size(); m = w.size(); memset(dp, -1, sizeof dp); calc(0, 0); display(0, 0); } int main() { In_The_Name_Of_Allah_The_Merciful /* بسم الله الرحمن الرحيم */ #ifndef ONLINE_JUDGE freopen("SuhaibSawalha1.txt", "r", stdin); #endif // int _;for(cin>>_;_;--_,cout<<'\n') Suhaib_Sawalha(); Alhamdulillah /* الحمد لله */ }
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p03165
C++
Runtime Error
#include <algorithm> #include <iostream> #include <vector> using namespace std; #define in(v) \ v; \ cin >> v; #define rep(i, n) for (int i = 0, _i = (n); i < _i; ++i) #define rrep(i, n) for (long long i = (n); i >= 0; --i) int main() { string in(s); string in(t); int N = s.size(), M = t.size(); int dp[N + 1][M + 1]; rep(i, N + 1) rep(j, M + 1) dp[i][j] = 0; rep(i, N) rep(j, M) { if (s[i] == t[j]) dp[i + 1][j + 1] = dp[i][j] + 1; else dp[i + 1][j + 1] = max(dp[i][j], max(dp[i + 1][j], dp[i][j + 1])); } string ans; int m = M; int lcs = dp[N][M]; rrep(i, N) { if (dp[i][m] != lcs) { ans += s[i]; --lcs; while (dp[i][m - 1] == lcs) --m; } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <algorithm> #include <iostream> #include <vector> using namespace std; #define in(v) \ v; \ cin >> v; #define rep(i, n) for (int i = 0, _i = (n); i < _i; ++i) #define rrep(i, n) for (long long i = (n); i >= 0; --i) int main() { string in(s); string in(t); int N = s.size(), M = t.size(); int dp[N + 1][M + 1]; rep(i, N + 1) rep(j, M + 1) dp[i][j] = 0; rep(i, N) rep(j, M) { if (s[i] == t[j]) dp[i + 1][j + 1] = dp[i][j] + 1; else dp[i + 1][j + 1] = max(dp[i][j], max(dp[i + 1][j], dp[i][j + 1])); } string ans; int m = M; int lcs = dp[N][M]; rrep(i, N) { if (dp[i][m] != lcs) { ans += s[i]; --lcs; while (m - 1 >= 0 && dp[i][m - 1] == lcs) --m; } } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n, m) for (int i = (n); i < (m); i++) #define rrep(i, n, m) for (int i = (n)-1; i >= (m); i--) #define pvec(vec) \ { \ for (auto v : vec) \ cout << v << ' '; \ cout << endl; \ } #define pivec(vec) \ { \ rep(i, 0, vec.size()) cout << i << ':' << vec[i] << ' '; \ cout << endl; \ } using namespace std; using ll = long long; int main() { string s, t; cin >> s >> t; s += '$'; t += '$'; vector<vector<int>> dp(3010, vector<int>(3010, -1)); vector<vector<pair<int, int>>> par(3000, vector<pair<int, int>>(3000, {-1, -1})); dp[0][0] = 0; rep(spos, 0, s.size() + 1) rep(tpos, 0, t.size() + 1) { if (s[spos] == t[tpos] and dp[spos + 1][tpos + 1] < dp[spos][tpos] + 1) { dp[spos + 1][tpos + 1] = dp[spos][tpos] + 1; par[spos + 1][tpos + 1] = make_pair(spos, tpos); } if (dp[spos + 1][tpos] < dp[spos][tpos]) { dp[spos + 1][tpos] = dp[spos][tpos]; par[spos + 1][tpos] = make_pair(spos, tpos); } if (dp[spos][tpos + 1] < dp[spos][tpos]) { dp[spos][tpos + 1] = dp[spos][tpos]; par[spos][tpos + 1] = make_pair(spos, tpos); } } // cout << dp[s.size()][t.size()] << endl; string res = ""; pair<int, int> now = {s.size(), t.size()}; while (now.first > 0 and now.second > 0) { pair<int, int> prev = par[now.first][now.second]; // cout << now.first << ' ' << now.second << ' ' << prev.first << ' ' << // prev.second << endl; if (now.first - prev.first + now.second - prev.second == 2) res += s[prev.first]; swap(prev, now); } reverse(res.begin(), res.end()); res.pop_back(); cout << res << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n, m) for (int i = (n); i < (m); i++) #define rrep(i, n, m) for (int i = (n)-1; i >= (m); i--) #define pvec(vec) \ { \ for (auto v : vec) \ cout << v << ' '; \ cout << endl; \ } #define pivec(vec) \ { \ rep(i, 0, vec.size()) cout << i << ':' << vec[i] << ' '; \ cout << endl; \ } using namespace std; using ll = long long; int main() { string s, t; cin >> s >> t; s += '$'; t += '$'; vector<vector<int>> dp(3010, vector<int>(3010, -1)); vector<vector<pair<int, int>>> par(3100, vector<pair<int, int>>(3100, {-1, -1})); dp[0][0] = 0; rep(spos, 0, s.size() + 1) rep(tpos, 0, t.size() + 1) { if (s[spos] == t[tpos] and dp[spos + 1][tpos + 1] < dp[spos][tpos] + 1) { dp[spos + 1][tpos + 1] = dp[spos][tpos] + 1; par[spos + 1][tpos + 1] = make_pair(spos, tpos); } if (dp[spos + 1][tpos] < dp[spos][tpos]) { dp[spos + 1][tpos] = dp[spos][tpos]; par[spos + 1][tpos] = make_pair(spos, tpos); } if (dp[spos][tpos + 1] < dp[spos][tpos]) { dp[spos][tpos + 1] = dp[spos][tpos]; par[spos][tpos + 1] = make_pair(spos, tpos); } } // cout << dp[s.size()][t.size()] << endl; string res = ""; pair<int, int> now = {s.size(), t.size()}; while (now.first > 0 and now.second > 0) { pair<int, int> prev = par[now.first][now.second]; // cout << now.first << ' ' << now.second << ' ' << prev.first << ' ' << // prev.second << endl; if (now.first - prev.first + now.second - prev.second == 2) res += s[prev.first]; swap(prev, now); } reverse(res.begin(), res.end()); res.pop_back(); cout << res << endl; return 0; }
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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> #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; using namespace std; #define ff first #define ss second #define int long long #define in insert #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define pii pair<int, int> #define vi vector<int> #define mii map<int, int> #define pqb priority_queue<int> #define pqs priority_queue<int, vi, greater<int>> #define setbits(x) __builtin_popcountll(x) #define zrobits(x) __builtin_ctzll(x) #define mod 1000000007 #define inf 1e18 #define ps(x, y) fixed << setprecision(y) << x #define mk(arr, n, type) type *arr = new type[n] #define w(x) \ int x; \ cin >> x; \ while (x--) #define FIO \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; int32_t main() { FIO; string a, b; cin >> a >> b; int dp[a.length() + 1][b.length() + 1]; for (int i = 0; i <= (int)a.length(); i++) { for (int j = 0; j <= (int)b.length(); j++) { if (i == 0 || j == 0) { dp[i][j] = 0; continue; } if (a[i - 1] == b[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 ans; int n = a.length(), m = b.length(); 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 ans += a[n - 1], n--, m--; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; using namespace std; #define ff first #define ss second #define int long long #define in insert #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define pii pair<int, int> #define vi vector<int> #define mii map<int, int> #define pqb priority_queue<int> #define pqs priority_queue<int, vi, greater<int>> #define setbits(x) __builtin_popcountll(x) #define zrobits(x) __builtin_ctzll(x) #define mod 1000000007 #define inf 1e18 #define ps(x, y) fixed << setprecision(y) << x #define mk(arr, n, type) type *arr = new type[n] #define w(x) \ int x; \ cin >> x; \ while (x--) #define FIO \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; int32_t main() { FIO; string a, b; cin >> a >> b; int dp[a.length() + 1][b.length() + 1]; for (int i = 0; i <= (int)a.length(); i++) { for (int j = 0; j <= (int)b.length(); j++) { if (i == 0 || j == 0) { dp[i][j] = 0; continue; } if (a[i - 1] == b[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 ans; int n = a.length(), m = b.length(); 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 ans += a[n - 1], n--, m--; } 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; #define ll long long int string x; int dp[3001][3001], ans = 0; // vector<vector<string> >dp; int fn(int i, int j, string s, string t) { if (i == 0 || j == 0) return 0; if (dp[i][j] != -1) { return dp[i][j]; } if (s[i - 1] == t[j - 1]) { x += s[i - 1]; ans = fn(i - 1, j - 1, s, t) + 1; dp[i][j] = ans; return ans; } ans = max(fn(i - 1, j, s, t), fn(i, j - 1, s, t)); dp[i][j] = ans; return ans; } int main() { string s, t, a; cin >> s >> t; for (int i = 0; i <= s.size(); i++) for (int j = 0; j <= t.size(); j++) dp[i][j] = -1; int i = s.size(), j = t.size(); int y = fn(i, j, s, t); // cout<<dp[i][j]; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { a += s[i - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } reverse(a.begin(), a.end()); cout << a; }
#include <bits/stdc++.h> using namespace std; #define ll long long int string x; int dp[3001][3001], ans = 0; // vector<vector<string> >dp; int fn(int i, int j, string &s, string &t) { if (i == 0 || j == 0) return 0; if (dp[i][j] != -1) { return dp[i][j]; } if (s[i - 1] == t[j - 1]) { x += s[i - 1]; ans = fn(i - 1, j - 1, s, t) + 1; dp[i][j] = ans; return ans; } ans = max(fn(i - 1, j, s, t), fn(i, j - 1, s, t)); dp[i][j] = ans; return ans; } int main() { string s, t, a; cin >> s >> t; for (int i = 0; i <= s.size(); i++) for (int j = 0; j <= t.size(); j++) dp[i][j] = -1; int i = s.size(), j = t.size(); int y = fn(i, j, s, t); // cout<<dp[i][j]; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { a += s[i - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } reverse(a.begin(), a.end()); cout << a; }
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TLE
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int mxN = 1e3 + 2; string s, t; int n, m, dp[mxN][mxN]; pair<int, int> parent[mxN][mxN]; int calc(int i, int j) { if (i < 0 || j < 0) return 0; return dp[i][j]; } int main() { cin >> s >> t; n = s.length(); m = t.length(); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { dp[i][j] = 0; if (calc(i - 1, j) >= dp[i][j]) { parent[i][j] = {i - 1, j}; dp[i][j] = calc(i - 1, j); } if (calc(i, j - 1) >= dp[i][j]) { parent[i][j] = {i, j - 1}; dp[i][j] = calc(i, j - 1); } if (s[i] == t[j] && calc(i - 1, j - 1) + 1 >= dp[i][j]) { parent[i][j] = {i - 1, j - 1}; dp[i][j] = calc(i - 1, j - 1) + 1; } } } string ret = ""; pair<int, int> cur = {n - 1, m - 1}; while (cur.first >= 0 && cur.second >= 0) { if (s[cur.first] == t[cur.second]) ret.push_back(s[cur.first]); cur = parent[cur.first][cur.second]; } reverse(ret.begin(), ret.end()); cout << ret << endl; }
#include <bits/stdc++.h> using namespace std; const int mxN = 3e3 + 2; string s, t; int n, m, dp[mxN][mxN]; pair<int, int> parent[mxN][mxN]; int calc(int i, int j) { if (i < 0 || j < 0) return 0; return dp[i][j]; } int main() { cin >> s >> t; n = s.length(); m = t.length(); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { dp[i][j] = 0; if (calc(i - 1, j) >= dp[i][j]) { parent[i][j] = {i - 1, j}; dp[i][j] = calc(i - 1, j); } if (calc(i, j - 1) >= dp[i][j]) { parent[i][j] = {i, j - 1}; dp[i][j] = calc(i, j - 1); } if (s[i] == t[j] && calc(i - 1, j - 1) + 1 >= dp[i][j]) { parent[i][j] = {i - 1, j - 1}; dp[i][j] = calc(i - 1, j - 1) + 1; } } } string ret = ""; pair<int, int> cur = {n - 1, m - 1}; while (cur.first >= 0 && cur.second >= 0) { if (s[cur.first] == t[cur.second]) ret.push_back(s[cur.first]); cur = parent[cur.first][cur.second]; } reverse(ret.begin(), ret.end()); cout << ret << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; #define FasterIO \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define bug(a, b) cout << a << "\t" << b << "\n"; #define Case(a, b) cout << "Case " << a << ": " << b << "\n"; #define watch(a) cout << fixed << setprecision(a) #define lp(i, a, b) for (int i = a; i < b; i++) #define Endl "\n"; #define tab "\t" #define reset(a, b) memset(a, b, sizeof(a)); #define sf(a) scanf(" %d", &a); #define srt(a) sort(a.begin(), a.end()); #define pi 2 * acos(0.0) #define inf INT_MAX #define infn INT_MIN const int sz = 1e5 + 9; string s, t; int dp[3009][3009]; void lcs(int i, int j) { if (i >= s.size() || j >= t.size()) return; if (dp[i][j] != -1) return; if (s[i] == t[j]) { lcs(i + 1, j + 1); dp[i][j] = 1 + max(0, dp[i + 1][j + 1]); } else { lcs(i + 1, j); lcs(i, j + 1); dp[i][j] = max(dp[i + 1][j], dp[i][j + 1]); dp[i][j] = max(0, dp[i][j]); } return; } void solve() { reset(dp, -1); getline(cin, s); getline(cin, t); lcs(0, 0); // cout<<dp[0][0]; /* for(int i=0;i<=s.size();i++){ for(int j=0;j<=t.size();j++){ cout<<dp[i][j]<<tab; } cout<<endl; }*/ int i = 0, j = 0, temp = dp[i][j]; if (temp == 0) { cout << "\n\n"; return; } while (true) { if (dp[i][j + 1] == temp) { j++; continue; } if (dp[i + 1][j] == temp) { i++; continue; } if (temp == 1) { cout << s[i]; break; } if (dp[i + 1][j + 1] == temp - 1) { cout << s[i]; temp--, i++, j++; continue; } } cout << "\n"; } int main() { FasterIO; #ifndef ONLINE_JUDGE freopen("1.txt", "r", stdin); #endif // int t; // cin>>t; // while(t--) solve(); }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; #define FasterIO \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define bug(a, b) cout << a << "\t" << b << "\n"; #define Case(a, b) cout << "Case " << a << ": " << b << "\n"; #define watch(a) cout << fixed << setprecision(a) #define lp(i, a, b) for (int i = a; i < b; i++) #define Endl "\n"; #define tab "\t" #define reset(a, b) memset(a, b, sizeof(a)); #define sf(a) scanf(" %d", &a); #define srt(a) sort(a.begin(), a.end()); #define pi 2 * acos(0.0) #define inf INT_MAX #define infn INT_MIN const int sz = 1e5 + 9; string s, t; int dp[3009][3009]; void lcs(int i, int j) { if (i >= s.size() || j >= t.size()) return; if (dp[i][j] != -1) return; if (s[i] == t[j]) { lcs(i + 1, j + 1); dp[i][j] = 1 + max(0, dp[i + 1][j + 1]); } else { lcs(i + 1, j); lcs(i, j + 1); dp[i][j] = max(dp[i + 1][j], dp[i][j + 1]); dp[i][j] = max(0, dp[i][j]); } return; } void solve() { reset(dp, -1); getline(cin, s); getline(cin, t); lcs(0, 0); // cout<<dp[0][0]; /* for(int i=0;i<=s.size();i++){ for(int j=0;j<=t.size();j++){ cout<<dp[i][j]<<tab; } cout<<endl; }*/ int i = 0, j = 0, temp = dp[i][j]; if (temp == 0) { cout << "\n\n"; return; } while (true) { if (dp[i][j + 1] == temp) { j++; continue; } if (dp[i + 1][j] == temp) { i++; continue; } if (temp == 1) { cout << s[i]; break; } if (dp[i + 1][j + 1] == temp - 1) { cout << s[i]; temp--, i++, j++; continue; } } cout << "\n"; } int main() { /* FasterIO; #ifndef ONLINE_JUDGE freopen("1.txt","r",stdin); #endif */ // int t; // cin>>t; // while(t--) solve(); }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define ll long long #define pii pair<int, int> #define f first #define s second #define read freopen("input.txt", "r", stdin) #define write freopen("output.txt", "w", stdout) #define mx 5e12 using namespace std; ll dp[3010][3010]; int main() { string s, t, ans; cin >> s; cin >> t; int 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; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } // cout<<dp[n][m]; for (int i = n, j = m; i > 0, j > 0;) { if (dp[i][j] != dp[i - 1][j] && dp[i][j] != dp[i][j - 1]) { ans = s[i - 1] + ans; i--; j--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else i--; } cout << ans; }
#include <bits/stdc++.h> #define ll long long #define pii pair<int, int> #define f first #define s second #define read freopen("input.txt", "r", stdin) #define write freopen("output.txt", "w", stdout) #define mx 5e12 using namespace std; ll dp[3010][3010]; int main() { string s, t, ans; cin >> s; cin >> t; int 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; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } // cout<<dp[n][m]; for (int i = n, j = m; i > 0 & j > 0;) { if (dp[i][j] != dp[i - 1][j] && dp[i][j] != dp[i][j - 1]) { ans = s[i - 1] + ans; i--; j--; } else if (dp[i][j] == dp[i][j - 1]) { j--; } else i--; } cout << ans; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define IOS \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); #define ll long long int dp[3001][3001]; int main() { IOS; memset(dp, 0, sizeof(dp)); string s, t; cin >> s >> t; s = "$" + s; t = "#" + t; int n = s.size(); int m = t.size(); for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { if (s[i] == t[j]) { dp[i][j] = 1 + dp[i - 1][j - 1]; } else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } string ans = ""; int i = n; int j = m; while (i > 0 && j > 0) { if (s[i] == t[j]) { // cout << s[i] << endl; ans += s[i]; i--; j--; } else { if (dp[i - 1][j] >= dp[i][j - 1]) { i--; } else j--; } } reverse(ans.begin(), ans.end()); cout << ans.substr(0, ans.size() - 1) << endl; }
#include <bits/stdc++.h> using namespace std; #define IOS \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); #define ll long long int dp[3005][3005]; int main() { IOS; memset(dp, 0, sizeof(dp)); string s, t; cin >> s >> t; s = "$" + s; t = "#" + t; int n = s.size(); int m = t.size(); 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]); } } string ans = ""; int i = n; int j = m; while (i > 0 && j > 0) { if (s[i] == t[j]) { // cout << s[i] << endl; ans += s[i]; i--; j--; } else { if (dp[i - 1][j] >= dp[i][j - 1]) { i--; } else j--; } } reverse(ans.begin(), ans.end()); cout << ans.substr(0, ans.size() - 1) << endl; }
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0
p03165
C++
Runtime Error
/*coderanant*/ #include <bits/stdc++.h> using namespace std; #define int long long #define ll long long #define f1(i, a, b) for (i = a; i < b; i++) #define f2(i, a, b) for (i = a; i >= b; i--) #define endl '\n' #define pb push_back #define gp " " #define ff first #define ss second #define mp make_pair const int mod = 1000000007; int i, j; ll temp; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("/home/akmittal/Desktop/Competitive Programming/in.txt", "r", stdin); freopen("/home/akmittal/Desktop/Competitive Programming/out.txt", "w", stdout); #endif string s, t; cin >> s >> t; int n = s.length(), m = t.length(); vector<vector<tuple<int, int, int>>> dp(n + 1, vector<tuple<int, int, int>>(m + 1)); f1(i, 0, n + 1) { f1(j, 0, m + 1) { dp[i][j] = make_tuple(0ll, 0ll, 0ll); } } f1(i, 1, n + 1) { f1(j, 1, m + 1) { if (s[i - 1] == t[j - 1]) { dp[i][j] = make_tuple(get<0>(dp[i - 1][j - 1]) + 1, i - 1, j - 1); } else if (get<0>(dp[i][j - 1]) > get<0>(dp[i - 1][j])) dp[i][j] = make_tuple(get<0>(dp[i][j - 1]), i, j - 1); else dp[i][j] = make_tuple(get<0>(dp[i - 1][j]), i - 1, j); } } int ans = get<0>(dp[n][m]); int x = n, y = m; string final; /// cout<<ans<<endl; // ans=99; // f1(i,0,n+1) // { // f1(j,0,m+1) // cout<<get<0>(dp[i][j])<<gp<<get<1>(dp[i][j])<<gp<<get<2>(dp[i][j])<<gp<<gp<<gp; // cout<<endl; // } while (1) { // cout<<x<<gp<<y<<endl; if (get<1>(dp[x][y]) < x && get<2>(dp[x][y]) < y) { final.pb(s[x - 1]); x--; y--; ans--; } else { // cout<<gp<<get<1>(dp[x][y])<<gp<<get<2>(dp[x][y])<<endl; temp = get<1>(dp[x][y]); y = get<2>(dp[x][y]); x = temp; // cout<<gp<<get<1>(dp[x][y])<<gp<<get<2>(dp[x][y])<<endl; } if (x == 0 || y == 0) break; } reverse(final.begin(), final.end()); cout << final; return 0; }
/*coderanant*/ #include <bits/stdc++.h> using namespace std; #define int long long #define ll long long #define f1(i, a, b) for (i = a; i < b; i++) #define f2(i, a, b) for (i = a; i >= b; i--) #define endl '\n' #define pb push_back #define gp " " #define ff first #define ss second #define mp make_pair const int mod = 1000000007; int i, j; ll temp; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); // #ifndef ONLINE_JUDGE // freopen("/home/akmittal/Desktop/Competitive // Programming/in.txt","r",stdin); freopen("/home/akmittal/Desktop/Competitive // Programming/out.txt","w",stdout); #endif string s, t; cin >> s >> t; int n = s.length(), m = t.length(); vector<vector<tuple<int, int, int>>> dp(n + 1, vector<tuple<int, int, int>>(m + 1)); f1(i, 0, n + 1) { f1(j, 0, m + 1) { dp[i][j] = make_tuple(0ll, 0ll, 0ll); } } f1(i, 1, n + 1) { f1(j, 1, m + 1) { if (s[i - 1] == t[j - 1]) { dp[i][j] = make_tuple(get<0>(dp[i - 1][j - 1]) + 1, i - 1, j - 1); } else if (get<0>(dp[i][j - 1]) > get<0>(dp[i - 1][j])) dp[i][j] = make_tuple(get<0>(dp[i][j - 1]), i, j - 1); else dp[i][j] = make_tuple(get<0>(dp[i - 1][j]), i - 1, j); } } int ans = get<0>(dp[n][m]); int x = n, y = m; string final; /// cout<<ans<<endl; // ans=99; // f1(i,0,n+1) // { // f1(j,0,m+1) // cout<<get<0>(dp[i][j])<<gp<<get<1>(dp[i][j])<<gp<<get<2>(dp[i][j])<<gp<<gp<<gp; // cout<<endl; // } while (1) { // cout<<x<<gp<<y<<endl; if (get<1>(dp[x][y]) < x && get<2>(dp[x][y]) < y) { final.pb(s[x - 1]); x--; y--; ans--; } else { // cout<<gp<<get<1>(dp[x][y])<<gp<<get<2>(dp[x][y])<<endl; temp = get<1>(dp[x][y]); y = get<2>(dp[x][y]); x = temp; // cout<<gp<<get<1>(dp[x][y])<<gp<<get<2>(dp[x][y])<<endl; } if (x == 0 || y == 0) break; } reverse(final.begin(), final.end()); cout << final; return 0; }
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0
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long int ll; ll mod = 1e9 + 7; ll const maxn = 1e3 + 5; ll const inf = 1e18; ll add(ll a, ll b) { return ((a % mod) + (b % mod)) % mod; } ll mul(ll a, ll b) { return ((a % mod) * (b % mod)) % mod; } ll powm(ll x, ll n, ll M) { ll result = 1; while (n > 0) { if (n % 2 == 1) result = (result * x) % M; x = (x * x) % M; n = n / 2; } return result; } bool prime(ll x) { if (x < 2) return false; for (int i = 2; i <= sqrt(x); i++) { if (x % i == 0) return false; } return true; } int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ios_base::sync_with_stdio(false); cin.tie(NULL); string s, t; cin >> s >> t; ll n = s.size(); ll m = t.size(); ll dp[n + 1][m + 1]; memset(dp, 0, sizeof(dp)); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; 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]); } } } string x = ""; ll a = n, b = m; while (a > 0 and b > 0) { if (s[a - 1] == t[b - 1]) { x += s[a - 1]; a--; b--; } else if (dp[a - 1][b] > dp[a][b - 1]) a--; else b--; } reverse(x.begin(), x.end()); cout << x; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; ll mod = 1e9 + 7; ll const maxn = 1e3 + 5; ll const inf = 1e18; ll add(ll a, ll b) { return ((a % mod) + (b % mod)) % mod; } ll mul(ll a, ll b) { return ((a % mod) * (b % mod)) % mod; } ll powm(ll x, ll n, ll M) { ll result = 1; while (n > 0) { if (n % 2 == 1) result = (result * x) % M; x = (x * x) % M; n = n / 2; } return result; } bool prime(ll x) { if (x < 2) return false; for (int i = 2; i <= sqrt(x); i++) { if (x % i == 0) return false; } return true; } int main() { // #ifndef ONLINE_JUDGE // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); // #endif ios_base::sync_with_stdio(false); cin.tie(NULL); string s, t; cin >> s >> t; ll n = s.size(); ll m = t.size(); ll dp[n + 1][m + 1]; memset(dp, 0, sizeof(dp)); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; 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]); } } } string x = ""; ll a = n, b = m; while (a > 0 and b > 0) { if (s[a - 1] == t[b - 1]) { x += s[a - 1]; a--; b--; } else if (dp[a - 1][b] > dp[a][b - 1]) a--; else b--; } reverse(x.begin(), x.end()); cout << x; return 0; }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define fo(i, a, b) for (int i = a; i < b; ++i) #define rep(i, n) fo(i, 0, n) #define pln(n) printf("%lld\n", n) #define sll(n) scanf("%lld", &n) #define ss(n) scanf("%s", n) #define vi vector<int> #define pii pair<int, int> #define pb push_back #define mp make_pair #define ll long long #define ull unsigned long long #define INF 0x3f3f3f3f #define dbg(x) \ { cout << #x << ": " << (x) << endl; } #define dbg2(x, y) \ { cout << #x << ": " << (x) << " , " << #y << ": " << (y) << endl; } #define dbg3(x, y, z) \ { \ cout << #x << ": " << (x) << " , " << #y << ": " << (y) << " , " << #z \ << ": " << (z) << endl; \ } #define all(x) x.begin(), x.end() #define sz(x) (int)x.size() #define vll vector<long long> #define vvi vector<vector<int>> #define si set<int> #define tr(c, it) for (decltype(c.begin()) it = c.begin(); it != c.end(); it++) #define pis pair<int, string> #define present(c, x) (c.find(x) != c.end()) #define cpresent(c, x) (find(all(c), x) != c.end()) using namespace std; int main() { string a, b; cin >> a >> b; int m = a.size(); int n = b.size(); int L[m + 1][n + 1]; for (int i = 0; i <= m; i++) { L[i][0] = 0; } for (int i = 0; i <= n; i++) { L[0][i] = 0; } for (int i = 1; i <= m; i++) { for (int j = 1; j <= n; j++) { if (a[i - 1] == b[j - 1]) { L[i][j] = L[i - 1][j - 1] + 1; } else { L[i][j] = max(L[i - 1][j], L[i][j - 1]); } } } int i = m; int j = n; string ans = ""; while (i > 0 && j > 0) { if (a[i - 1] == b[j - 1]) { ans += a[i - 1]; continue; } if (L[i][j] == L[i - 1][j]) { i--; } else if (L[i][j] == L[i][j - 1]) { j--; } else { i--; j--; } } reverse(ans.begin(), ans.end()); cout << ans << endl; }
#include <bits/stdc++.h> #define fo(i, a, b) for (int i = a; i < b; ++i) #define rep(i, n) fo(i, 0, n) #define pln(n) printf("%lld\n", n) #define sll(n) scanf("%lld", &n) #define ss(n) scanf("%s", n) #define vi vector<int> #define pii pair<int, int> #define pb push_back #define mp make_pair #define ll long long #define ull unsigned long long #define INF 0x3f3f3f3f #define dbg(x) \ { cout << #x << ": " << (x) << endl; } #define dbg2(x, y) \ { cout << #x << ": " << (x) << " , " << #y << ": " << (y) << endl; } #define dbg3(x, y, z) \ { \ cout << #x << ": " << (x) << " , " << #y << ": " << (y) << " , " << #z \ << ": " << (z) << endl; \ } #define all(x) x.begin(), x.end() #define sz(x) (int)x.size() #define vll vector<long long> #define vvi vector<vector<int>> #define si set<int> #define tr(c, it) for (decltype(c.begin()) it = c.begin(); it != c.end(); it++) #define pis pair<int, string> #define present(c, x) (c.find(x) != c.end()) #define cpresent(c, x) (find(all(c), x) != c.end()) using namespace std; int main() { string a, b; cin >> a >> b; int m = a.size(); int n = b.size(); int L[m + 1][n + 1]; for (int i = 0; i <= m; i++) { L[i][0] = 0; } for (int i = 0; i <= n; i++) { L[0][i] = 0; } for (int i = 1; i <= m; i++) { for (int j = 1; j <= n; j++) { if (a[i - 1] == b[j - 1]) { L[i][j] = L[i - 1][j - 1] + 1; } else { L[i][j] = max(L[i - 1][j], L[i][j - 1]); } } } int i = m; int j = n; string ans = ""; while (i > 0 && j > 0) { if (a[i - 1] == b[j - 1]) { ans += a[i - 1]; i--; j--; continue; } if (L[i][j] == L[i - 1][j]) { i--; } else if (L[i][j] == L[i][j - 1]) { j--; } else { i--; j--; } } reverse(ans.begin(), ans.end()); cout << ans << endl; }
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TLE
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long int const N = 1e3 + 5; string s, t; int n, m; int mem[N][N]; int oo = 0x3f3f3f3f; int DP(int i = 0, int j = 0) { if (i == n || j == m) return 0; int &ret = mem[i][j]; if (~ret) return ret; return ret = max(DP(i + 1, j), max(DP(i, j + 1), (s[i] == t[j] ? DP(i + 1, j + 1) + 1 : 0))); } string res; void print(int i = 0, int j = 0) { if (i == n || j == m) return; if (DP(i, j) == DP(i + 1, j)) return print(i + 1, j); else if (DP(i, j) == DP(i, j + 1)) return print(i, j + 1); else { res.push_back(s[i]); print(i + 1, j + 1); } } int main() { #ifdef ONLINE_JUDGE ios::sync_with_stdio(false), cin.tie(0); #endif #ifndef ONLINE_JUDGE freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout); #endif memset(mem, -1, sizeof(mem)); cin >> s >> t; n = s.size(), m = t.size(); DP(0, 0); print(); cout << res << endl; }
#include <bits/stdc++.h> using namespace std; #define ll long long int const N = 3e3 + 5; string s, t; int n, m; int mem[N][N]; int oo = 0x3f3f3f3f; int DP(int i = 0, int j = 0) { if (i == n || j == m) return 0; int &ret = mem[i][j]; if (~ret) return ret; return ret = max(DP(i + 1, j), max(DP(i, j + 1), (s[i] == t[j] ? DP(i + 1, j + 1) + 1 : 0))); } string res; void print(int i = 0, int j = 0) { if (i == n || j == m) return; if (DP(i, j) == DP(i + 1, j)) return print(i + 1, j); else if (DP(i, j) == DP(i, j + 1)) return print(i, j + 1); else { res.push_back(s[i]); print(i + 1, j + 1); } } int main() { #ifdef ONLINE_JUDGE ios::sync_with_stdio(false), cin.tie(0); #endif #ifndef ONLINE_JUDGE freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout); #endif memset(mem, -1, sizeof(mem)); cin >> s >> t; n = s.size(), m = t.size(); DP(0, 0); print(); cout << res << endl; }
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0
p03165
C++
Runtime Error
#include <algorithm> #include <iostream> using namespace std; const int N = 1007; long long dp[N][N]; string s, t; int abs(int val) { return max(val, -val); } int main() { int n, tw, val, cst; cin >> s >> t; for (int i = 1; i <= s.size(); ++i) for (int j = 1; j <= t.size(); ++j) dp[i][j] = max(max(dp[i - 1][j], dp[i][j - 1]), dp[i - 1][j - 1] + (s[i - 1] == t[j - 1])); int ci(s.size()), cj(t.size()); string ans; while (ci && cj) { if (dp[ci][cj] == dp[ci - 1][cj]) { --ci; } else if (dp[ci][cj] == dp[ci][cj - 1]) { --cj; } else { --ci; --cj; ans = ans + s[ci]; } } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
#include <algorithm> #include <iostream> using namespace std; const int N = 3007; long long dp[N][N]; string s, t; int abs(int val) { return max(val, -val); } int main() { int n, tw, val, cst; cin >> s >> t; for (int i = 1; i <= s.size(); ++i) for (int j = 1; j <= t.size(); ++j) dp[i][j] = max(max(dp[i - 1][j], dp[i][j - 1]), dp[i - 1][j - 1] + (s[i - 1] == t[j - 1])); int ci(s.size()), cj(t.size()); string ans; while (ci && cj) { if (dp[ci][cj] == dp[ci - 1][cj]) { --ci; } else if (dp[ci][cj] == dp[ci][cj - 1]) { --cj; } else { --ci; --cj; ans = ans + s[ci]; } } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
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0
p03165
C++
Runtime Error
#include <algorithm> #include <bitset> #include <cassert> #include <deque> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <string> #include <time.h> #include <vector> using namespace std; const long long mod = 1000000007; const long long inf = mod * mod; const long long d2 = (mod + 1) / 2; const double EPS = 1e-10; const double INF = 1e+10; const double PI = acos(-1.0); const int C_SIZE = 3121000; long long fact[C_SIZE]; long long finv[C_SIZE]; long long inv[C_SIZE]; long long Comb(int a, int b) { if (a < b || b < 0) return 0; return fact[a] * finv[b] % mod * finv[a - b] % mod; } void init_C(int n) { fact[0] = finv[0] = inv[1] = 1; for (int i = 2; i < n; i++) { inv[i] = (mod - (mod / i) * inv[mod % i] % mod) % mod; } for (int i = 1; i < n; i++) { fact[i] = fact[i - 1] * i % mod; finv[i] = finv[i - 1] * inv[i] % mod; } } long long pw(long long a, long long b) { if (a < 0LL) return 0; if (b < 0LL) return 0; long long ret = 1; while (b) { if (b % 2) ret = ret * a % mod; a = a * a % mod; b /= 2; } return ret; } int ABS(int a) { return max(a, -a); } long long ABS(long long a) { return max(a, -a); } double ABS(double a) { return max(a, -a); } int sig(double r) { return (r < -EPS) ? -1 : (r > +EPS) ? +1 : 0; } int rev[3100][3100]; int dp[3100][3100]; char s[3100]; char t[3100]; char ans[3100]; int main() { scanf("%s%s", s, t); int N = strlen(s); int M = strlen(t); for (int i = 0; i < 3100; i++) for (int j = 0; j < 3100; j++) dp[i][j] = 0; dp[0][0] = 0; for (int i = 0; i <= N; i++) { for (int j = 0; j <= M; j++) { if (i + 1 <= N) { if (dp[i + 1][j] < dp[i][j]) { dp[i + 1][j] = dp[i][j]; rev[i + 1][j] = 0; } } if (j + 1 <= M) { if (dp[i][j + 1] < dp[i][j]) { dp[i][j + 1] = dp[i][j]; rev[i][j + 1] = 1; } } if (i + 1 <= N && j + 1 <= M && s[i] == t[j]) { if (dp[i + 1][j + 1] < dp[i][j] + 1) { dp[i + 1][j + 1] = dp[i][j] + 1; rev[i + 1][j + 1] = 2; } } } } int ns = N; int nt = M; int at = dp[N][M] - 1; while (ns || nt) { if (rev[ns][nt] == 0) ns--; else if (rev[ns][nt] == 1) nt--; else { ns--; nt--; ans[at] = s[ns]; at--; } } printf("%s\n", ans); }
#include <algorithm> #include <bitset> #include <cassert> #include <deque> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <string> #include <time.h> #include <vector> using namespace std; const long long mod = 1000000007; const long long inf = mod * mod; const long long d2 = (mod + 1) / 2; const double EPS = 1e-10; const double INF = 1e+10; const double PI = acos(-1.0); const int C_SIZE = 3121000; long long fact[C_SIZE]; long long finv[C_SIZE]; long long inv[C_SIZE]; long long Comb(int a, int b) { if (a < b || b < 0) return 0; return fact[a] * finv[b] % mod * finv[a - b] % mod; } void init_C(int n) { fact[0] = finv[0] = inv[1] = 1; for (int i = 2; i < n; i++) { inv[i] = (mod - (mod / i) * inv[mod % i] % mod) % mod; } for (int i = 1; i < n; i++) { fact[i] = fact[i - 1] * i % mod; finv[i] = finv[i - 1] * inv[i] % mod; } } long long pw(long long a, long long b) { if (a < 0LL) return 0; if (b < 0LL) return 0; long long ret = 1; while (b) { if (b % 2) ret = ret * a % mod; a = a * a % mod; b /= 2; } return ret; } int ABS(int a) { return max(a, -a); } long long ABS(long long a) { return max(a, -a); } double ABS(double a) { return max(a, -a); } int sig(double r) { return (r < -EPS) ? -1 : (r > +EPS) ? +1 : 0; } int rev[3100][3100]; int dp[3100][3100]; char s[3100]; char t[3100]; char ans[3100]; int main() { scanf("%s%s", s, t); int N = strlen(s); int M = strlen(t); for (int i = 0; i < 3100; i++) for (int j = 0; j < 3100; j++) dp[i][j] = -3100; dp[0][0] = 0; for (int i = 0; i <= N; i++) { for (int j = 0; j <= M; j++) { if (i + 1 <= N) { if (dp[i + 1][j] < dp[i][j]) { dp[i + 1][j] = dp[i][j]; rev[i + 1][j] = 0; } } if (j + 1 <= M) { if (dp[i][j + 1] < dp[i][j]) { dp[i][j + 1] = dp[i][j]; rev[i][j + 1] = 1; } } if (i + 1 <= N && j + 1 <= M && s[i] == t[j]) { if (dp[i + 1][j + 1] < dp[i][j] + 1) { dp[i + 1][j + 1] = dp[i][j] + 1; rev[i + 1][j + 1] = 2; } } } } int ns = N; int nt = M; int at = dp[N][M] - 1; while (ns || nt) { if (rev[ns][nt] == 0) ns--; else if (rev[ns][nt] == 1) nt--; else { ns--; nt--; ans[at] = s[ns]; at--; } } printf("%s\n", ans); }
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-11
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; /* */ int lcsMemo(int i, int j, string &s, string &t, vector<vector<int>> &dp) { if (i >= (int)s.size() || j >= (int)t.size() || i < 0 || j < 0) return 0; if (dp[i][j] != -1) { return dp[i][j]; } else if (s[i] == t[j]) { dp[i][j] = 1 + lcsMemo(i + 1, j + 1, s, t, dp); return dp[i][j]; } else { int firstRemoval = lcsMemo(i + 1, j, s, t, dp); int secondRemoval = lcsMemo(i, j + 1, s, t, dp); dp[i][j] = max(firstRemoval, secondRemoval); return dp[i][j]; } } string lcsWord(vector<vector<int>> &dp, string s, string t) { int i = 0, j = 0; string res = ""; while (i < dp.size() && j < dp[0].size()) { // cout<<i<<" "<<j<<" "; if (s[i] == t[j]) { // cout<<"1"<<endl; res += s[i]; i++; j++; } else if (dp[i + 1][j] > dp[i][j + 1]) { // cout<<2<<endl; i++; } else { // cout<<3<<endl; j++; } } // reverse(res.begin(), res.end()); return res; } int main() { string s, t; cin >> s >> t; vector<vector<int>> dp((int)s.size(), vector<int>((int)t.size(), -1)); int lcsLength = lcsMemo(0, 0, s, t, dp); // for(int i=0; i< (int)s.size(); i++){ // for(int j=0; j< (int)t.size(); j++){ // cout<<dp[i][j]<<" "; // } // cout<<endl; // } string answer = lcsWord(dp, s, t); cout << answer << endl; return 0; }
#include <bits/stdc++.h> using namespace std; /* */ int lcsMemo(int i, int j, string &s, string &t, vector<vector<int>> &dp) { if (i >= (int)s.size() || j >= (int)t.size() || i < 0 || j < 0) return 0; if (dp[i][j] != -1) { return dp[i][j]; } else if (s[i] == t[j]) { dp[i][j] = 1 + lcsMemo(i + 1, j + 1, s, t, dp); return dp[i][j]; } else { int firstRemoval = lcsMemo(i + 1, j, s, t, dp); int secondRemoval = lcsMemo(i, j + 1, s, t, dp); dp[i][j] = max(firstRemoval, secondRemoval); return dp[i][j]; } } string lcsWord(vector<vector<int>> &dp, string s, string t) { int i = 0, j = 0; string res = ""; while (i < dp.size() && j < dp[0].size()) { // cout<<i<<" "<<j<<" "; if (s[i] == t[j]) { // cout<<"1"<<endl; res += s[i]; i++; j++; } else if (i + 1 == dp.size()) { j++; } else if (j + 1 == dp[0].size()) { i++; } else if (dp[i + 1][j] > dp[i][j + 1]) { // cout<<2<<endl; i++; } else { // cout<<3<<endl; j++; } } // reverse(res.begin(), res.end()); return res; } int main() { string s, t; cin >> s >> t; vector<vector<int>> dp((int)s.size(), vector<int>((int)t.size(), -1)); int lcsLength = lcsMemo(0, 0, s, t, dp); // for(int i=0; i< (int)s.size(); i++){ // for(int j=0; j< (int)t.size(); j++){ // cout<<dp[i][j]<<" "; // } // cout<<endl; // } string answer = lcsWord(dp, s, t); cout << answer << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { ios_base ::sync_with_stdio(0); cin.tie(NULL); string a = "", b = ""; cin >> a >> b; int i, j; int al = a.length(); int bl = b.length(); int dp[al + 1][bl + 1]; for (i = 0; i <= al; i++) { dp[0][i] = 0; } for (i = 1; i <= bl; i++) { dp[i][0] = 0; for (j = 1; j <= al; j++) { if (b[i - 1] == a[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } /* for(i=0;i<=bl;i++){ for(j=0;j<=al;j++){ cout << dp[i][j] << " "; } cout << "\n"; }*/ string s = ""; i = bl; j = al; while (dp[i][j] > 0) { if (a[j - 1] == b[i - 1]) { s = s + b[i - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } reverse(s.begin(), s.end()); cout << s; }
#include <bits/stdc++.h> using namespace std; int main() { ios_base ::sync_with_stdio(0); cin.tie(NULL); string a = "", b = ""; cin >> a >> b; int i, j; int al = a.length(); int bl = b.length(); int dp[bl + 1][al + 1]; for (i = 0; i <= al; i++) { dp[0][i] = 0; } for (i = 1; i <= bl; i++) { dp[i][0] = 0; for (j = 1; j <= al; j++) { if (b[i - 1] == a[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } /* for(i=0;i<=bl;i++){ for(j=0;j<=al;j++){ cout << dp[i][j] << " "; } cout << "\n"; }*/ string s = ""; i = bl; j = al; while (dp[i][j] > 0) { if (a[j - 1] == b[i - 1]) { s = s + b[i - 1]; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } reverse(s.begin(), s.end()); cout << s; }
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p03165
C++
Runtime Error
#include <algorithm> #include <bitset> #include <cassert> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; typedef long int int32; typedef unsigned long int uint32; typedef long long int int64; typedef unsigned long long int uint64; typedef pair<int, int> PII; typedef vector<int> VI; typedef vector<long long> VLL; typedef vector<string> VS; typedef vector<PII> VII; typedef vector<VI> VVI; #define MEM(a, b) memset(a, (b), sizeof(a)) #define calctime \ std::cout << setprecision(5) << fixed << "Time to completed program: " \ << (double)(clock() - start) / (CLOCKS_PER_SEC) << "s.\n"; #define FOR(i, j, k, in) for (int i = (j); i < (k); i += (in)) #define FORW(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 RFORW(i, j, k, in) for (int i = (j); i > (k); i -= (in)) #define aint64(cont) cont.begin(), cont.end() #define raint64(cont) cont.end(), cont.begin() #define sz(cont) int((cont).size()) #define PB push_back #define MP make_pair #define EPS 1e-9 #define MOD 1000000007 #define PI 3.1415926535897932384626433832795 #define Ff first #define Ss second #define FastIO \ ios_base::sync_with_stdio(false); \ std::cin.tie(NULL); \ std::cout.tie(NULL); #define fileIO(name) \ ifstream iFs(name ".inp"); \ ofstream oFs(name ".out"); #define fileio(name) \ ifstream cin(name ".inp"); \ ofstream cout(name ".out"); #define endl '\n' // int dx[] = {1, 0, -1, 0, 1, 1, -1, -1}, dy[] = {0, -1, 0, 1, 1, -1, -1, 1}; int dp[3005][3005] = {}; int main() { FastIO; #ifndef ONLINE_JUDGE fileio("input"); // Remember to change this #endif string s, t; cin >> s >> t; int n = sz(s), m = sz(t); FORW(i, 0, n, 1) FORW(j, 0, m, 1) { 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 len = dp[n][m]; string ans(len, '?'); int i = n, j = m; while (i && m) { if (s[i - 1] == t[j - 1]) { ans[--len] = s[i - 1]; i--, j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } cout << ans << endl; // calctime return 0; }
#include <algorithm> #include <bitset> #include <cassert> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; typedef long int int32; typedef unsigned long int uint32; typedef long long int int64; typedef unsigned long long int uint64; typedef pair<int, int> PII; typedef vector<int> VI; typedef vector<long long> VLL; typedef vector<string> VS; typedef vector<PII> VII; typedef vector<VI> VVI; #define MEM(a, b) memset(a, (b), sizeof(a)) #define calctime \ std::cout << setprecision(5) << fixed << "Time to completed program: " \ << (double)(clock() - start) / (CLOCKS_PER_SEC) << "s.\n"; #define FOR(i, j, k, in) for (int i = (j); i < (k); i += (in)) #define FORW(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 RFORW(i, j, k, in) for (int i = (j); i > (k); i -= (in)) #define aint64(cont) cont.begin(), cont.end() #define raint64(cont) cont.end(), cont.begin() #define sz(cont) int((cont).size()) #define PB push_back #define MP make_pair #define EPS 1e-9 #define MOD 1000000007 #define PI 3.1415926535897932384626433832795 #define Ff first #define Ss second #define FastIO \ ios_base::sync_with_stdio(false); \ std::cin.tie(NULL); \ std::cout.tie(NULL); #define fileIO(name) \ ifstream iFs(name ".inp"); \ ofstream oFs(name ".out"); #define fileio(name) \ ifstream cin(name ".inp"); \ ofstream cout(name ".out"); #define endl '\n' // int dx[] = {1, 0, -1, 0, 1, 1, -1, -1}, dy[] = {0, -1, 0, 1, 1, -1, -1, 1}; int dp[3005][3005] = {}; int main() { FastIO; #ifndef ONLINE_JUDGE fileio("input"); // Remember to change this #endif string s, t; cin >> s >> t; int n = sz(s), m = sz(t); FORW(i, 0, n, 1) FORW(j, 0, m, 1) { 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 len = dp[n][m]; string ans(len, '?'); int i = n, j = m; while (i && j) { if (s[i - 1] == t[j - 1]) { ans[--len] = s[i - 1]; i--, j--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } cout << ans << endl; // calctime return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define REP(i, s) for (int i = 0; i < s; ++i) #define ALL(v) (v).begin(), (v).end() #define COUT(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl #define EACH(i, s) \ for (__typeof__((s).begin()) i = (s).begin(); i != (s).end(); ++i) #define DEBUG #define int long long #define INF 1e9 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; } template <class T1, class T2> ostream &operator<<(ostream &s, pair<T1, T2> P) { return s << '<' << P.first << ", " << P.second << '>'; } template <class T> ostream &operator<<(ostream &s, vector<T> P) { for (int i = 0; i < P.size(); ++i) { if (i > 0) { s << " "; } s << P[i]; } return s; } template <class T> ostream &operator<<(ostream &s, vector<vector<T>> P) { for (int i = 0; i < P.size(); ++i) { s << endl << P[i]; } return s << endl; } template <class T> ostream &operator<<(ostream &s, set<T> P) { EACH(it, P) { s << "<" << *it << "> "; } return s << endl; } template <class T1, class T2> ostream &operator<<(ostream &s, map<T1, T2> P) { EACH(it, P) { s << "<" << it->first << "->" << it->second << "> "; } return s << endl; } template <class T> void show(vector<T> v) { for (int i = 0; i < v.size(); i++) { cerr << v[i] << " "; } cerr << "\n"; } typedef long long ll; int dp[3010][3010]; signed main() { string s, t; cin >> s >> t; dp[0][0] = 0; string ans = ""; 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; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int i = s.size(), 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; return 0; }
#include <bits/stdc++.h> using namespace std; #define REP(i, s) for (int i = 0; i < s; ++i) #define ALL(v) (v).begin(), (v).end() #define COUT(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl #define EACH(i, s) \ for (__typeof__((s).begin()) i = (s).begin(); i != (s).end(); ++i) #define DEBUG #define int long long #define INF 1e9 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; } template <class T1, class T2> ostream &operator<<(ostream &s, pair<T1, T2> P) { return s << '<' << P.first << ", " << P.second << '>'; } template <class T> ostream &operator<<(ostream &s, vector<T> P) { for (int i = 0; i < P.size(); ++i) { if (i > 0) { s << " "; } s << P[i]; } return s; } template <class T> ostream &operator<<(ostream &s, vector<vector<T>> P) { for (int i = 0; i < P.size(); ++i) { s << endl << P[i]; } return s << endl; } template <class T> ostream &operator<<(ostream &s, set<T> P) { EACH(it, P) { s << "<" << *it << "> "; } return s << endl; } template <class T1, class T2> ostream &operator<<(ostream &s, map<T1, T2> P) { EACH(it, P) { s << "<" << it->first << "->" << it->second << "> "; } return s << endl; } template <class T> void show(vector<T> v) { for (int i = 0; i < v.size(); i++) { cerr << v[i] << " "; } cerr << "\n"; } typedef long long ll; int dp[3010][3010]; signed main() { string s, t; cin >> s >> t; dp[0][0] = 0; string ans = ""; 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; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int i = s.size(), 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; 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; cin >> s >> t; int dp[s.size() + 1][t.size() + 1]; dp[0][0] = 1; for (int i1 = 1; i1 <= t.size(); i1++) dp[0][i1] = 0; for (int i2 = 1; i2 <= s.size(); i2++) dp[i2][0] = 0; 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] = 1 + dp[i - 1][j - 1]; // popoff from both else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); // try both, choose max } } stack<char> lcs; int i, j; i = s.size(); j = t.size(); while (i != 0 || j != 0) { if (dp[i][j] != max(dp[i - 1][j], dp[i][j - 1])) { lcs.push(s[i - 1]); i--; j--; } else { if (dp[i][j - 1] <= dp[i - 1][j]) i--; // dont push, just reach there and in next iteration it will be // pushed else j--; } } while (!lcs.empty()) cout << lcs.top(), lcs.pop(); return 0; }
#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; cin >> s >> t; int dp[s.size() + 1][t.size() + 1]; dp[0][0] = 1; for (int i1 = 1; i1 <= t.size(); i1++) dp[0][i1] = 0; for (int i2 = 1; i2 <= s.size(); i2++) dp[i2][0] = 0; 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] = 1 + dp[i - 1][j - 1]; // popoff from both else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); // try both, choose max } } stack<char> lcs; int i, j; i = s.size(); j = t.size(); while (i != 0 && j != 0) { if (dp[i][j] > max(dp[i - 1][j], dp[i][j - 1])) { lcs.push(s[i - 1]); i--; j--; } else { if (dp[i][j - 1] <= dp[i - 1][j]) i--; // dont push, just reach there and in next iteration it will be // pushed else j--; } } while (!lcs.empty()) cout << lcs.top(), lcs.pop(); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define flb(i, a, b) for (int i = a; i < b; i++) #define ll long long int #define mp make_pair #define pb push_back #define inf (long long)(1e18 + 1e15) typedef pair<int, int> ii; typedef vector<ll> vi; typedef vector<pair<int, int>> vii; typedef vector<vector<int>> vvi; int calculated[100][100]; string s, t; int n, m; int solve(int i, int j) { if (i == n || j == m) return 0; if (calculated[i][j] != -1) return calculated[i][j]; if (s[i] == t[j]) { calculated[i][j] = 1 + solve(i + 1, j + 1); } else { calculated[i][j] = max(solve(i + 1, j), solve(i, j + 1)); } return calculated[i][j]; } int main() { cin >> s >> t; n = s.size(); m = t.size(); int ans = 0; memset(calculated, -1, sizeof(calculated)); solve(0, 0); string temp; int i = 0, j = 0; while (i < n && j < m) { if (s[i] == t[j]) { temp.push_back(s[i]); i++; j++; } else if (calculated[i + 1][j] > calculated[i][j + 1]) { i++; } else j++; } cout << temp; }
#include <bits/stdc++.h> using namespace std; #define flb(i, a, b) for (int i = a; i < b; i++) #define ll long long int #define mp make_pair #define pb push_back #define inf (long long)(1e18 + 1e15) typedef pair<int, int> ii; typedef vector<ll> vi; typedef vector<pair<int, int>> vii; typedef vector<vector<int>> vvi; int calculated[3001][3001]; string s, t; int n, m; int solve(int i, int j) { if (i == n || j == m) return 0; if (calculated[i][j] != -1) return calculated[i][j]; if (s[i] == t[j]) { calculated[i][j] = 1 + solve(i + 1, j + 1); } else { calculated[i][j] = max(solve(i + 1, j), solve(i, j + 1)); } return calculated[i][j]; } int main() { cin >> s >> t; n = s.size(); m = t.size(); int ans = 0; memset(calculated, -1, sizeof(calculated)); solve(0, 0); string temp; int i = 0, j = 0; while (i < n && j < m) { if (s[i] == t[j]) { temp.push_back(s[i]); i++; j++; } else if (calculated[i + 1][j] > calculated[i][j + 1]) { i++; } else j++; } cout << temp; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long int int main() { string s1, s2; cin >> s1 >> s2; int n = s1.size(); int m = s2.size(); vector<vector<int>> dp(n + 1, vector<int>(m + 1, 0)); string ans = ""; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s1[i - 1] == s2[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, j = m; if (dp[n][m] == 0) { cout << ans << endl; return 0; } while (i != 0 || j != 0) { if (s1[i - 1] == s2[j - 1]) { ans = s1[i - 1] + ans; i--; j--; } else { if (dp[i][j - 1] >= dp[i - 1][j]) j--; else i--; } } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define ll long long int int main() { string s1, s2; cin >> s1 >> s2; int n = s1.size(); int m = s2.size(); vector<vector<int>> dp(n + 1, vector<int>(m + 1, 0)); string ans = ""; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s1[i - 1] == s2[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, j = m; if (dp[n][m] == 0) { cout << ans << endl; return 0; } while (i > 0 && j > 0) { if (s1[i - 1] == s2[j - 1]) { ans = s1[i - 1] + ans; i--; j--; } else { if (dp[i][j - 1] >= dp[i - 1][j]) j--; else i--; } } cout << ans << endl; }
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p03165
C++
Runtime Error
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <stack> #include <string> using namespace std; int main() { string a, b; cin >> a; cin >> b; int dp[1001][1001]; for (int i = 0; i <= (int)a.length(); i++) dp[i][0] = 0; for (int i = 0; i <= (int)b.length(); i++) dp[0][i] = 0; for (int i = 1; i <= (int)a.length(); i++) { for (int j = 1; j <= (int)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]); } } } // cout << dp[(int)a.length()][(int)b.length()]; int i = (int)a.length(), j = (int)b.length(); stack<char> st; while (dp[i][j] != 0) { if (dp[i][j] > max(dp[i - 1][j], dp[i][j - 1])) { st.push(a[i - 1]); i--; j--; } else { if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } } while (!st.empty()) { cout << st.top(); st.pop(); } }
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <stack> #include <string> using namespace std; int main() { string a, b; cin >> a; cin >> b; int dp[3001][3001]; for (int i = 0; i <= (int)a.length(); i++) dp[i][0] = 0; for (int i = 0; i <= (int)b.length(); i++) dp[0][i] = 0; for (int i = 1; i <= (int)a.length(); i++) { for (int j = 1; j <= (int)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]); } } } // cout << dp[(int)a.length()][(int)b.length()]; int i = (int)a.length(), j = (int)b.length(); stack<char> st; while (dp[i][j] != 0) { if (dp[i][j] > max(dp[i - 1][j], dp[i][j - 1])) { st.push(a[i - 1]); i--; j--; } else { if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else j--; } } while (!st.empty()) { cout << st.top(); st.pop(); } }
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p03165
C++
Runtime Error
// define DEBUG for debug #define DEBUG #include <bits/stdc++.h> using namespace std; #define F first #define S second #define mp make_pair #define pb push_back #define MAX 3000 #define MOD 1000000007 typedef long long int ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; int dp[MAX + 10][MAX + 10]; string cevap; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifdef DEBUG freopen("i.txt", "r", stdin); freopen("o.txt", "w", stdout); #endif string a, b; cin >> a >> b; int x = a.size(), y = b.size(); for (int i = 1; i <= x; i++) for (int j = 1; j <= y; 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 index = dp[x][y]; while (x > 0 || y > 0) { if (x > 0 && dp[x - 1][y] == dp[x][y]) { x--; } else if (y > 0 && dp[x][y - 1] == dp[x][y]) { y--; } else { cevap += a[x - 1]; x--; y--; } } for (int i = index - 1; i >= 0; i--) cout << cevap[i]; return 0; }
// define DEBUG for debug // #define DEBUG #include <bits/stdc++.h> using namespace std; #define F first #define S second #define mp make_pair #define pb push_back #define MAX 3000 #define MOD 1000000007 typedef long long int ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; int dp[MAX + 10][MAX + 10]; string cevap; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifdef DEBUG freopen("i.txt", "r", stdin); freopen("o.txt", "w", stdout); #endif string a, b; cin >> a >> b; int x = a.size(), y = b.size(); for (int i = 1; i <= x; i++) for (int j = 1; j <= y; 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 index = dp[x][y]; while (x > 0 || y > 0) { if (x > 0 && dp[x - 1][y] == dp[x][y]) { x--; } else if (y > 0 && dp[x][y - 1] == dp[x][y]) { y--; } else { cevap += a[x - 1]; x--; y--; } } for (int i = index - 1; i >= 0; i--) cout << cevap[i]; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; int T, n; const int maxl = 3000 + 5; int dp[maxl][maxl]; int path[maxl][maxl]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); string s, t; cin >> s >> t; dp[0][0] = 0; dp[1][0] = 0; dp[0][1] = 0; path[0][0] = path[0][1] = path[1][0] = -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, path[i][j] = 0; else if (dp[i - 1][j] > dp[i][j - 1]) dp[i][j] = dp[i - 1][j], path[i][j] = 1; else dp[i][j] = dp[i][j - 1], path[i][j] = 2; } // cout << dp[s.size()][t.size()]; char ans[maxl]; int x = s.size(), y = t.size(); int cur = dp[x][y]; ans[cur--] = '\0'; while (path[x][y] != -1) { if (path[x][y] == 0) x--, y--, ans[cur--] = s[x]; else if (path[x][y] == 1) x--; else y--; } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; int T, n; const int maxl = 3000 + 5; int dp[maxl][maxl]; int path[maxl][maxl]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); string s, t; cin >> s >> t; for (int i = 0; i <= max(s.size(), t.size()); i++) dp[0][i] = dp[i][0] = 0, path[0][i] = path[i][0] = -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, path[i][j] = 0; else if (dp[i - 1][j] > dp[i][j - 1]) dp[i][j] = dp[i - 1][j], path[i][j] = 1; else dp[i][j] = dp[i][j - 1], path[i][j] = 2; } // cout << dp[s.size()][t.size()]; char ans[maxl]; int x = s.size(), y = t.size(); int cur = dp[x][y]; ans[cur--] = '\0'; while (path[x][y] != -1) { if (path[x][y] == 0) x--, y--, ans[cur--] = s[x]; else if (path[x][y] == 1) x--; else y--; } cout << ans; return 0; }
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p03165
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Runtime Error
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const int N = 1e3 + 5; int dp[N][N]; string a, b, ans; int dpf(int i, int j) { if (dp[i][j] != -INF) return dp[i][j]; if (!i or !j) return dp[i][j] = 0; if (a[i - 1] == b[j - 1]) return dp[i][j] = 1 + dpf(i - 1, j - 1); return dp[i][j] = max(dpf(i - 1, j), dpf(i, j - 1)); } void rec(int i, int j) { if (!i or !j) return; if (a[i - 1] == b[j - 1]) ans += a[i - 1], rec(i - 1, j - 1); else if (dp[i][j] == dp[i - 1][j]) rec(i - 1, j); else rec(i, j - 1); } int main() { ios_base::sync_with_stdio(0), cin.tie(0); cin >> a >> b; int n = a.size(), m = b.size(); for (int i = 0; i < N; i++) for (int j = 0; j < N; j++) dp[i][j] = -INF; dpf(n, m); rec(n, m); reverse(ans.begin(), ans.end()); cout << ans << "\n"; }
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const int N = 3e3 + 5; int dp[N][N]; string a, b, ans; int dpf(int i, int j) { if (dp[i][j] != -INF) return dp[i][j]; if (!i or !j) return dp[i][j] = 0; if (a[i - 1] == b[j - 1]) return dp[i][j] = 1 + dpf(i - 1, j - 1); return dp[i][j] = max(dpf(i - 1, j), dpf(i, j - 1)); } void rec(int i, int j) { if (!i or !j) return; if (a[i - 1] == b[j - 1]) ans += a[i - 1], rec(i - 1, j - 1); else if (dp[i][j] == dp[i - 1][j]) rec(i - 1, j); else rec(i, j - 1); } int main() { ios_base::sync_with_stdio(0), cin.tie(0); cin >> a >> b; int n = a.size(), m = b.size(); for (int i = 0; i < N; i++) for (int j = 0; j < N; j++) dp[i][j] = -INF; dpf(n, m); rec(n, m); reverse(ans.begin(), ans.end()); cout << ans << "\n"; }
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p03165
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Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; const int INF = 1 << 29; const int MOD = (int)1e9 + 7; const double EPS = 1e-9; #ifdef LOCAL_ENV #define debug(var) std::cout << #var " = " << var << std::endl #else #define debug(var) #endif #define p(var) std::cout << var << std::endl #define PI (acos(-1)) #define rep(i, n) for (int i = 0, i##_length = (n); i < i##_length; ++i) #define repeq(i, n) for (int i = 1, i##_length = (n); i <= i##_length; ++i) #define all(a) (a).begin(), (a).end() #define pb push_back inline double isnatural(double a) { return a >= 0 && ceil(a) == floor(a); } template <typename T> inline T gcd(T a, T b) { return b ? gcd(b, a % b) : a; } template <typename T> inline T lcm(T a, T b) { return a / gcd(a, b) * b; } template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } template <typename T1, typename T2> ostream &operator<<(ostream &s, const pair<T1, T2> &p) { return s << "(" << p.first << ", " << p.second << ")"; } template <typename T> ostream &operator<<(ostream &s, const vector<T> &v) { for (int i = 0, len = v.size(); i < len; ++i) { s << v[i]; if (i < len - 1) s << "\t"; } return s; } template <typename T> ostream &operator<<(ostream &s, const vector<vector<T>> &vv) { for (int i = 0, len = vv.size(); i < len; ++i) { s << vv[i] << endl; } return s; } template <typename T1, typename T2> ostream &operator<<(ostream &s, const map<T1, T2> &m) { s << "{" << endl; for (typeof(m.begin()) itr = m.begin(); itr != m.end(); ++itr) { s << "\t" << (*itr).first << " : " << (*itr).second << endl; } s << "}" << endl; return s; } /*-----8<-----8<-----*/ // sとtの最長共通部分列を求める // 戻り値:最長共通部分列の長さ // dp配列を格納して返す ll lcs(string s, string t, vector<vector<ll>> &dp) { dp.assign(s.size() + 1, vector<ll>(t.size() + 1, 0)); for (ll i = 0, slen = s.size(); i < slen; i++) { for (ll j = 0, tlen = t.size(); j < tlen; j++) { 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]); } } return dp[s.size()][t.size()]; } // sとtの最長共通部分列を求める // 戻り値:最長共通部分列の文字列 string buildlcs(string s, string t, vector<vector<ll>> &dp) { string lcsstr = ""; ll i = s.size(); ll j = t.size(); if (dp[i][j] == 0) return 0; 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 { i--; j--; lcsstr = s[i] + lcsstr; } } return lcsstr; } signed main() { // Longest Common Subsequence string s, t; cin >> s >> t; vector<vector<ll>> dp; ll lcsnum = lcs(s, t, dp); debug(lcsnum); string lcsstr = buildlcs(s, t, dp); p(lcsstr); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; const int INF = 1 << 29; const int MOD = (int)1e9 + 7; const double EPS = 1e-9; #ifdef LOCAL_ENV #define debug(var) std::cout << #var " = " << var << std::endl #else #define debug(var) #endif #define p(var) std::cout << var << std::endl #define PI (acos(-1)) #define rep(i, n) for (int i = 0, i##_length = (n); i < i##_length; ++i) #define repeq(i, n) for (int i = 1, i##_length = (n); i <= i##_length; ++i) #define all(a) (a).begin(), (a).end() #define pb push_back inline double isnatural(double a) { return a >= 0 && ceil(a) == floor(a); } template <typename T> inline T gcd(T a, T b) { return b ? gcd(b, a % b) : a; } template <typename T> inline T lcm(T a, T b) { return a / gcd(a, b) * b; } template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } template <typename T1, typename T2> ostream &operator<<(ostream &s, const pair<T1, T2> &p) { return s << "(" << p.first << ", " << p.second << ")"; } template <typename T> ostream &operator<<(ostream &s, const vector<T> &v) { for (int i = 0, len = v.size(); i < len; ++i) { s << v[i]; if (i < len - 1) s << "\t"; } return s; } template <typename T> ostream &operator<<(ostream &s, const vector<vector<T>> &vv) { for (int i = 0, len = vv.size(); i < len; ++i) { s << vv[i] << endl; } return s; } template <typename T1, typename T2> ostream &operator<<(ostream &s, const map<T1, T2> &m) { s << "{" << endl; for (typeof(m.begin()) itr = m.begin(); itr != m.end(); ++itr) { s << "\t" << (*itr).first << " : " << (*itr).second << endl; } s << "}" << endl; return s; } /*-----8<-----8<-----*/ // sとtの最長共通部分列を求める // 戻り値:最長共通部分列の長さ // dp配列を格納して返す ll lcs(string s, string t, vector<vector<ll>> &dp) { dp.assign(s.size() + 1, vector<ll>(t.size() + 1, 0)); for (ll i = 0, slen = s.size(); i < slen; i++) { for (ll j = 0, tlen = t.size(); j < tlen; j++) { 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]); } } return dp[s.size()][t.size()]; } // sとtの最長共通部分列を求める // 戻り値:最長共通部分列の文字列 string buildlcs(string s, string t, vector<vector<ll>> &dp) { string lcsstr = ""; ll i = s.size(); ll j = t.size(); if (dp[i][j] == 0) return ""; 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 { i--; j--; lcsstr = s[i] + lcsstr; } } return lcsstr; } signed main() { // Longest Common Subsequence string s, t; cin >> s >> t; vector<vector<ll>> dp; ll lcsnum = lcs(s, t, dp); debug(lcsnum); string lcsstr = buildlcs(s, t, dp); p(lcsstr); return 0; }
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p03165
C++
Runtime Error
#define NDEBUG NDEBUG #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cmath> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <memory> #include <queue> #include <random> #include <set> #include <sstream> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; template <class T> using vec = std::vector<T>; template <class T> using vec2d = std::vector<std::vector<T>>; template <class T> vec2d<T> makeVec2d(const int n1, const int n2, const T initValue) { return vec2d<T>(n1, vec<T>(n2, initValue)); } #define FOR(i, n) for (int i = 0; i < (n); ++i) #define all(c) c.begin(), c.end() // TC_REMOVE_BEGIN /// caide keep bool __hack = std::ios::sync_with_stdio(false); /// caide keep auto __hack1 = cin.tie(nullptr); // TC_REMOVE_END // Section with adoption of array and vector algorithms. // #include <ext/pb_ds/tree_policy.hpp> // #include <ext/pb_ds/assoc_container.hpp> // // template <class T> using StdTree = tree<T, null_type, less<T>, // rb_tree_tag,tree_order_statistics_node_update>; namespace template_util { constexpr int bytecount(uint64_t x) { return x ? 1 + bytecount(x >> 8) : 0; } template <int N> struct bytetype {}; /// caide keep template <uint64_t N> struct minimal_uint : bytetype<bytecount(N)> {}; } // namespace template_util template <class T> T next(istream &in) { T ret; in >> ret; return ret; } void solve(istream &in, ostream &out) { auto s = next<string>(in); auto t = next<string>(in); vec2d<int> f = makeVec2d<int>(s.length() + 1, t.length() + 1, -1); vec2d<int> p = makeVec2d<int>(s.length() + 1, t.length() + 1, -1); f[0][0] = 0; FOR(i, s.length()) { FOR(j, t.length()) { if (f[i][j] != -1) { if (f[i + 1][j] < f[i][j]) { f[i + 1][j] = f[i][j]; p[i + 1][j] = 0; } if (f[i][j + 1] < f[i][j]) { f[i][j + 1] = f[i][j]; p[i][j + 1] = 1; } if (s[i] == t[j]) { if (f[i + 1][j + 1] < f[i][j] + 1) { f[i + 1][j + 1] = f[i][j] + 1; p[i + 1][j + 1] = 2; } } } } } int res = 0; int bi = -1, bj = -1; FOR(i, s.length() + 1) { FOR(j, t.length() + 1) { if (res < f[i][j]) { res = f[i][j]; bi = i; bj = j; } } } string r; while (bi != 0 || bj != 0) { if (p[bi][bj] == 2) { r.push_back(s[bi - 1]); --bi; --bj; } else if (p[bi][bj] == 0) { --bi; } else { --bj; } } reverse(all(r)); out << r << "\n"; } // #include <fstream> int main() { // ifstream fin("bridges.in"); // ofstream fout("bridges.out"); solve(cin, cout); // solve(fin, fout); return 0; }
#define NDEBUG NDEBUG #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cmath> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <memory> #include <queue> #include <random> #include <set> #include <sstream> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; template <class T> using vec = std::vector<T>; template <class T> using vec2d = std::vector<std::vector<T>>; template <class T> vec2d<T> makeVec2d(const int n1, const int n2, const T initValue) { return vec2d<T>(n1, vec<T>(n2, initValue)); } #define FOR(i, n) for (int i = 0; i < (n); ++i) #define all(c) c.begin(), c.end() // TC_REMOVE_BEGIN /// caide keep bool __hack = std::ios::sync_with_stdio(false); /// caide keep auto __hack1 = cin.tie(nullptr); // TC_REMOVE_END // Section with adoption of array and vector algorithms. // #include <ext/pb_ds/tree_policy.hpp> // #include <ext/pb_ds/assoc_container.hpp> // // template <class T> using StdTree = tree<T, null_type, less<T>, // rb_tree_tag,tree_order_statistics_node_update>; namespace template_util { constexpr int bytecount(uint64_t x) { return x ? 1 + bytecount(x >> 8) : 0; } template <int N> struct bytetype {}; /// caide keep template <uint64_t N> struct minimal_uint : bytetype<bytecount(N)> {}; } // namespace template_util template <class T> T next(istream &in) { T ret; in >> ret; return ret; } void solve(istream &in, ostream &out) { auto s = next<string>(in); auto t = next<string>(in); vec2d<int> f = makeVec2d<int>(s.length() + 1, t.length() + 1, -1); vec2d<int> p = makeVec2d<int>(s.length() + 1, t.length() + 1, -1); f[0][0] = 0; FOR(i, s.length()) { FOR(j, t.length()) { if (f[i][j] != -1) { if (f[i + 1][j] < f[i][j]) { f[i + 1][j] = f[i][j]; p[i + 1][j] = 0; } if (f[i][j + 1] < f[i][j]) { f[i][j + 1] = f[i][j]; p[i][j + 1] = 1; } if (s[i] == t[j]) { if (f[i + 1][j + 1] < f[i][j] + 1) { f[i + 1][j + 1] = f[i][j] + 1; p[i + 1][j + 1] = 2; } } } } } int res = 0; int bi = 0, bj = 0; FOR(i, s.length() + 1) { FOR(j, t.length() + 1) { if (res < f[i][j]) { res = f[i][j]; bi = i; bj = j; } } } string r; while (bi != 0 || bj != 0) { if (p[bi][bj] == 2) { r.push_back(s[bi - 1]); --bi; --bj; } else if (p[bi][bj] == 0) { --bi; } else { --bj; } } reverse(all(r)); out << r << "\n"; } // #include <fstream> int main() { // ifstream fin("bridges.in"); // ofstream fout("bridges.out"); solve(cin, cout); // solve(fin, fout); return 0; }
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Runtime Error
#include <bits/stdc++.h> #define Fast cin.tie(0), ios::sync_with_stdio(0) #define All(x) x.begin(), x.end() #define louisfghbvc \ int t; \ cin >> t; \ while (t--) #define sz(x) (int)(x).size() using namespace std; typedef long long LL; typedef pair<LL, LL> ii; typedef vector<LL> vi; template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; string sep = ""; for (const auto &x : v) os << sep << x, sep = ", "; return os << '}'; } template <typename A, typename B> ostream &operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; } void dbg_out() { cerr << "\n"; } template <typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } const int N = 3e3 + 5; int dp[N][N]; int dir[N][N]; void solve() { string s, t; cin >> s >> t; int n = s.size(); int m = t.size(); memset(dp, 0, sizeof dp); memset(dir, 0, sizeof dir); 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; dir[i][j] = 1; } else { if (dp[i - 1][j] > dp[i][j - 1]) { dir[i][j] = 2; dp[i][j] = dp[i - 1][j]; } else { dir[i][j] = 3; dp[i][j] = dp[i][j - 1]; } } string res = ""; int i = n, j = m; while (i > 0 || j > 0) { if (dir[i][j] == 1) { res += s[i - 1]; i--; j--; } else if (dir[i][j] == 2) i--; else j--; } reverse(All(res)); cout << res << "\n"; } int main() { Fast; // louisfghbvc{ solve(); //} return 0; }
#include <bits/stdc++.h> #define Fast cin.tie(0), ios::sync_with_stdio(0) #define All(x) x.begin(), x.end() #define louisfghbvc \ int t; \ cin >> t; \ while (t--) #define sz(x) (int)(x).size() using namespace std; typedef long long LL; typedef pair<LL, LL> ii; typedef vector<LL> vi; template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; string sep = ""; for (const auto &x : v) os << sep << x, sep = ", "; return os << '}'; } template <typename A, typename B> ostream &operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; } void dbg_out() { cerr << "\n"; } template <typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } const int N = 3e3 + 5; int dp[N][N]; int dir[N][N]; void solve() { string s, t; cin >> s >> t; int n = s.size(); int m = t.size(); memset(dp, 0, sizeof dp); memset(dir, 0, sizeof dir); 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; dir[i][j] = 1; } else { if (dp[i - 1][j] > dp[i][j - 1]) { dir[i][j] = 2; dp[i][j] = dp[i - 1][j]; } else { dir[i][j] = 3; dp[i][j] = dp[i][j - 1]; } } string res = ""; int i = n, j = m; while (i > 0 && j > 0) { if (dir[i][j] == 1) { res += s[i - 1]; i--; j--; } else if (dir[i][j] == 2) i--; else j--; } reverse(All(res)); cout << res << "\n"; } int main() { Fast; // louisfghbvc{ solve(); //} return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define FAST_IO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL) #define trace1(x) cerr << #x << ": " << x << endl #define trace2(x, y) cerr << #x << ": " << x << " | " << #y << ": " << y << endl #define trace3(x, y, z) \ cerr << #x << ":" << x << " | " << #y << ": " << y << " | " << #z << ": " \ << z << endl #define trace4(a, b, c, d) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << endl #define trace5(a, b, c, d, e) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << " | " << #e << ": " << e << endl #define trace6(a, b, c, d, e, f) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << " | " << #e << ": " << e << " | " \ << #f << ": " << f << endl int main() { FAST_IO; string s, t; cin >> s >> t; int n1 = s.length(); int n2 = t.length(); int dp[n1 + 1][n2 + 1]; for (int i = 0; i < n1 + 1; i++) { dp[i][n2] = 0; } for (int i = 0; i < n2 + 1; i++) { dp[n1][i] = 0; } for (int i = n1 - 1; i >= 0; i--) { for (int j = n2 - 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 <= n1; i++){ for(int j= 0; j <=n2; j++){ cout << dp[i][j] << " "; } cout << endl; }*/ string ans; int i = 0; int j = 0; while (i < n1 || j < n2) { if (s[i] == t[j]) { ans.push_back(s[i]); i++; j++; } else { if (dp[i + 1][j] == dp[i][j]) { i++; } else { j++; } } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define FAST_IO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL) #define trace1(x) cerr << #x << ": " << x << endl #define trace2(x, y) cerr << #x << ": " << x << " | " << #y << ": " << y << endl #define trace3(x, y, z) \ cerr << #x << ":" << x << " | " << #y << ": " << y << " | " << #z << ": " \ << z << endl #define trace4(a, b, c, d) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << endl #define trace5(a, b, c, d, e) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << " | " << #e << ": " << e << endl #define trace6(a, b, c, d, e, f) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << " | " << #e << ": " << e << " | " \ << #f << ": " << f << endl int main() { FAST_IO; string s, t; cin >> s >> t; int n1 = s.length(); int n2 = t.length(); int dp[n1 + 1][n2 + 1]; for (int i = 0; i < n1 + 1; i++) { dp[i][n2] = 0; } for (int i = 0; i < n2 + 1; i++) { dp[n1][i] = 0; } for (int i = n1 - 1; i >= 0; i--) { for (int j = n2 - 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 <= n1; i++){ for(int j= 0; j <=n2; j++){ cout << dp[i][j] << " "; } cout << endl; }*/ string ans; int i = 0; int j = 0; while (i < n1 && j < n2) { if (s[i] == t[j]) { ans.push_back(s[i]); i++; j++; } else { if (dp[i + 1][j] == dp[i][j]) { i++; } else { j++; } } } cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long #define mod 1000000007 #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); ll w[100], v[100], ar[100][100000], sum; int main() { string a, b; cin >> a >> b; ll n = a.length(), m = b.length(), i, j, dp[m + 1][n + 1]; for (i = 0; i <= m; i++) { for (j = 0; j <= n; j++) { if (i == 0 || j == 0) dp[i][j] = 0; else 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]); } } string s = ""; i = m, j = n; while (i > 0 || j > 0) { if (b[i - 1] == a[j - 1]) { s = a[j - 1] + s; i--, j--; } else if (dp[i][j - 1] > dp[i - 1][j]) j--; else i--; } cout << s; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define mod 1000000007 #define fast \ ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); ll w[100], v[100], ar[100][100000], sum; int main() { string a, b; cin >> a >> b; ll n = a.length(), m = b.length(), i, j, dp[m + 1][n + 1]; for (i = 0; i <= m; i++) { for (j = 0; j <= n; j++) { if (i == 0 || j == 0) dp[i][j] = 0; else 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]); } } string s = ""; i = m, j = n; while (i > 0 && j > 0) { if (b[i - 1] == a[j - 1]) { s = a[j - 1] + s; i--, j--; } else if (dp[i][j - 1] > dp[i - 1][j]) j--; else i--; } cout << s; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #include <ctype.h> #include <iostream> #include <stdio.h> #define lldi unsigned long long int using namespace std; string cadena; int dp[400][400] = {0}; int lcs(string s1, string s2) { int tam1 = s1.length(); int tam2 = s2.length(); for (int i = 1; i <= tam1; i++) { for (int j = 1; j <= tam2; j++) { 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]); } } int i = tam1; int j = tam2; int band = 0; while (i > 0 && j > 0) { if (s1[i - 1] == s2[j - 1]) { cadena.push_back(s1[i - 1]); i--; j--; } else if (dp[i][j - 1] > dp[i - 1][j]) j--; else i--; } if (cadena.size() == 0) printf("\n"); else { for (int i = cadena.size() - 1; i >= 0; i--) cout << cadena[i]; cout << endl; } } int main() { string s1, s2; cin >> s1; cin >> s2; lcs(s1, s2); return 0; }
#include <bits/stdc++.h> #include <ctype.h> #include <iostream> #include <stdio.h> #define lldi unsigned long long int using namespace std; string cadena; int dp[4000][4000] = {0}; int lcs(string s1, string s2) { int tam1 = s1.length(); int tam2 = s2.length(); for (int i = 1; i <= tam1; i++) { for (int j = 1; j <= tam2; j++) { 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]); } } int i = tam1; int j = tam2; int band = 0; while (i > 0 && j > 0) { if (s1[i - 1] == s2[j - 1]) { cadena.push_back(s1[i - 1]); i--; j--; } else if (dp[i][j - 1] > dp[i - 1][j]) j--; else i--; } if (cadena.size() == 0) printf("\n"); else { for (int i = cadena.size() - 1; i >= 0; i--) cout << cadena[i]; cout << endl; } } int main() { string s1, s2; cin >> s1; cin >> s2; lcs(s1, s2); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define int long long #define all(x) x.begin(), x.end() #define fi first #define se second #define endl '\n' const int mod = 1e9 + 7, u = 1e5 + 5; signed main() { ios::sync_with_stdio(0); cin.tie(0); 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++) { dp[i][0] = 0; } for (int i = 0; i <= m; i++) { dp[0][i] = 0; } 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; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int x = n, y = m; string ans; while (n > 0 and y > 0) { if (s[x - 1] == t[y - 1]) { ans += s[x - 1]; x--; y--; } else if (dp[x][y] == dp[x - 1][y]) { x--; } else { y--; } } reverse(all(ans)); cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define all(x) x.begin(), x.end() #define fi first #define se second #define endl '\n' const int mod = 1e9 + 7, u = 1e5 + 5; signed main() { ios::sync_with_stdio(0); cin.tie(0); 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++) { dp[i][0] = 0; } for (int i = 0; i <= m; i++) { dp[0][i] = 0; } 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; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } int x = n, y = m; string ans; while (x > 0 and y > 0) { if (s[x - 1] == t[y - 1]) { ans += s[x - 1]; x--; y--; } else if (dp[x][y] == dp[x - 1][y]) { x--; } else { y--; } } reverse(all(ans)); cout << ans; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int dp[1005][1005]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); string a, b, t = ""; cin >> a >> b; for (int i = 1; i <= a.size(); i++) for (int j = 1; j <= b.size(); 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.size(), j = b.size(); while (dp[i][j]) { 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]) i--, j--, t += a[i]; } reverse(t.begin(), t.end()); cout << t; } /*#include <stack> #include <algorithm> #include <cassert> #include <chrono> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <string> #include <vector> using namespace std; using LL = long long; #define eps 1e-8 #define fi first #define se second #define eb emplace_back #define close std::ios::sync_with_stdio(false),cin.tie(nullptr),cout.tie(nullptr) #define FOR(i, x, y) for (LL i = (x), _##i = (y); i < _##i; ++i) #define FORD(i, x, y) for (LL i = (x), _##i = (y); i > _##i; --i) #define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end())))) #define CASET int ___T; scanf("%d", &___T); for(int __CS=1;__CS<=___T;__CS++) typedef long long ll; typedef vector<int> vi; typedef pair<int,int> pii; mt19937 dlsrand(random_device{}()); mt19937 mrand(std::chrono::system_clock::now().time_since_epoch().count()); int rnd(int x) { return mrand() % x;} LL bin(LL x, LL n, LL MOD) {LL ret = MOD != 1;for (x %= MOD; n; n >>= 1, x = x * x % MOD)if (n & 1) ret = ret * x % MOD;return ret;} inline LL get_inv(LL x, LL p) { return bin(x, p - 2, p); } const double PI = acos(-1.0); constexpr int maxn = 1e6+10; constexpr int INF = 0x3f3f3f3f; constexpr ll linf = 0x3f3f3f3f3f3f3f3f; constexpr int mod = 1e9+7; int dp[1005][1005]; int main() { string s, t; cin >> s >> t; int len1 = s.size(), len2= t.size(); for(int i = 0; i < len1 ; i++){ for(int j = 0; j < len2; j++){ if(s[i] == t[i]){ dp[i+1][j+1] = dp[i][j] + 1; }else { dp[i+1][j+1] = max(dp[i][j+1],dp[i+1][j]); } } }cout << dp[len1 ] [len2] ; }*/
#include <bits/stdc++.h> using namespace std; int dp[3005][3005]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); string a, b, t = ""; cin >> a >> b; for (int i = 1; i <= a.size(); i++) for (int j = 1; j <= b.size(); 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.size(), j = b.size(); while (dp[i][j]) { 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]) i--, j--, t += a[i]; } reverse(t.begin(), t.end()); cout << t; } /*#include <stack> #include <algorithm> #include <cassert> #include <chrono> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <string> #include <vector> using namespace std; using LL = long long; #define eps 1e-8 #define fi first #define se second #define eb emplace_back #define close std::ios::sync_with_stdio(false),cin.tie(nullptr),cout.tie(nullptr) #define FOR(i, x, y) for (LL i = (x), _##i = (y); i < _##i; ++i) #define FORD(i, x, y) for (LL i = (x), _##i = (y); i > _##i; --i) #define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end())))) #define CASET int ___T; scanf("%d", &___T); for(int __CS=1;__CS<=___T;__CS++) typedef long long ll; typedef vector<int> vi; typedef pair<int,int> pii; mt19937 dlsrand(random_device{}()); mt19937 mrand(std::chrono::system_clock::now().time_since_epoch().count()); int rnd(int x) { return mrand() % x;} LL bin(LL x, LL n, LL MOD) {LL ret = MOD != 1;for (x %= MOD; n; n >>= 1, x = x * x % MOD)if (n & 1) ret = ret * x % MOD;return ret;} inline LL get_inv(LL x, LL p) { return bin(x, p - 2, p); } const double PI = acos(-1.0); constexpr int maxn = 1e6+10; constexpr int INF = 0x3f3f3f3f; constexpr ll linf = 0x3f3f3f3f3f3f3f3f; constexpr int mod = 1e9+7; int dp[1005][1005]; int main() { string s, t; cin >> s >> t; int len1 = s.size(), len2= t.size(); for(int i = 0; i < len1 ; i++){ for(int j = 0; j < len2; j++){ if(s[i] == t[i]){ dp[i+1][j+1] = dp[i][j] + 1; }else { dp[i+1][j+1] = max(dp[i][j+1],dp[i+1][j]); } } }cout << dp[len1 ] [len2] ; }*/
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define pb push_back #define f(i, n) for (int i = 0; i < n; i++) #define fast \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) const int N = 3005; int dp[N][N], n, m; string s, t; void solve() { cin >> s >> t; n = s.length(); m = t.length(); 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; else dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); int nn = n; int mm = m; vector<char> v; while (nn >= 0 && mm >= 0) { if (s[nn - 1] == t[mm - 1]) { v.pb(s[nn - 1]); nn--; mm--; } else if (dp[nn][mm - 1] > dp[nn - 1][mm]) mm--; else nn--; } reverse(v.begin(), v.end()); for (auto z : v) cout << z; } signed main() { fast; int t = 1; // cin >> t; while (t--) solve(); }
#include <bits/stdc++.h> using namespace std; #define pb push_back #define f(i, n) for (int i = 0; i < n; i++) #define fast \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) const int N = 3005; int dp[N][N], n, m; string s, t; void solve() { cin >> s >> t; n = s.length(); m = t.length(); 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; else dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); int nn = n; int mm = m; vector<char> v; while (nn >= 1 && mm >= 1) { if (s[nn - 1] == t[mm - 1]) { v.pb(s[nn - 1]); nn--; mm--; } else if (dp[nn][mm - 1] > dp[nn - 1][mm]) mm--; else nn--; } reverse(v.begin(), v.end()); for (auto z : v) cout << z; } signed main() { fast; int t = 1; // cin >> t; while (t--) solve(); }
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p03165
C++
Runtime Error
#include <iostream> #include <string> #include <utility> using namespace std; typedef pair<int, int> P; typedef pair<int, P> PP; int main() { string s, t; cin >> s >> t; int n = s.size(), m = t.size(); PP dp[100][100]; fill(dp[0], dp[0] + 100, PP(0, P(-1, -1))); for (int i = 0; i < 100; i++) { dp[i][0] = PP(0, P(-1, -1)); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = PP(dp[i - 1][j - 1].first + 1, P(i - 1, j - 1)); else { if (dp[i - 1][j].first >= dp[i][j - 1].first) dp[i][j] = dp[i - 1][j]; else dp[i][j] = dp[i][j - 1]; } } } P p = dp[n][m].second; char c[3002]; while (p.first >= 0 && p.second >= 0) { c[dp[p.first][p.second].first] = s[p.first]; p = dp[p.first][p.second].second; } for (int i = 0; i < dp[n][m].first; i++) cout << c[i]; cout << endl; }
#include <iostream> #include <string> #include <utility> using namespace std; typedef pair<int, int> P; typedef pair<int, P> PP; int main() { string s, t; cin >> s >> t; int n = s.size(), m = t.size(); PP dp[3002][3002]; fill(dp[0], dp[0] + 3002, PP(0, P(-1, -1))); for (int i = 0; i < 3002; i++) { dp[i][0] = PP(0, P(-1, -1)); } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (s[i - 1] == t[j - 1]) dp[i][j] = PP(dp[i - 1][j - 1].first + 1, P(i - 1, j - 1)); else { if (dp[i - 1][j].first >= dp[i][j - 1].first) dp[i][j] = dp[i - 1][j]; else dp[i][j] = dp[i][j - 1]; } } } P p = dp[n][m].second; char c[3002]; while (p.first >= 0 && p.second >= 0) { c[dp[p.first][p.second].first] = s[p.first]; p = dp[p.first][p.second].second; } for (int i = 0; i < dp[n][m].first; i++) cout << c[i]; cout << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; string str1, str2; int dp[1000][1000], n, m; int solve(int id1, int id2) { if (id1 == n || id2 == m) return 0; if (dp[id1][id2] != -1) return dp[id1][id2]; int ans = 0; if (str1[id1] == str2[id2]) ans = max(ans, 1 + solve(id1 + 1, id2 + 1)); else ans = max(solve(id1 + 1, id2), solve(id1, id2 + 1)); return dp[id1][id2] = ans; } string printLCS() { int id1 = 0, id2 = 0; string str = ""; while (id1 < n && id2 < m) { if (str1[id1] == str2[id2]) { str += str1[id1]; id1++; id2++; } else if (dp[id1 + 1][id2] > dp[id1][id2 + 1]) id1++; else id2++; } return str; } int main() { cin >> str1 >> str2; n = str1.size(); m = str2.size(); memset(dp, -1, sizeof dp); solve(0, 0); cout << printLCS() << endl; return 0; }
#include <bits/stdc++.h> using namespace std; string str1, str2; int dp[5000][5000], n, m; int solve(int id1, int id2) { if (id1 == n || id2 == m) return 0; if (dp[id1][id2] != -1) return dp[id1][id2]; int ans = 0; if (str1[id1] == str2[id2]) ans = max(ans, 1 + solve(id1 + 1, id2 + 1)); else ans = max(solve(id1 + 1, id2), solve(id1, id2 + 1)); return dp[id1][id2] = ans; } string printLCS() { int id1 = 0, id2 = 0; string str = ""; while (id1 < n && id2 < m) { if (str1[id1] == str2[id2]) { str += str1[id1]; id1++; id2++; } else if (dp[id1 + 1][id2] > dp[id1][id2 + 1]) id1++; else id2++; } return str; } int main() { cin >> str1 >> str2; n = str1.size(); m = str2.size(); memset(dp, -1, sizeof dp); solve(0, 0); cout << printLCS() << endl; return 0; }
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p03165
C++
Runtime Error
#pragma GCC optimize("O3") #include <bits/stdc++.h> #define ll long long #define ld long double #define endl '\n' #define INF 10000000000000000 #define pll pair<ll, ll> #define ff first #define ss second using namespace std; const ll N = 200005; const ll MOD = 998244353; ll dp[305][305]; pll p[305][305]; int main() { // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); string s, t; cin >> s >> t; ll n = s.size(); ll m = t.size(); for (ll i = 0; i < n; i++) { for (ll j = 0; j < m; j++) { if (s[i] == t[j]) { if (dp[i + 1][j + 1] < dp[i][j] + 1) { dp[i + 1][j + 1] = dp[i][j] + 1; p[i + 1][j + 1] = {i, j}; } } if (dp[i][j + 1] < dp[i][j]) { dp[i][j + 1] = dp[i][j]; p[i][j + 1] = {i, j}; } if (dp[i + 1][j] < dp[i][j]) { dp[i + 1][j] = dp[i][j]; p[i + 1][j] = {i, j}; } } } ll i1 = 0; ll j1 = 0; for (ll i = 0; i < n + 1; i++) { for (ll j = 0; j < m + 1; j++) { if (dp[i][j] > dp[i1][j1]) { i1 = i; j1 = j; } } } string an = ""; while (i1 != 0 && j1 != 0) { pll k = p[i1][j1]; if (dp[i1][j1] > dp[k.ff][k.ss]) an += s[k.ff]; i1 = k.ff; j1 = k.ss; } reverse(an.begin(), an.end()); cout << an; }
#pragma GCC optimize("O3") #include <bits/stdc++.h> #define ll long long #define ld long double #define endl '\n' #define INF 10000000000000000 #define pll pair<ll, ll> #define ff first #define ss second using namespace std; const ll N = 200005; const ll MOD = 998244353; ll dp[3005][3005]; pll p[3005][3005]; int main() { // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); string s, t; cin >> s >> t; ll n = s.size(); ll m = t.size(); for (ll i = 0; i < n; i++) { for (ll j = 0; j < m; j++) { if (s[i] == t[j]) { if (dp[i + 1][j + 1] < dp[i][j] + 1) { dp[i + 1][j + 1] = dp[i][j] + 1; p[i + 1][j + 1] = {i, j}; } } if (dp[i][j + 1] < dp[i][j]) { dp[i][j + 1] = dp[i][j]; p[i][j + 1] = {i, j}; } if (dp[i + 1][j] < dp[i][j]) { dp[i + 1][j] = dp[i][j]; p[i + 1][j] = {i, j}; } } } ll i1 = 0; ll j1 = 0; for (ll i = 0; i < n + 1; i++) { for (ll j = 0; j < m + 1; j++) { if (dp[i][j] > dp[i1][j1]) { i1 = i; j1 = j; } } } string an = ""; while (i1 != 0 && j1 != 0) { pll k = p[i1][j1]; if (dp[i1][j1] > dp[k.ff][k.ss]) an += s[k.ff]; i1 = k.ff; j1 = k.ss; } reverse(an.begin(), an.end()); cout << an; }
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p03165
C++
Runtime Error
/*==========================================================================================*\ ** _ _ _ _ _ _ _ ** ** | |__ _ _/ | |_| |__ | || | _ __ | |__ ** ** | '_ \| | | | | __| '_ \| || |_| '_ \| '_ \ ** ** | |_) | |_| | | |_| | | |__ _| | | | | | | ** ** |_.__/ \__,_|_|\__|_| |_| |_| |_| |_|_| |_| ** \*==========================================================================================*/ //===================================== // Solution Briefing - Foreword //===================================== // Libraries and namespaces // #include <bits/stdc++.h> #include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <tuple> #include <utility> #include <vector> #if __cplusplus >= 201103L #include <chrono> #include <random> #include <unordered_map> #include <unordered_set> #endif // __cplusplus using namespace std; // #define DEBUG #define OPTIONAL_FEATURE //===================================== // Macroes #define sp ' ' #define el '\n' #define task "" #define maxinp () #define fi first #define se second #define pb push_back #define whole(x) x.begin(), x.end() #define whole_1(x) x.begin() + 1, x.end() #define r_whole(x) x.rbegin(), x.rend() #define FOR(i, x, y) for (auto i = x; i <= y; ++i) #define FORl(i, x, y) for (auto i = x; i < y; ++i) #define FORb(i, x, y) for (auto i = x; i >= y; --i) #define FORlb(i, x, y) for (auto i = x; i > y; --i) #define MEMS(x, val) memset(x, val, sizeof(x)) #define what_is(x) cerr << #x << " is " << x << endl; #define FILEOP() \ { \ freopen(task ".inp", "r", stdin); \ freopen(task ".out", "w", stdout); \ } #define FILEOP_DEBUG() \ { \ freopen(task ".inp", "r", stdin); \ freopen(task ".out", "w", stdout); \ freopen(task ".err", "w", stderr); \ } // Macroes - Optional #ifdef OPTIONAL_FEATURE #define pc(x) putchar(x) #define gc() getchar() #endif //===================================== // Auxilary Functions and Fast I/O #ifdef OPTIONAL_FEATURE template <class T, class R> T max(const T &__X, const R &__Y) { return __X > __Y ? __X : __Y; } template <class T, class R> T min(const T &__X, const R &__Y) { return __X < __Y ? __X : __Y; } template <class T, class R> void maximize(T &__X, R __Y) { __X = __X > __Y ? __X : __Y; } template <class T, class R> void minimize(T &__X, R __Y) { __X = __X < __Y ? __X : __Y; } template <class T> int getBit(T &__X, int __i) { return ((__X >> __i) & 1) == 1; } template <class T> bool inRange(T __L, T __R, T __X) { return __L <= __X && __X <= __R; } template <class T> T __abs(T __X) { return (__X < 0) ? -__X : __X; } #endif // Fast I/O template <class T> inline void scan(T &__ret) { __ret = T(); char c = 0; bool neg = 0; while (isdigit(c) == 0 && c != '-') c = getchar(); if (c == '-') { neg = 1; c = getchar(); } for (; isdigit(c) != 0; c = getchar()) __ret = __ret * 10 + c - '0'; __ret = (neg) ? -__ret : __ret; } template <class T> void print(T __X) { if (__X < 0) { putchar('-'); __X *= -1; } if (__X > 9) print(__X / 10); putchar(__X % 10 + '0'); } //===================================== // Constants //===================================== // Typedefs typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> ii; typedef vector<bool> vb; typedef vector<int> vi; typedef vector<ii> vii; typedef vector<vi> vvi; typedef vector<vb> vvb; typedef vector<vii> vvii; string s, t, res; int m, n; vvi dp; //===================================== // Functions and procedures // File I/O and utilities void FileInit() { FILEOP() } void FileDebug() { #ifdef DEBUG FILEOP_DEBUG() #else FILEOP() #endif } void FileClose() { fclose(stdin); fclose(stdout); } // Enter void Enter() { cin >> s >> t; s = '$' + s; t = '#' + t; n = s.size() - 1; m = t.size() - 1; dp = vvi(n + 2, vi(n + 2, 0)); } // Check void Solve() { FOR(i, 1, n) { FOR(j, 1, m) { maximize(dp[i][j], max(dp[i - 1][j], dp[i][j - 1])); if (s[i] == t[j]) maximize(dp[i][j], dp[i - 1][j - 1] + 1); } } int i = n, j = m; while (i > 0 && j > 0) { if (s[i] == t[j]) res = s[i] + res, --j, --i; else if (dp[i][j] == dp[i][j - 1]) --j; else --i; } cout << res << el; } // Main Procedure int main() { Enter(); Solve(); return 0; } //=============================================================================// /** CTB, you are always in my heart and in my code <3 #30yearsCTB **/ //=============================================================================//
/*==========================================================================================*\ ** _ _ _ _ _ _ _ ** ** | |__ _ _/ | |_| |__ | || | _ __ | |__ ** ** | '_ \| | | | | __| '_ \| || |_| '_ \| '_ \ ** ** | |_) | |_| | | |_| | | |__ _| | | | | | | ** ** |_.__/ \__,_|_|\__|_| |_| |_| |_| |_|_| |_| ** \*==========================================================================================*/ //===================================== // Solution Briefing - Foreword //===================================== // Libraries and namespaces // #include <bits/stdc++.h> #include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <tuple> #include <utility> #include <vector> #if __cplusplus >= 201103L #include <chrono> #include <random> #include <unordered_map> #include <unordered_set> #endif // __cplusplus using namespace std; // #define DEBUG #define OPTIONAL_FEATURE //===================================== // Macroes #define sp ' ' #define el '\n' #define task "" #define maxinp () #define fi first #define se second #define pb push_back #define whole(x) x.begin(), x.end() #define whole_1(x) x.begin() + 1, x.end() #define r_whole(x) x.rbegin(), x.rend() #define FOR(i, x, y) for (auto i = x; i <= y; ++i) #define FORl(i, x, y) for (auto i = x; i < y; ++i) #define FORb(i, x, y) for (auto i = x; i >= y; --i) #define FORlb(i, x, y) for (auto i = x; i > y; --i) #define MEMS(x, val) memset(x, val, sizeof(x)) #define what_is(x) cerr << #x << " is " << x << endl; #define FILEOP() \ { \ freopen(task ".inp", "r", stdin); \ freopen(task ".out", "w", stdout); \ } #define FILEOP_DEBUG() \ { \ freopen(task ".inp", "r", stdin); \ freopen(task ".out", "w", stdout); \ freopen(task ".err", "w", stderr); \ } // Macroes - Optional #ifdef OPTIONAL_FEATURE #define pc(x) putchar(x) #define gc() getchar() #endif //===================================== // Auxilary Functions and Fast I/O #ifdef OPTIONAL_FEATURE template <class T, class R> T max(const T &__X, const R &__Y) { return __X > __Y ? __X : __Y; } template <class T, class R> T min(const T &__X, const R &__Y) { return __X < __Y ? __X : __Y; } template <class T, class R> void maximize(T &__X, R __Y) { __X = __X > __Y ? __X : __Y; } template <class T, class R> void minimize(T &__X, R __Y) { __X = __X < __Y ? __X : __Y; } template <class T> int getBit(T &__X, int __i) { return ((__X >> __i) & 1) == 1; } template <class T> bool inRange(T __L, T __R, T __X) { return __L <= __X && __X <= __R; } template <class T> T __abs(T __X) { return (__X < 0) ? -__X : __X; } #endif // Fast I/O template <class T> inline void scan(T &__ret) { __ret = T(); char c = 0; bool neg = 0; while (isdigit(c) == 0 && c != '-') c = getchar(); if (c == '-') { neg = 1; c = getchar(); } for (; isdigit(c) != 0; c = getchar()) __ret = __ret * 10 + c - '0'; __ret = (neg) ? -__ret : __ret; } template <class T> void print(T __X) { if (__X < 0) { putchar('-'); __X *= -1; } if (__X > 9) print(__X / 10); putchar(__X % 10 + '0'); } //===================================== // Constants //===================================== // Typedefs typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> ii; typedef vector<bool> vb; typedef vector<int> vi; typedef vector<ii> vii; typedef vector<vi> vvi; typedef vector<vb> vvb; typedef vector<vii> vvii; string s, t, res; int m, n; vvi dp; //===================================== // Functions and procedures // File I/O and utilities void FileInit() { FILEOP() } void FileDebug() { #ifdef DEBUG FILEOP_DEBUG() #else FILEOP() #endif } void FileClose() { fclose(stdin); fclose(stdout); } // Enter void Enter() { cin >> s >> t; s = '$' + s; t = '#' + t; n = s.size() - 1; m = t.size() - 1; dp = vvi(n + 2, vi(m + 2, 0)); } // Check void Solve() { FOR(i, 1, n) { FOR(j, 1, m) { maximize(dp[i][j], max(dp[i - 1][j], dp[i][j - 1])); if (s[i] == t[j]) maximize(dp[i][j], dp[i - 1][j - 1] + 1); } } int i = n, j = m; while (i > 0 && j > 0) { if (s[i] == t[j]) res = s[i] + res, --j, --i; else if (dp[i][j] == dp[i][j - 1]) --j; else --i; } cout << res << el; } // Main Procedure int main() { Enter(); Solve(); return 0; } //=============================================================================// /** CTB, you are always in my heart and in my code <3 #30yearsCTB **/ //=============================================================================//
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int ans = 0; int main() { string s; string t; cin >> s >> t; int dp[100][100]; for (int i = 0; i <= s.length(); i++) { for (int j = 0; j <= t.length(); 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 - 1][j], dp[i][j - 1]); } } } // cout << dp[s.length()][t.length()]; int i = s.length(), j = t.length(); char ans[dp[i][j] + 1]; ans[dp[i][j]] = '\0'; int k = dp[s.length()][t.length()] - 1; while (i >= 0 && j >= 0) { if (dp[i][j] != dp[i - 1][j] && dp[i][j] != dp[i][j - 1]) { ans[k--] = s[i - 1]; 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 ans = 0; int main() { string s; string t; cin >> s >> t; int m = s.length(); int n = t.length(); int dp[m + 5][n + 5]; 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 (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]); } } } // cout << dp[s.length()][t.length()]; int i = s.length(), j = t.length(); char ans[dp[i][j] + 1]; ans[dp[i][j]] = '\0'; int k = dp[s.length()][t.length()] - 1; while (i >= 0 && j >= 0) { if (dp[i][j] != dp[i - 1][j] && dp[i][j] != dp[i][j - 1]) { ans[k--] = s[i - 1]; 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
#include <bits/stdc++.h> using namespace std; #define debug(n) cerr << #n << ':' << n << endl; #define dline cerr << __LINE__ << endl; using ll = long long; template <class T, class U> using P = pair<T, U>; template <class T> using Heap = priority_queue<T>; template <class T> using heaP = priority_queue<T, vector<T>, greater<T>>; template <class T, class U> using umap = unordered_map<T, U>; template <class T> using uset = unordered_set<T>; template <class T> bool ChangeMax(T &a, const T &b) { if (a >= b) return false; a = b; return true; } template <class T> bool ChangeMin(T &a, const T &b) { if (a <= b) return false; a = b; return true; } template <class T, size_t N, class U> void Fill(T (&a)[N], const U &v) { fill((U *)a, (U *)(a + N), v); } template <class T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; } int main() { string s, t; cin >> s >> t; const int slen = (int)s.size(), tlen = (int)t.size(); vector<vector<int>> dp(slen + 1, vector<int>(tlen + 1, 0)); for (int i = 1; i <= slen; ++i) { for (int j = 1; j <= tlen; ++j) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (s[i - 1] == t[j - 1]) { ChangeMax(dp[i][j], dp[i - 1][j - 1] + 1); } } } string ans; int spos = slen, tpos = tlen; while (spos > 0 || tpos > 0) { if (s[spos - 1] == t[tpos - 1]) { ans += s[spos - 1]; spos--; tpos--; } else { if (dp[spos - 1][tpos] > dp[spos][tpos - 1]) spos--; else tpos--; } } if (ans.size() > 0) reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; } // int main(){ // string s,t; cin >> s >> t; // static string mp[3001][3001] = {}; // int slen = (int)s.size(), tlen = (int)t.size(); // vector<vector<int>> dp(slen+1,vector<int>(tlen+1,0)); // for(int i = 1; i <= slen; ++i){ // for(int j = 1; j <= tlen; ++j){ // dp[i][j] = max(dp[i-1][j],dp[i][j-1]); // mp[i][j] = (dp[i-1][j] < dp[i][j-1] ? mp[i][j-1] : mp[i-1][j]); // if(s[i-1] == t[j-1]){ // if(ChangeMax(dp[i][j],dp[i-1][j-1] + 1)) mp[i][j] = mp[i-1][j-1] + // s[i-1]; // } // mp[i-1][j-1]=""; // mp[i-1][j-1].shrink_to_fit(); // } // } // cout << mp[slen][tlen] << endl; // return 0; // }
#include <bits/stdc++.h> using namespace std; #define debug(n) cerr << #n << ':' << n << endl; #define dline cerr << __LINE__ << endl; using ll = long long; template <class T, class U> using P = pair<T, U>; template <class T> using Heap = priority_queue<T>; template <class T> using heaP = priority_queue<T, vector<T>, greater<T>>; template <class T, class U> using umap = unordered_map<T, U>; template <class T> using uset = unordered_set<T>; template <class T> bool ChangeMax(T &a, const T &b) { if (a >= b) return false; a = b; return true; } template <class T> bool ChangeMin(T &a, const T &b) { if (a <= b) return false; a = b; return true; } template <class T, size_t N, class U> void Fill(T (&a)[N], const U &v) { fill((U *)a, (U *)(a + N), v); } template <class T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; } int main() { string s, t; cin >> s >> t; const int slen = (int)s.size(), tlen = (int)t.size(); vector<vector<int>> dp(slen + 1, vector<int>(tlen + 1, 0)); for (int i = 1; i <= slen; ++i) { for (int j = 1; j <= tlen; ++j) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (s[i - 1] == t[j - 1]) { ChangeMax(dp[i][j], dp[i - 1][j - 1] + 1); } } } string ans; int spos = slen, tpos = tlen; while (spos > 0 && tpos > 0) { if (s[spos - 1] == t[tpos - 1]) { ans += s[spos - 1]; spos--; tpos--; } else { if (dp[spos - 1][tpos] > dp[spos][tpos - 1]) spos--; else tpos--; } } if (ans.size() > 0) reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; } // int main(){ // string s,t; cin >> s >> t; // static string mp[3001][3001] = {}; // int slen = (int)s.size(), tlen = (int)t.size(); // vector<vector<int>> dp(slen+1,vector<int>(tlen+1,0)); // for(int i = 1; i <= slen; ++i){ // for(int j = 1; j <= tlen; ++j){ // dp[i][j] = max(dp[i-1][j],dp[i][j-1]); // mp[i][j] = (dp[i-1][j] < dp[i][j-1] ? mp[i][j-1] : mp[i-1][j]); // if(s[i-1] == t[j-1]){ // if(ChangeMax(dp[i][j],dp[i-1][j-1] + 1)) mp[i][j] = mp[i-1][j-1] + // s[i-1]; // } // mp[i-1][j-1]=""; // mp[i-1][j-1].shrink_to_fit(); // } // } // cout << mp[slen][tlen] << endl; // return 0; // }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> // #define int int64_t #define FOR(i, a, b) for (int i = (a); i < int(b); ++i) #define RFOR(i, a, b) for (int i = (b)-1; i >= int(a); --i) #define rep(i, n) FOR(i, 0, n) #define rep1(i, n) FOR(i, 1, int(n) + 1) #define rrep(i, n) RFOR(i, 0, n) #define rrep1(i, n) RFOR(i, 1, int(n) + 1) #define all(c) begin(c), end(c) template <typename String> String lcs(String const &a, String const &b) { const int n = a.size(), m = b.size(); static int X[2048][2048], Y[2048][2048]; // 16MB x 2 rep(i, n + 1) X[i][0] = 0; rep(i, m + 1) Y[0][i] = 0; rep(i, n) rep(j, m) { if (a[i] == b[j]) { X[i + 1][j + 1] = X[i][j] + 1; Y[i + 1][j + 1] = 0; } else if (X[i + 1][j] < X[i][j + 1]) { X[i + 1][j + 1] = X[i][j + 1]; Y[i + 1][j + 1] = +1; } else { X[i + 1][j + 1] = X[i + 1][j]; Y[i + 1][j + 1] = -1; } } String c; for (int i = n, j = m; i > 0 && j > 0;) { if (Y[i][j] > 0) --i; else if (Y[i][j] < 0) --j; else { c.push_back(a[i - 1]); --i; --j; } } reverse(c.begin(), c.end()); return c; } signed main() { //(1ll<<N)シフト演算のオーバーフローに気をつける std::string x, y; std::cin >> x >> y; std::cout << lcs(x, y) << std::endl; return 0; }
#include <bits/stdc++.h> // #define int int64_t #define FOR(i, a, b) for (int i = (a); i < int(b); ++i) #define RFOR(i, a, b) for (int i = (b)-1; i >= int(a); --i) #define rep(i, n) FOR(i, 0, n) #define rep1(i, n) FOR(i, 1, int(n) + 1) #define rrep(i, n) RFOR(i, 0, n) #define rrep1(i, n) RFOR(i, 1, int(n) + 1) #define all(c) begin(c), end(c) template <typename String> String lcs(String const &a, String const &b) { const int n = a.size(), m = b.size(); static int X[3030][3030], Y[3030][3030]; // 16MB x 2 rep(i, n + 1) X[i][0] = 0; rep(i, m + 1) Y[0][i] = 0; rep(i, n) rep(j, m) { if (a[i] == b[j]) { X[i + 1][j + 1] = X[i][j] + 1; Y[i + 1][j + 1] = 0; } else if (X[i + 1][j] < X[i][j + 1]) { X[i + 1][j + 1] = X[i][j + 1]; Y[i + 1][j + 1] = +1; } else { X[i + 1][j + 1] = X[i + 1][j]; Y[i + 1][j + 1] = -1; } } String c; for (int i = n, j = m; i > 0 && j > 0;) { if (Y[i][j] > 0) --i; else if (Y[i][j] < 0) --j; else { c.push_back(a[i - 1]); --i; --j; } } reverse(c.begin(), c.end()); return c; } signed main() { //(1ll<<N)シフト演算のオーバーフローに気をつける std::string x, y; std::cin >> x >> y; std::cout << lcs(x, y) << std::endl; return 0; }
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p03165
C++
Runtime Error
#include <algorithm> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <vector> using namespace std; typedef long long ll; typedef pair<int, int> P; int dp[3000][3000]; P pre[3000][3000]; int main() { ios::sync_with_stdio(false); cin.tie(0); cout << setprecision(10) << fixed; string s, t; cin >> s >> t; int len = 0; P fin = P(0, 0); for (int i = 0; i < s.size(); i++) { for (int j = 0; j < t.size(); j++) { if (s[i] == t[j]) { if (dp[i][j] + 1 > dp[i + 1][j] && dp[i][j] + 1 > dp[i][j + 1]) { dp[i + 1][j + 1] = dp[i][j] + 1; pre[i + 1][j + 1] = P(i, j); if (len < dp[i + 1][j + 1]) { fin = P(i, j); len = dp[i + 1][j + 1]; } } else if (dp[i][j + 1] > dp[i + 1][j]) { dp[i + 1][j + 1] = dp[i][j + 1]; pre[i + 1][j + 1] = P(i, j + 1); } else { dp[i + 1][j + 1] = dp[i + 1][j]; pre[i + 1][j + 1] = P(i + 1, j); } } else { if (dp[i][j + 1] > dp[i + 1][j]) { dp[i + 1][j + 1] = dp[i][j + 1]; pre[i + 1][j + 1] = P(i, j + 1); } else { dp[i + 1][j + 1] = dp[i + 1][j]; pre[i + 1][j + 1] = P(i + 1, j); } } } } // cout << dp[s.size()][t.size()] << endl; vector<char> ans; int l = fin.first + 1, r = fin.second + 1; // cout << l << ' ' << r << endl; while (l > 0 && r > 0) { P p = pre[l][r]; if (s[l - 1] == t[r - 1] && l != p.first && r != p.second) { ans.push_back(s[l - 1]); // cout << l << ' ' << r << endl; } l = p.first; r = p.second; } // cout << ans.size() << endl; for (int i = 0; i < ans.size(); i++) { cout << ans[ans.size() - i - 1]; } cout << endl; }
#include <algorithm> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <vector> using namespace std; typedef long long ll; typedef pair<int, int> P; int dp[3001][3001]; P pre[3001][3001]; int main() { ios::sync_with_stdio(false); cin.tie(0); cout << setprecision(10) << fixed; string s, t; cin >> s >> t; int len = 0; P fin = P(0, 0); for (int i = 0; i < s.size(); i++) { for (int j = 0; j < t.size(); j++) { if (s[i] == t[j]) { if (dp[i][j] + 1 > dp[i + 1][j] && dp[i][j] + 1 > dp[i][j + 1]) { dp[i + 1][j + 1] = dp[i][j] + 1; pre[i + 1][j + 1] = P(i, j); if (len < dp[i + 1][j + 1]) { fin = P(i, j); len = dp[i + 1][j + 1]; } } else if (dp[i][j + 1] > dp[i + 1][j]) { dp[i + 1][j + 1] = dp[i][j + 1]; pre[i + 1][j + 1] = P(i, j + 1); } else { dp[i + 1][j + 1] = dp[i + 1][j]; pre[i + 1][j + 1] = P(i + 1, j); } } else { if (dp[i][j + 1] > dp[i + 1][j]) { dp[i + 1][j + 1] = dp[i][j + 1]; pre[i + 1][j + 1] = P(i, j + 1); } else { dp[i + 1][j + 1] = dp[i + 1][j]; pre[i + 1][j + 1] = P(i + 1, j); } } } } // cout << dp[s.size()][t.size()] << endl; vector<char> ans; int l = fin.first + 1, r = fin.second + 1; // cout << l << ' ' << r << endl; while (l > 0 && r > 0) { P p = pre[l][r]; if (s[l - 1] == t[r - 1] && l != p.first && r != p.second) { ans.push_back(s[l - 1]); // cout << l << ' ' << r << endl; } l = p.first; r = p.second; } // cout << ans.size() << endl; for (int i = 0; i < ans.size(); i++) { cout << ans[ans.size() - i - 1]; } cout << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int N = 1e3 + 7; int dp[N][N]; // dp[i][j] 到 i,j为止最长的公共子序列长度 int main() { string s, t; cin >> s >> t; s = "0" + s; t = "0" + t; int ls = s.size(), lt = t.size(); for (int i = 1; i < ls; i++) { for (int j = 1; j < lt; j++) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (s[i] == t[j]) dp[i][j] = max(dp[i - 1][j - 1] + 1, dp[i][j]); } } string ans = ""; for (int i = ls - 1, j = lt - 1; i && j;) { if (s[i] == t[j]) ans += s[i], i--, j--; else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } reverse(ans.begin(), ans.end()); cout << ans << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 3e3 + 7; int dp[N][N]; // dp[i][j] 到 i,j为止最长的公共子序列长度 int main() { string s, t; cin >> s >> t; s = "0" + s; t = "0" + t; int ls = s.size(), lt = t.size(); for (int i = 1; i < ls; i++) { for (int j = 1; j < lt; j++) { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); if (s[i] == t[j]) dp[i][j] = max(dp[i - 1][j - 1] + 1, dp[i][j]); } } string ans = ""; for (int i = ls - 1, j = lt - 1; i && j;) { if (s[i] == t[j]) ans += s[i], i--, j--; else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } reverse(ans.begin(), ans.end()); cout << ans << "\n"; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int memo[1005][1005]; /// ... for storing DP values ... string a, b; /// ... Two Strings ... int call(int len1, int len2) { /// if two string come to the end then there are no substring can create ... /// so we return Zero. if (len1 == (int)a.size() || len2 == (int)b.size()) return 0; /// ... if the value is saved before then return it ... if (memo[len1][len2] != -1) return memo[len1][len2]; /// ... if two charecture is matched ... then the length is increased by one /// and we go to the next phase (i + 1, j + 1) ... if (a[len1] == b[len2]) { return memo[len1][len2] = 1 + call(len1 + 1, len2 + 1); } /** if not then we go to either by removing charecture of first or form second. then we collect the maximun the two function returns and saves it. **/ else return memo[len1][len2] = max(call(len1 + 1, len2), call(len1, len2 + 1)); } /// ... printing LCS ... vector<char> res; void PrintLCS(int len1, int len2) { if (len1 == (int)a.size() || len2 == (int)b.size()) return; if (a[len1] == b[len2]) { cout << a[len1]; PrintLCS(len1 + 1, len2 + 1); } else { if (memo[len1 + 1][len2] > memo[len1][len2 + 1]) PrintLCS(len1 + 1, len2); else PrintLCS(len1, len2 + 1); } } int main() { memset(memo, -1, sizeof(memo)); cin >> a >> b; call(0, 0); PrintLCS(0, 0); }
#include <bits/stdc++.h> using namespace std; int memo[3005][3005]; /// ... for storing DP values ... string a, b; /// ... Two Strings ... int call(int len1, int len2) { /// if two string come to the end then there are no substring can create ... /// so we return Zero. if (len1 == (int)a.size() || len2 == (int)b.size()) return 0; /// ... if the value is saved before then return it ... if (memo[len1][len2] != -1) return memo[len1][len2]; /// ... if two charecture is matched ... then the length is increased by one /// and we go to the next phase (i + 1, j + 1) ... if (a[len1] == b[len2]) { return memo[len1][len2] = 1 + call(len1 + 1, len2 + 1); } /** if not then we go to either by removing charecture of first or form second. then we collect the maximun the two function returns and saves it. **/ else return memo[len1][len2] = max(call(len1 + 1, len2), call(len1, len2 + 1)); } /// ... printing LCS ... vector<char> res; void PrintLCS(int len1, int len2) { if (len1 == (int)a.size() || len2 == (int)b.size()) return; if (a[len1] == b[len2]) { cout << a[len1]; PrintLCS(len1 + 1, len2 + 1); } else { if (memo[len1 + 1][len2] > memo[len1][len2 + 1]) PrintLCS(len1 + 1, len2); else PrintLCS(len1, len2 + 1); } } int main() { memset(memo, -1, sizeof(memo)); cin >> a >> b; call(0, 0); PrintLCS(0, 0); }
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p03165
C++
Runtime Error
#include <cstdio> #include <iostream> #include <string> using namespace std; int main() { // freopen("LCS.inp","r",stdin); int i, j; string s, t, k = ""; getline(cin, s); getline(cin, t); int f[s.length()][t.length()]; for (i = 0; i <= s.length(); i++) f[i][0] = 0; for (j = 0; j <= t.length(); j++) f[0][j] = 0; for (i = 1; i <= s.length(); i++) for (j = 1; j <= t.length(); j++) { if (s[i - 1] == t[j - 1]) f[i][j] = f[i - 1][j - 1] + 1; else f[i][j] = max(f[i - 1][j], f[i][j - 1]); } i = s.length(); j = t.length(); while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { k = char(s[i - 1]) + k; // cout<<"chon "<<i<<j<<s[i-1]<<endl; i--; j--; } else { if (f[i][j - 1] == f[i][j]) j--; else i--; } } cout << k; return 0; }
#include <cstdio> #include <iostream> #include <string> using namespace std; int main() { // freopen("LCS.inp","r",stdin); int i, j; string s, t, k = ""; getline(cin, s); getline(cin, t); int f[s.length() + 1][t.length() + 1]; for (i = 0; i <= s.length(); i++) f[i][0] = 0; for (j = 0; j <= t.length(); j++) f[0][j] = 0; for (i = 1; i <= s.length(); i++) for (j = 1; j <= t.length(); j++) { if (s[i - 1] == t[j - 1]) f[i][j] = f[i - 1][j - 1] + 1; else f[i][j] = max(f[i - 1][j], f[i][j - 1]); } i = s.length(); j = t.length(); while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { k = char(s[i - 1]) + k; // cout<<"chon "<<i<<j<<s[i-1]<<endl; i--; j--; } else { if (f[i][j - 1] == f[i][j]) j--; else i--; } } cout << k; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define F first #define S second #define mp make_pair #define pb push_back #define ll long long #define LEFT(a) ((a) << 1) #define RIGHT(a) (LEFT(a) + 1) #define MID(a, b) ((a + b) >> 1) #define MAX(a, b) ((a) > (b) ? (a) : (b)) #define MIN(a, b) ((a) < (b) ? (a) : (b)) using namespace std; const ll N = 1e3 + 5; string A, B; int n, m; int dp[N][N]; string S; void go(int x, int y) { if (dp[x][y] == 0) return; if (dp[x][y] == dp[x - 1][y]) { go(x - 1, y); return; } if (dp[x][y] == dp[x][y - 1]) { go(x, y - 1); return; } S += A[x]; go(x - 1, y - 1); } int main() { ios::sync_with_stdio(false); cin >> A >> B; n = (int)A.size(); m = (int)B.size(); A = "#" + A; B = "#" + B; 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]); if (A[i] == B[j]) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1); } go(n, m); for (int i = dp[n][m] - 1; i >= 0; i--) cout << S[i]; cout << endl; return 0; }
#include <bits/stdc++.h> #define F first #define S second #define mp make_pair #define pb push_back #define ll long long #define LEFT(a) ((a) << 1) #define RIGHT(a) (LEFT(a) + 1) #define MID(a, b) ((a + b) >> 1) #define MAX(a, b) ((a) > (b) ? (a) : (b)) #define MIN(a, b) ((a) < (b) ? (a) : (b)) using namespace std; const ll N = 3e3 + 5; string A, B; int n, m; int dp[N][N]; string S; void go(int x, int y) { if (dp[x][y] == 0) return; if (dp[x][y] == dp[x - 1][y]) { go(x - 1, y); return; } if (dp[x][y] == dp[x][y - 1]) { go(x, y - 1); return; } S += A[x]; go(x - 1, y - 1); } int main() { ios::sync_with_stdio(false); cin >> A >> B; n = (int)A.size(); m = (int)B.size(); A = "#" + A; B = "#" + B; 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]); if (A[i] == B[j]) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1); } go(n, m); for (int i = dp[n][m] - 1; i >= 0; i--) cout << S[i]; cout << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define li long long int const int N = 1e3 + 5; const li mod = 1e9 + 7; string a, b; int n, m; int dp[N][N]; int go(int x, int y) { if (x >= n or y >= m) return dp[x][y] = 0; if (dp[x][y] != -1) return dp[x][y]; int ans = 0; if (a[x] == b[y]) ans = 1 + go(x + 1, y + 1); else ans = max(go(x, y + 1), go(x + 1, y)); return dp[x][y] = ans; } void reconstruct(int x, int y) { if (x >= n or y >= m) exit(0); if (dp[x][y + 1] != -1 and dp[x][y] == dp[x][y + 1]) { reconstruct(x, y + 1); } else if (dp[x + 1][y] != -1 and dp[x][y] == dp[x + 1][y]) { reconstruct(x + 1, y); } else if (dp[x + 1][y + 1] != -1 and dp[x][y] == 1 + dp[x + 1][y + 1]) { cout << a[x]; reconstruct(x + 1, y + 1); } } void solve() { cin >> a >> b; n = (int)a.length(); m = (int)b.length(); memset(dp, -1, sizeof(dp)); go(0, 0); reconstruct(0, 0); } int main() { int t = 1; // cin >> t; while (t--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; #define li long long int const int N = 3e3 + 5; const li mod = 1e9 + 7; string a, b; int n, m; int dp[N][N]; int go(int x, int y) { if (x >= n or y >= m) return dp[x][y] = 0; if (dp[x][y] != -1) return dp[x][y]; int ans = 0; if (a[x] == b[y]) ans = 1 + go(x + 1, y + 1); else ans = max(go(x, y + 1), go(x + 1, y)); return dp[x][y] = ans; } void reconstruct(int x, int y) { if (x >= n or y >= m) exit(0); if (dp[x][y + 1] != -1 and dp[x][y] == dp[x][y + 1]) { reconstruct(x, y + 1); } else if (dp[x + 1][y] != -1 and dp[x][y] == dp[x + 1][y]) { reconstruct(x + 1, y); } else if (dp[x + 1][y + 1] != -1 and dp[x][y] == 1 + dp[x + 1][y + 1]) { cout << a[x]; reconstruct(x + 1, y + 1); } } void solve() { cin >> a >> b; n = (int)a.length(); m = (int)b.length(); memset(dp, -1, sizeof(dp)); go(0, 0); reconstruct(0, 0); } int main() { 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; #define F first #define S second #define ll long long #define PB push_back #define PII pair<long long, long long> #define FAST \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); const ll MAXN = 1e3 + 10, INF = 8e18, MOD = 1e9 + 10; int lcs[MAXN][MAXN]; pair<int, int> parent[MAXN][MAXN]; int main() { string a, b; cin >> a >> b; memset(lcs, 0, sizeof(lcs)); int n = (int)a.size(), m = (int)b.size(); for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { lcs[i][j] = max(lcs[i - 1][j], lcs[i][j - 1]); if (a[i - 1] == b[j - 1]) lcs[i][j] = lcs[i - 1][j - 1] + 1; } } vector<char> v; while (n && m) { if (lcs[n][m] == lcs[n - 1][m]) n--; else if (lcs[n][m] == lcs[n][m - 1]) m--; else { v.push_back(a[n - 1]); n--, m--; } } reverse(v.begin(), v.end()); for (auto u : v) cout << u; }
#include <bits/stdc++.h> using namespace std; #define F first #define S second #define ll long long #define PB push_back #define PII pair<long long, long long> #define FAST \ ios::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); const ll MAXN = 3e3 + 10, INF = 8e18, MOD = 1e9 + 10; int lcs[MAXN][MAXN]; pair<int, int> parent[MAXN][MAXN]; int main() { string a, b; cin >> a >> b; memset(lcs, 0, sizeof(lcs)); int n = (int)a.size(), m = (int)b.size(); for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { lcs[i][j] = max(lcs[i - 1][j], lcs[i][j - 1]); if (a[i - 1] == b[j - 1]) lcs[i][j] = lcs[i - 1][j - 1] + 1; } } vector<char> v; while (n && m) { if (lcs[n][m] == lcs[n - 1][m]) n--; else if (lcs[n][m] == lcs[n][m - 1]) m--; else { v.push_back(a[n - 1]); n--, m--; } } reverse(v.begin(), v.end()); for (auto u : v) cout << u; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; using ll = long long; const ll INF = 4e18, N = 3001; string s, t; ll dp[N][N]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> s >> t; for (int i = 0; i <= s.size(); i += 1) for (int j = 0; j <= t.size(); j += 1) dp[i][j] = 0; for (int i = 0; i <= s.size(); i += 1) dp[i][0] = 0; for (int i = 0; i <= t.size(); i += 1) dp[0][i] = 0; string ans; for (int i = 1; i <= s.size(); i += 1) { for (int j = 1; j <= t.size(); j += 1) { 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 i = s.size(); int j = t.size(); while (i >= 0 && j >= 0) { if (dp[i][j] == dp[i - 1][j]) i -= 1; else if (dp[i][j] == dp[i][j - 1]) j -= 1; else ans += s[i - 1], i -= 1, j -= 1; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; const ll INF = 4e18, N = 3001; string s, t; ll dp[N][N]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> s >> t; for (int i = 0; i <= s.size(); i += 1) for (int j = 0; j <= t.size(); j += 1) dp[i][j] = 0; for (int i = 0; i <= s.size(); i += 1) dp[i][0] = 0; for (int i = 0; i <= t.size(); i += 1) dp[0][i] = 0; string ans; for (int i = 1; i <= s.size(); i += 1) { for (int j = 1; j <= t.size(); j += 1) { 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 i = s.size(); int j = t.size(); while (i >= 1 && j >= 1) { if (dp[i][j] == dp[i - 1][j]) i -= 1; else if (dp[i][j] == dp[i][j - 1]) j -= 1; else ans += s[i - 1], i -= 1, j -= 1; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define int 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 all(a) (a).begin(), (a).end() #define F first #define S second #define sz(x) (int)x.size() #define endl '\n' #define hell 1000000007 #define mem(x) memset(x, 0, sizeof(x)); #define what_is(x) cout << #x << " is " << x << flush << endl; #define rep(i, a, b) for (int i = a; i < b; i++) using namespace std; const int maxn = 100010; int n, w; void solve() { string s, t; cin >> s >> t; int n = s.length(), m = t.length(); int dp[n + 1][m + 1]; memset(dp, 0, sizeof(dp)); rep(i, 1, n + 1) { rep(j, 1, m + 1) { 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]); } } string ans = ""; int i = n, j = m; int flag = 0; if (n > m) flag = 1; while (i > 0 || j > 0) { if (dp[i - 1][j - 1] + 1 == dp[i][j]) { ans += s[i - 1]; i--; j--; } else { if (dp[i][j] == dp[i - 1][j]) { i--; } else { j--; } } } reverse(ans.begin(), ans.end()); cout << ans; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t = 1; // cin>>t; while (t--) solve(); return 0; }
#include <bits/stdc++.h> #define int 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 all(a) (a).begin(), (a).end() #define F first #define S second #define sz(x) (int)x.size() #define endl '\n' #define hell 1000000007 #define mem(x) memset(x, 0, sizeof(x)); #define what_is(x) cout << #x << " is " << x << flush << endl; #define rep(i, a, b) for (int i = a; i < b; i++) using namespace std; const int maxn = 100010; int n, w; void solve() { string s, t; cin >> s >> t; int n = s.length(), m = t.length(); int dp[n + 1][m + 1]; memset(dp, 0, sizeof(dp)); rep(i, 1, n + 1) { rep(j, 1, m + 1) { 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]); } } string ans = ""; int i = n, j = m; int flag = 0; if (n > m) flag = 1; while (i > 0 && j > 0) { if (dp[i - 1][j - 1] + 1 == dp[i][j] && s[i - 1] == t[j - 1]) { ans += s[i - 1]; i--; j--; } else { if (dp[i][j] == dp[i - 1][j]) { i--; } else { j--; } } } reverse(ans.begin(), ans.end()); cout << ans; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t = 1; // cin>>t; while (t--) solve(); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define boost ios_base::sync_with_stdio(false), cin.tie(NULL); using namespace std; const int N = 1e3 + 44; const int X[] = {1, 0, -1, 0, 1, -1, 1, -1}; const int Y[] = {0, 1, 0, -1, 1, 1, -1, -1}; const int mod = 1e9 + 7; const long long INF = 1e18; const int inf = 1e9; int dp[N][N]; pair<int, int> p[N][N]; int a[N], b[N]; int main() { boost; string s, t; cin >> s >> t; int ns = s.size(), nt = t.size(); for (int i = 0; i < ns; ++i) a[i + 1] = (int)(s[i] - 'a'); for (int i = 0; i < nt; ++i) b[i + 1] = (int)(t[i] - 'a'); for (int i = 1; i <= ns; ++i) { for (int j = 1; j <= nt; ++j) { if (a[i] == b[j]) dp[i][j] = dp[i - 1][j - 1] + 1, p[i][j] = {i - 1, j - 1}; if (dp[i][j] <= dp[i - 1][j]) dp[i][j] = dp[i - 1][j], p[i][j] = {i - 1, j}; if (dp[i][j] <= dp[i][j - 1]) dp[i][j] = dp[i][j - 1], p[i][j] = {i, j - 1}; } } string ans = ""; while (ns && nt) { if (p[ns][nt].first != ns && p[ns][nt].second != nt) { ans += s[ns - 1]; } tie(ns, nt) = p[ns][nt]; } reverse(ans.begin(), ans.end()); cout << ans; }
#include <bits/stdc++.h> #define boost ios_base::sync_with_stdio(false), cin.tie(NULL); using namespace std; const int N = 4e3 + 44; const int X[] = {1, 0, -1, 0, 1, -1, 1, -1}; const int Y[] = {0, 1, 0, -1, 1, 1, -1, -1}; const int mod = 1e9 + 7; const long long INF = 1e18; const int inf = 1e9; int dp[N][N]; pair<int, int> p[N][N]; int a[N], b[N]; int main() { boost; string s, t; cin >> s >> t; int ns = s.size(), nt = t.size(); for (int i = 0; i < ns; ++i) a[i + 1] = (int)(s[i] - 'a'); for (int i = 0; i < nt; ++i) b[i + 1] = (int)(t[i] - 'a'); for (int i = 1; i <= ns; ++i) { for (int j = 1; j <= nt; ++j) { if (a[i] == b[j]) dp[i][j] = dp[i - 1][j - 1] + 1, p[i][j] = {i - 1, j - 1}; if (dp[i][j] <= dp[i - 1][j]) dp[i][j] = dp[i - 1][j], p[i][j] = {i - 1, j}; if (dp[i][j] <= dp[i][j - 1]) dp[i][j] = dp[i][j - 1], p[i][j] = {i, j - 1}; } } string ans = ""; while (ns && nt) { if (p[ns][nt].first != ns && p[ns][nt].second != nt) { ans += s[ns - 1]; } tie(ns, nt) = p[ns][nt]; } reverse(ans.begin(), ans.end()); cout << ans; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long int #define endl '\n' const long long inf = 1e18; ll dp[3005][3005]; string find(string a, string b) { ll n = a.length(); ll m = b.length(); 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]); } } } ll i = n; ll j = m; string ans = ""; while (i > 0 and j > 0) { if (a[i - 1] == b[j - 1]) { ans = a[i - 1] + ans; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } cout << ans; } void testCase() { // ll t; cin>>t; while(t--) { string a, b; cin >> a >> b; cout << find(a, b) << endl; } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); testCase(); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long int #define endl '\n' const long long inf = 1e18; ll dp[3005][3005]; string find(string a, string b) { ll n = a.length(); ll m = b.length(); 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]); } } } ll i = n; ll j = m; string ans = ""; while (i > 0 and j > 0) { if (a[i - 1] == b[j - 1]) { ans = a[i - 1] + ans; i--; j--; } else if (dp[i - 1][j] > dp[i][j - 1]) { i--; } else { j--; } } return ans; } void testCase() { // ll t; cin>>t; while(t--) { string a, b; cin >> a >> b; cout << find(a, b) << endl; } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); testCase(); return 0; }
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free(): invalid pointer
p03165
C++
Runtime Error
#include <algorithm> #include <iostream> #include <stack> #include <string> #include <vector> using namespace std; template <class T> istream &operator>>(istream &in, vector<T> &arr) { for (auto &x : arr) in >> x; return in; } template <class T> ostream &operator<<(ostream &out, const vector<T> &arr) { for (auto &x : arr) out << x << ' '; cout << "\n"; return out; } enum { NW, N, W }; void printlcs(string s, vector<vector<int>> dp, int i, int j) { if (i == 0 || j == 0) { return; } if (dp[i][j] == NW) { printlcs(s, dp, i - 1, j - 1); cout << s[i - 1]; } else if (dp[i][j] == N) { printlcs(s, dp, i - 1, j); } else if (dp[i][j] == W) { printlcs(s, dp, i, j - 1); } } void lcs(string s, string t) { int size_s = s.size(); int size_t = t.size(); vector<vector<int>> dp(size_s + 1, vector<int>(size_t + 1)); vector<vector<int>> pdp(size_s + 1, vector<int>(size_t + 1)); 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; pdp[i][j] = NW; } else if (dp[i - 1][j] > dp[i][j - 1]) { dp[i][j] = dp[i - 1][j]; pdp[i][j] = N; } else { dp[i][j] = dp[i][j - 1]; pdp[i][j] = W; } } } printlcs(s, pdp, size_s, size_t); } int main() { string s, t; cin >> s >> t; lcs(s, t); return 0; }
#include <algorithm> #include <iostream> #include <stack> #include <string> #include <vector> using namespace std; template <class T> istream &operator>>(istream &in, vector<T> &arr) { for (auto &x : arr) in >> x; return in; } template <class T> ostream &operator<<(ostream &out, const vector<T> &arr) { for (auto &x : arr) out << x << ' '; cout << "\n"; return out; } enum { NW, N, W }; void printlcs(const string &s, vector<vector<int>> &dp, int i, int j) { if (i == 0 || j == 0) { return; } if (dp[i][j] == NW) { printlcs(s, dp, i - 1, j - 1); cout << s[i - 1]; } else if (dp[i][j] == N) { printlcs(s, dp, i - 1, j); } else if (dp[i][j] == W) { printlcs(s, dp, i, j - 1); } } void lcs(string s, string t) { int size_s = s.size(); int size_t = t.size(); vector<vector<int>> dp(size_s + 1, vector<int>(size_t + 1)); vector<vector<int>> pdp(size_s + 1, vector<int>(size_t + 1)); 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; pdp[i][j] = NW; } else if (dp[i - 1][j] > dp[i][j - 1]) { dp[i][j] = dp[i - 1][j]; pdp[i][j] = N; } else { dp[i][j] = dp[i][j - 1]; pdp[i][j] = W; } } } printlcs(s, pdp, size_s, size_t); } int main() { string s, t; cin >> s >> t; lcs(s, t); return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define FOR(i, x, y) for (int i = x; i < y; i++) #define FORN(i, x, y) for (int i = x; i <= y; i++) #define DEC(i, x, y) for (int i = x; i >= y; i--) #define scan1(X) scanf("%d", &X) #define scan2(X, Y) scanf("%d%d", &X, &Y) #define scan3(X, Y, Z) scanf("%d%d%d", &X, &Y, &Z) #define scan4(X, Y, Z, W) scanf("%d%d%d%d", &X, &Y, &Z, &W) #define scanl1(X) scanf("%lld", &X); #define scanl2(X, Y) scanf("%lld%lld", &X, &Y) #define scanl3(X, Y, Z) scanf("%lld%lld%lld", &X, &Y, &Z) #define scanl4(X, Y, Z, W) scanf("%lld%lld%lld%lld", &X, &Y, &Z, &W) #define print1(X) printf("%d\n", X); #define print2(X, Y) printf("%d %d\n", X, Y); #define print3(X, Y, Z) printf("%d %d %d\n", X, Y, Z); #define print4(X, Y, Z, W) printf("%d %d %d %d\n", X, Y, Z, W); #define printl1(X) printf("%lld\n", X); #define printl2(X, Y) printf("%lld %lld\n", X, Y); #define printl3(X, Y, Z) printf("%lld %lld %lld\n", X, Y, Z); #define printl4(X, Y, Z, W) printf("%lld %lld %lld %lld\n", X, Y, Z, W); #define max3(X, Y, Z) max(X, max(Y, Z)) #define max4(X, Y, Z, W) max(max(X, Y), max(Z, W)) #define min3(X, Y, Z) min(X, min(Y, Z)) #define min4(X, Y, Z, W) min(min(X, Y), min(Z, W)) #define popcount(X) __builtin_popcount(X) #define all(x) x.begin(), x.end() #define size(X) (int)X.size() #define mp make_pair #define pb push_back #define fr first #define sc second #define lc(x) 2 * x #define rc(x) 2 * x + 1 typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; typedef pair<ld, ld> pldld; const long long l_inf = numeric_limits<long long>::max(); const long long l_ninf = numeric_limits<long long>::min(); const int inf = numeric_limits<int>::max(); const int ninf = numeric_limits<int>::min(); const double pi = 1.00 * acos(-1.00); const double eps = 1e-8; void cio() { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); } ll lcm(ll a, ll b) { return (a * (b / gcd(a, b))); } int sq(int x) { return x * x; } ////////////////////////////////////////////////////////////////////Header const int maxn = 3000; string s, t; int dp[maxn][maxn]; int n, m; int getdp(int a, int b) { if (a < 1 || b < 1) return dp[a][b] = 0; int &ret = dp[a][b]; if (ret != -1) return ret; ret = 0; if (s[a] == t[b]) ret = max(ret, getdp(a - 1, b - 1) + 1); else ret = max(getdp(a - 1, b), getdp(a, b - 1)); return ret; } int main() { cio(); cin >> s >> t; n = size(s), m = size(t); s = '0' + s; t = '0' + t; memset(dp, -1, sizeof(dp)); getdp(n, m); vector<char> ans; int i = n, j = m; while (i >= 1 && j >= 1) { if (s[i] == t[j] && dp[i][j] == dp[i - 1][j - 1] + 1) { ans.pb(s[i]); i--, j--; } else if (dp[i][j] == dp[i][j - 1]) j--; else i--; } reverse(all(ans)); for (auto ci : ans) cout << ci; cout << endl; }
#include <bits/stdc++.h> using namespace std; #define FOR(i, x, y) for (int i = x; i < y; i++) #define FORN(i, x, y) for (int i = x; i <= y; i++) #define DEC(i, x, y) for (int i = x; i >= y; i--) #define scan1(X) scanf("%d", &X) #define scan2(X, Y) scanf("%d%d", &X, &Y) #define scan3(X, Y, Z) scanf("%d%d%d", &X, &Y, &Z) #define scan4(X, Y, Z, W) scanf("%d%d%d%d", &X, &Y, &Z, &W) #define scanl1(X) scanf("%lld", &X); #define scanl2(X, Y) scanf("%lld%lld", &X, &Y) #define scanl3(X, Y, Z) scanf("%lld%lld%lld", &X, &Y, &Z) #define scanl4(X, Y, Z, W) scanf("%lld%lld%lld%lld", &X, &Y, &Z, &W) #define print1(X) printf("%d\n", X); #define print2(X, Y) printf("%d %d\n", X, Y); #define print3(X, Y, Z) printf("%d %d %d\n", X, Y, Z); #define print4(X, Y, Z, W) printf("%d %d %d %d\n", X, Y, Z, W); #define printl1(X) printf("%lld\n", X); #define printl2(X, Y) printf("%lld %lld\n", X, Y); #define printl3(X, Y, Z) printf("%lld %lld %lld\n", X, Y, Z); #define printl4(X, Y, Z, W) printf("%lld %lld %lld %lld\n", X, Y, Z, W); #define max3(X, Y, Z) max(X, max(Y, Z)) #define max4(X, Y, Z, W) max(max(X, Y), max(Z, W)) #define min3(X, Y, Z) min(X, min(Y, Z)) #define min4(X, Y, Z, W) min(min(X, Y), min(Z, W)) #define popcount(X) __builtin_popcount(X) #define all(x) x.begin(), x.end() #define size(X) (int)X.size() #define mp make_pair #define pb push_back #define fr first #define sc second #define lc(x) 2 * x #define rc(x) 2 * x + 1 typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; typedef pair<ld, ld> pldld; const long long l_inf = numeric_limits<long long>::max(); const long long l_ninf = numeric_limits<long long>::min(); const int inf = numeric_limits<int>::max(); const int ninf = numeric_limits<int>::min(); const double pi = 1.00 * acos(-1.00); const double eps = 1e-8; void cio() { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); } ll lcm(ll a, ll b) { return (a * (b / gcd(a, b))); } int sq(int x) { return x * x; } ////////////////////////////////////////////////////////////////////Header const int maxn = 3004; string s, t; int dp[maxn][maxn]; int n, m; int getdp(int a, int b) { if (a < 1 || b < 1) return dp[a][b] = 0; int &ret = dp[a][b]; if (ret != -1) return ret; ret = 0; if (s[a] == t[b]) ret = max(ret, getdp(a - 1, b - 1) + 1); else ret = max(getdp(a - 1, b), getdp(a, b - 1)); return ret; } int main() { cio(); cin >> s >> t; n = size(s), m = size(t); s = '0' + s; t = '0' + t; memset(dp, -1, sizeof(dp)); getdp(n, m); vector<char> ans; int i = n, j = m; while (i >= 1 && j >= 1) { if (s[i] == t[j] && dp[i][j] == dp[i - 1][j - 1] + 1) { ans.pb(s[i]); i--, j--; } else if (dp[i][j] == dp[i][j - 1]) j--; else i--; } reverse(all(ans)); for (auto ci : ans) cout << ci; cout << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define endl "\n" #define int long long #define watch(x) cout << (#x) << " is " << (x) << endl #define pb push_back const int N = 1e9 + 1; int32_t main() { IOS; string s, t; cin >> s >> t; int n = s.length(); int m = t.length(); int C[n + 1][m + 1]; int B[n + 1][m + 1]; for (int i = 0; i <= m; i++) { C[0][i] = 0; } for (int i = 0; i <= n; i++) { C[i][0] = 0; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (char(t[j - 1]) == char(s[i - 1])) { C[i][j] = C[i - 1][j - 1] + 1; B[i][j] = 'D'; } else { C[i][j] = max(C[i - 1][j], C[i][j - 1]); if (C[i - 1][j] < C[i][j - 1]) { B[i][j] = 'L'; } else { B[i][j] = 'U'; } } } } // cout<<C[n][m]<<endl; int i = n, j = m; string str = ""; while (1) { if (i == 0 && j == 0) break; if (B[i][j] == 'D') { str = t[j - 1] + str; i--, j--; } else if (B[i][j] == 'L') { j--; } else i--; } cout << str << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define endl "\n" #define int long long #define watch(x) cout << (#x) << " is " << (x) << endl #define pb push_back const int N = 1e9 + 1; int32_t main() { IOS; string s, t; cin >> s >> t; int n = s.length(); int m = t.length(); int C[n + 1][m + 1]; int B[n + 1][m + 1]; for (int i = 0; i <= m; i++) { C[0][i] = 0; } for (int i = 0; i <= n; i++) { C[i][0] = 0; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (char(t[j - 1]) == char(s[i - 1])) { C[i][j] = C[i - 1][j - 1] + 1; B[i][j] = 'D'; } else { C[i][j] = max(C[i - 1][j], C[i][j - 1]); if (C[i - 1][j] < C[i][j - 1]) { B[i][j] = 'L'; } else { B[i][j] = 'U'; } } } } // cout<<C[n][m]<<endl; int i = n, j = m; string str = ""; while (1) { if (i == 0 || j == 0) break; if (B[i][j] == 'D') { str = t[j - 1] + str; i--, j--; } else if (B[i][j] == 'L') { j--; } else i--; } cout << str << endl; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define fast \ ios_base::sync_with_stdio(0); \ cin.tie(NULL); \ cout.tie(NULL) #define f(i, a, b) for (i = a; i < b; i++) #define fr(i, a, b) for (i = a; i >= b; i--) #define endl '\n' #define ll long long int #define ff first #define ss second #define pb push_back using namespace std; int dp[3005][3005]; int main() { string s1, s2, s3 = ""; cin >> s1 >> s2; int n1 = s1.size(), n2 = s2.size(), i, j; f(i, 1, n1 + 1) f(j, 1, n2 + 1) { if (s1[i - 1] == s2[j - 1]) dp[i][j] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } for (i = n1, j = n2; i > 0, j > 0;) { if (dp[i][j] != dp[i - 1][j] && dp[i][j] != dp[i][j - 1]) { s3 += s1[i - 1]; i--; j--; } else if (dp[i][j] != dp[i - 1][j] && j > 0) j--; else i--; } reverse(s3.begin(), s3.end()); cout << s3; }
#include <bits/stdc++.h> #define fast \ ios_base::sync_with_stdio(0); \ cin.tie(NULL); \ cout.tie(NULL) #define f(i, a, b) for (i = a; i < b; i++) #define fr(i, a, b) for (i = a; i >= b; i--) #define endl '\n' #define ll long long int #define ff first #define ss second #define pb push_back using namespace std; int dp[3005][3005]; int main() { string s1, s2, s3 = ""; cin >> s1 >> s2; int n1 = s1.size(), n2 = s2.size(), i, j; f(i, 1, n1 + 1) f(j, 1, n2 + 1) { if (s1[i - 1] == s2[j - 1]) dp[i][j] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]); } for (i = n1, j = n2; i > 0 && j > 0;) { if (dp[i][j] != dp[i - 1][j] && dp[i][j] != dp[i][j - 1]) { s3 += s1[i - 1]; i--; j--; } else if (dp[i][j] != dp[i - 1][j] && j > 0) j--; else i--; } reverse(s3.begin(), s3.end()); cout << s3; }
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p03165
C++
Runtime Error
// In the name of God #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; const int N = 2e3 + 10, mod = 1e9 + 7; int dp[N][N]; pii par[N][N], lst; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); string s, t; cin >> s >> t; s = "!" + s; t = "@" + t; int ans = 0; for (int i = 1; i < s.length(); i++) for (int j = 1; j < t.length(); j++) { if (s[i] == t[j]) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1), par[i][j] = {i - 1, j - 1}; else { if (dp[i - 1][j] > dp[i][j]) { dp[i][j] = dp[i - 1][j]; par[i][j] = {i - 1, j}; } if (dp[i][j - 1] > dp[i][j]) { dp[i][j] = dp[i][j - 1]; par[i][j] = {i, j - 1}; } } if (dp[i][j] > ans) { ans = dp[i][j]; lst = {i, j}; } } string ret = ""; while (lst.first != 0 && lst.second != 0) { int i = lst.first, j = lst.second; if (s[i] == t[j]) ret = ret + s[i]; lst = par[i][j]; } reverse(ret.begin(), ret.end()); cout << ret; return 0; }
// In the name of God #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; const int N = 3e3 + 10, mod = 1e9 + 7; int dp[N][N]; pii par[N][N], lst; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); string s, t; cin >> s >> t; s = "!" + s; t = "@" + t; int ans = 0; for (int i = 1; i < s.length(); i++) for (int j = 1; j < t.length(); j++) { if (s[i] == t[j]) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + 1), par[i][j] = {i - 1, j - 1}; else { if (dp[i - 1][j] > dp[i][j]) { dp[i][j] = dp[i - 1][j]; par[i][j] = {i - 1, j}; } if (dp[i][j - 1] > dp[i][j]) { dp[i][j] = dp[i][j - 1]; par[i][j] = {i, j - 1}; } } if (dp[i][j] > ans) { ans = dp[i][j]; lst = {i, j}; } } string ret = ""; while (lst.first != 0 && lst.second != 0) { int i = lst.first, j = lst.second; if (s[i] == t[j]) ret = ret + s[i]; lst = par[i][j]; } reverse(ret.begin(), ret.end()); cout << ret; return 0; }
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p03165
C++
Runtime Error
/*#include<iostream> #include<algorithm> using namespace std; int knapsack(int c, int items, int values[], int w[]) { int i = 0; int p; int dp[4][9]; for (; i < items; i++) { for (p = 0; p <= c; p++) { if (i == 0 || p == 0) dp[i][p] = 0; else if (w[i - 1] > p) dp[i][p] = max(values[i] + dp[i - 1][p - w[i - 1]], dp[i - 1][p]); else dp[i][p] = dp[i - 1][p]; } cout << "GGGG"; } return dp[c][p]; } int main() { cout << "GGGG"; /*map<int, int>m; m[10] = 100; m[5] = 25; m[3] = 9; m[4] = 16; m.insert(make_pair(10, 700)); m.insert(make_pair(10, 600)); for (auto it = m.begin(); it != m.end(); it++) cout << it->first << " " << it->second<<endl;*/ /*multimap<int, int>m; m.insert(make_pair(10, 100)); m.insert(make_pair(20, 200)); m.insert(make_pair(30, 300)); m.insert(make_pair(10, 700)); m.insert(make_pair(20, 100)); for (auto it = m.begin(); it != m.end(); it++) cout << it->first << " " << it->second << endl; int values[] = { 30,50,60 }; int w[] = { 3,4,5 }; int tw = 8; cout << "GGGG"; cout << knapsack(tw, 3, values, w); }*/ #include <algorithm> #include <cstring> #include <iostream> #include <vector> using namespace std; void lcs(string s, string t, int m, int n) { int dp[m + 1][n + 1]; int i, j; for (i = 0; i <= m; i++) { for (j = 0; j <= n; 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 - 1][j], dp[i][j - 1]); } } /*for(i=0;i<=m;i++) { for(j=0;j<=n;j++) { cout<<dp[i][j]<<" "; } cout<<endl; }*/ // cout << dp[m][n]; int index = dp[m][n]; // char values[index+1];*/ i = m; j = n; vector<char> v; // values[index] = '\0'; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { v.push_back(s[i - 1]); // values[index-1]=s[i-1]; i--; j--; index--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } for (auto itr = v.end() - 1; itr >= v.begin(); itr--) cout << *itr; // cout<<values; } int main() { int m, n; string s, t; cin >> s >> t; m = s.length(); n = t.length(); lcs(s, t, m, n); }
/*#include<iostream> #include<algorithm> using namespace std; int knapsack(int c, int items, int values[], int w[]) { int i = 0; int p; int dp[4][9]; for (; i < items; i++) { for (p = 0; p <= c; p++) { if (i == 0 || p == 0) dp[i][p] = 0; else if (w[i - 1] > p) dp[i][p] = max(values[i] + dp[i - 1][p - w[i - 1]], dp[i - 1][p]); else dp[i][p] = dp[i - 1][p]; } cout << "GGGG"; } return dp[c][p]; } int main() { cout << "GGGG"; /*map<int, int>m; m[10] = 100; m[5] = 25; m[3] = 9; m[4] = 16; m.insert(make_pair(10, 700)); m.insert(make_pair(10, 600)); for (auto it = m.begin(); it != m.end(); it++) cout << it->first << " " << it->second<<endl;*/ /*multimap<int, int>m; m.insert(make_pair(10, 100)); m.insert(make_pair(20, 200)); m.insert(make_pair(30, 300)); m.insert(make_pair(10, 700)); m.insert(make_pair(20, 100)); for (auto it = m.begin(); it != m.end(); it++) cout << it->first << " " << it->second << endl; int values[] = { 30,50,60 }; int w[] = { 3,4,5 }; int tw = 8; cout << "GGGG"; cout << knapsack(tw, 3, values, w); }*/ #include <algorithm> #include <cstring> #include <iostream> #include <vector> using namespace std; void lcs(string s, string t, int m, int n) { int dp[m + 1][n + 1]; int i, j; for (i = 0; i <= m; i++) { for (j = 0; j <= n; 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 - 1][j], dp[i][j - 1]); } } /*for(i=0;i<=m;i++) { for(j=0;j<=n;j++) { cout<<dp[i][j]<<" "; } cout<<endl; }*/ // cout << dp[m][n]; int index = dp[m][n]; // char values[index+1];*/ i = m; j = n; vector<char> v; // values[index] = '\0'; while (i > 0 && j > 0) { if (s[i - 1] == t[j - 1]) { v.push_back(s[i - 1]); // values[index-1]=s[i-1]; i--; j--; index--; } else if (dp[i - 1][j] > dp[i][j - 1]) i--; else j--; } if (v.size() == 0) cout << " "; else { for (auto itr = v.end() - 1; itr >= v.begin(); itr--) cout << *itr; } // cout<<values; } int main() { int m, n; string s, t; cin >> s >> t; m = s.length(); n = t.length(); lcs(s, t, m, n); }
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p03165
C++
Runtime Error
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <string> #include <vector> using namespace std; template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val) { std::fill((T *)array, (T *)(array + N), val); } #define rep(i, n) for (int i = 0; i < n; i++) #define req(i, n) for (int i = 1; i <= n; i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) #define ALL(a) a.begin(), a.end() typedef long long ll; typedef long double ld; const ll INF = 1LL << 60; const int inf = 1 << 30; int n, m, x, y, q; ll z, w = 0, sum = 0, ans = 0; const int MAX = 510000; const int MOD = 1000000007; int main(void) { string s, t, ans; cin >> s >> t; int dp[301][301]; Fill(dp, 0); rep(i, s.size() + 1) { rep(j, t.size() + 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]); } } int i = s.size(), 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]; i--; j--; } } reverse(ALL(ans)); cout << ans << endl; }
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <string> #include <vector> using namespace std; template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val) { std::fill((T *)array, (T *)(array + N), val); } #define rep(i, n) for (int i = 0; i < n; i++) #define req(i, n) for (int i = 1; i <= n; i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) #define ALL(a) a.begin(), a.end() typedef long long ll; typedef long double ld; const ll INF = 1LL << 60; const int inf = 1 << 30; int n, m, x, y, q; ll z, w = 0, sum = 0, ans = 0; const int MAX = 510000; const int MOD = 1000000007; int main(void) { string s, t, ans; cin >> s >> t; int dp[3010][3010]; Fill(dp, 0); rep(i, s.size() + 1) { rep(j, t.size() + 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]); } } int i = s.size(), 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]; i--; j--; } } reverse(ALL(ans)); cout << ans << endl; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> ii; typedef vector<int> vi; typedef vector<ii> vii; typedef long double ld; typedef set<int>::iterator sit; typedef map<int, int>::iterator mit; typedef vector<int>::iterator vit; const int INF = 1e9 + 7; const int MOD = 1e9 + 7; const int MAXN = 1e6 + 3; #define _ % MOD #define __ %= MOD #define each(it, s) for (auto it = s.begin(); it != s.end(); ++it) #define sortA(v) sort(v.begin(), v.end()) #define sortD(v) sort(v.begin(), v.end(), greater<auto>()) #define fill(a) memset(a, 0, sizeof(a)) #define swap(a, b) \ { \ a = a + b; \ b = a - b; \ a = a - b; \ } #define rep(i, n) for (ll i = 0; i < (n); ++i) #define repA(i, a, n) for (ll i = a; i <= (n); ++i) #define repD(i, a, n) for (ll i = a; i >= (n); --i) #define watch(x) cout << (#x) << " is " << (x) << endl #define fi first #define se second #define mp make_pair #define pb push_back #define fbo find_by_order #define ook order_of_key ll gcd(ll a, ll b) { if (b == 0) return a; else return gcd(b, a % b); } ll power(ll x, ll y) { ll res = 1; while (y > 0) { if (y & 1) res = res * x; y = y >> 1; x = x * x; } return res; } // modular exponent int main() { ios_base::sync_with_stdio(false); // don't use printf and scanf cin.tie(NULL); // cout<<fixed<<setprecision string s, t; vector<char> str; getline(cin, s); getline(cin, t); int rows = s.length() + 1; int cols = t.length() + 1; int D[rows][cols]; int i, j; for (i = 0; i < cols; i++) D[0][i] = 0; for (i = 0; i < rows; i++) D[i][0] = 0; for (i = 1; i < rows; i++) { // int a=0; for (j = 1; j < cols; j++) { // cout<<"i = "<<i<<" j = "<<j<<" s["<<i-1<<"] = "<<s[i-1]<<" //t["<<j-1<<"] = "<<t[j-1]<<"\n"; if (s[i - 1] == t[j - 1]) { // a++; // if(find(str.begin(),str.end(),s[i])==str.end()) // if(a==1)str.pb(s[i-1]); D[i][j] = D[i - 1][j - 1] + 1; } else { D[i][j] = max(D[i - 1][j], D[i][j - 1]); } } } i = rows - 1; j = cols - 1; while (i || j) { if (s[i - 1] == t[j - 1]) { str.pb(s[i - 1]); i--; j--; } else if (D[i - 1][j] >= D[i][j - 1]) i--; else j--; } // cout<<s[i-1]<<" chara "<<t[j-1]<<"\n"; // cout<<"size of lcs = "<<D[rows-1][cols-1]<<"\n"; reverse(str.begin(), str.end()); for (i = 0; i < str.size(); i++) cout << str[i]; cout << "\n"; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> ii; typedef vector<int> vi; typedef vector<ii> vii; typedef long double ld; typedef set<int>::iterator sit; typedef map<int, int>::iterator mit; typedef vector<int>::iterator vit; const int INF = 1e9 + 7; const int MOD = 1e9 + 7; const int MAXN = 1e6 + 3; #define _ % MOD #define __ %= MOD #define each(it, s) for (auto it = s.begin(); it != s.end(); ++it) #define sortA(v) sort(v.begin(), v.end()) #define sortD(v) sort(v.begin(), v.end(), greater<auto>()) #define fill(a) memset(a, 0, sizeof(a)) #define swap(a, b) \ { \ a = a + b; \ b = a - b; \ a = a - b; \ } #define rep(i, n) for (ll i = 0; i < (n); ++i) #define repA(i, a, n) for (ll i = a; i <= (n); ++i) #define repD(i, a, n) for (ll i = a; i >= (n); --i) #define watch(x) cout << (#x) << " is " << (x) << endl #define fi first #define se second #define mp make_pair #define pb push_back #define fbo find_by_order #define ook order_of_key ll gcd(ll a, ll b) { if (b == 0) return a; else return gcd(b, a % b); } ll power(ll x, ll y) { ll res = 1; while (y > 0) { if (y & 1) res = res * x; y = y >> 1; x = x * x; } return res; } // modular exponent int main() { ios_base::sync_with_stdio(false); // don't use printf and scanf cin.tie(NULL); // cout<<fixed<<setprecision string s, t; vector<char> str; getline(cin, s); getline(cin, t); int rows = s.length() + 1; int cols = t.length() + 1; int D[rows][cols]; int i, j; for (i = 0; i < cols; i++) D[0][i] = 0; for (i = 0; i < rows; i++) D[i][0] = 0; for (i = 1; i < rows; i++) { // int a=0; for (j = 1; j < cols; j++) { // cout<<"i = "<<i<<" j = "<<j<<" s["<<i-1<<"] = "<<s[i-1]<<" //t["<<j-1<<"] = "<<t[j-1]<<"\n"; if (s[i - 1] == t[j - 1]) { // a++; // if(find(str.begin(),str.end(),s[i])==str.end()) // if(a==1)str.pb(s[i-1]); D[i][j] = D[i - 1][j - 1] + 1; } else { D[i][j] = max(D[i - 1][j], D[i][j - 1]); } } } i = rows - 1; j = cols - 1; while (i && j) { if (s[i - 1] == t[j - 1]) { str.pb(s[i - 1]); i--; j--; } else if (D[i - 1][j] >= D[i][j - 1]) i--; else j--; } // cout<<s[i-1]<<" chara "<<t[j-1]<<"\n"; // cout<<"size of lcs = "<<D[rows-1][cols-1]<<"\n"; reverse(str.begin(), str.end()); for (i = 0; i < str.size(); i++) cout << str[i]; cout << "\n"; }
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p03165
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define sz(a) int((a).size()) #define all(c) c.begin(), c.end() #define ll long long #define pb push_back #define zoom \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define pl pair<ll, ll> #define MOD 1000000007 #define endl "\n" #define ff first #define ss second #define trace1(x) cerr << #x << ": " << x << endl #define trace2(x, y) cerr << #x << ": " << x << " | " << #y << ": " << y << endl #define trace3(x, y, z) \ cerr << #x << ":" << x << " | " << #y << ": " << y << " | " << #z << ": " \ << z << endl #define trace4(a, b, c, d) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << endl #define trace5(a, b, c, d, e) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << " | " << #e << ": " << e << endl #define trace6(a, b, c, d, e, f) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << " | " << #e << ": " << e << " | " \ << #f << ": " << f << endl #define trace(v) \ for (auto it = v.begin(); it != v.end(); it++) \ cerr << *it << " "; \ cerr << endl; #define tr(container, it) \ for (typeof(container.begin()) it = container.begin(); \ it != container.end(); it++) #define forn(i, n) for (int i = 0; i < (int)(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) typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pii> vpi; typedef vector<pll> vpl; typedef vector<vi> vvi; int n, m; int dp[3001][3001]; int LCS(string s1, string s2, int idx1, int idx2) { if (idx1 >= n || idx2 >= m) { return 0; } if (dp[idx1][idx2] != -1) { return dp[idx1][idx2]; } if (s1[idx1] == s2[idx2]) { int ans = LCS(s1, s2, idx1 + 1, idx2 + 1); ++ans; dp[idx1][idx2] = ans; return ans; } else { int ans1 = LCS(s1, s2, idx1 + 1, idx2); int ans2 = LCS(s1, s2, idx1, idx2 + 1); if (ans1 > ans2) { dp[idx1][idx2] = ans1; return ans1; } else { dp[idx1][idx2] = ans2; return ans2; } } } void solve() { string s1, s2; cin >> s1 >> s2; n = sz(s1); m = sz(s2); forn(i, n) { forn(j, m) { dp[i][j] = -1; } } int idx1 = 0, idx2 = 0; LCS(s1, s2, idx1, idx2); string final_string = ""; idx1 = 0, idx2 = 0; while (idx1 < n && idx2 < m) { if (s1[idx1] == s2[idx2]) { final_string += s2[idx2]; idx1++; idx2++; } else if (dp[idx1 + 1][idx2] > dp[idx1][idx2 + 1]) { idx1++; } else { idx2++; } } cout << final_string << endl; } int main() { zoom; ll t = 1; // cin >> t; while (t--) { solve(); } }
#include <bits/stdc++.h> using namespace std; #define sz(a) int((a).size()) #define all(c) c.begin(), c.end() #define ll long long #define pb push_back #define zoom \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); #define pl pair<ll, ll> #define MOD 1000000007 #define endl "\n" #define ff first #define ss second #define trace1(x) cerr << #x << ": " << x << endl #define trace2(x, y) cerr << #x << ": " << x << " | " << #y << ": " << y << endl #define trace3(x, y, z) \ cerr << #x << ":" << x << " | " << #y << ": " << y << " | " << #z << ": " \ << z << endl #define trace4(a, b, c, d) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << endl #define trace5(a, b, c, d, e) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << " | " << #e << ": " << e << endl #define trace6(a, b, c, d, e, f) \ cerr << #a << ": " << a << " | " << #b << ": " << b << " | " << #c << ": " \ << c << " | " << #d << ": " << d << " | " << #e << ": " << e << " | " \ << #f << ": " << f << endl #define trace(v) \ for (auto it = v.begin(); it != v.end(); it++) \ cerr << *it << " "; \ cerr << endl; #define tr(container, it) \ for (typeof(container.begin()) it = container.begin(); \ it != container.end(); it++) #define forn(i, n) for (int i = 0; i < (int)(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) typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pii> vpi; typedef vector<pll> vpl; typedef vector<vi> vvi; int n, m; int dp[3001][3001]; int LCS(string &s1, string &s2, int idx1, int idx2) { if (idx1 >= n || idx2 >= m) { return 0; } if (dp[idx1][idx2] != -1) { return dp[idx1][idx2]; } if (s1[idx1] == s2[idx2]) { int ans = LCS(s1, s2, idx1 + 1, idx2 + 1); ++ans; dp[idx1][idx2] = ans; return ans; } else { int ans1 = LCS(s1, s2, idx1 + 1, idx2); int ans2 = LCS(s1, s2, idx1, idx2 + 1); if (ans1 > ans2) { dp[idx1][idx2] = ans1; return ans1; } else { dp[idx1][idx2] = ans2; return ans2; } } } void solve() { string s1, s2; cin >> s1 >> s2; n = sz(s1); m = sz(s2); forn(i, n) { forn(j, m) { dp[i][j] = -1; } } int idx1 = 0, idx2 = 0; LCS(s1, s2, idx1, idx2); string final_string = ""; idx1 = 0, idx2 = 0; while (idx1 < n && idx2 < m) { if (s1[idx1] == s2[idx2]) { final_string += s2[idx2]; idx1++; idx2++; } else if (dp[idx1 + 1][idx2] > dp[idx1][idx2 + 1]) { idx1++; } else { idx2++; } } cout << final_string << endl; } int main() { zoom; ll t = 1; // cin >> t; while (t--) { solve(); } }
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TLE
p03165
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { string s, t; cin >> s >> t; int dp[s.size() + 1][t.size() + 1]; for (int i = 0; i <= s.size(); i++) dp[i][0] = 0; for (int i = 0; i <= t.size(); i++) dp[0][i] = 0; 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] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } if (dp[s.size()][t.size()] == 0) { cout << ' ' << "\n"; return 0; } string com; int i = s.size(); int j = t.size(); while (i != 0 || j != 0) { if (s[i - 1] == t[j - 1]) { com.push_back(s[i - 1]); i--; j--; } else { if (dp[i - 1][j] >= dp[i][j - 1]) i--; else j--; } } reverse(com.begin(), com.end()); cout << com << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { string s, t; cin >> s >> t; int dp[s.size() + 1][t.size() + 1]; for (int i = 0; i <= s.size(); i++) dp[i][0] = 0; for (int i = 0; i <= t.size(); i++) dp[0][i] = 0; 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] = 1 + dp[i - 1][j - 1]; else dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } if (dp[s.size()][t.size()] == 0) { cout << ' ' << "\n"; return 0; } string com; int i = s.size(); int j = t.size(); while (i != 0 && j != 0) { if (s[i - 1] == t[j - 1]) { com.push_back(s[i - 1]); i--; j--; } else { if (dp[i - 1][j] >= dp[i][j - 1]) i--; else j--; } } reverse(com.begin(), com.end()); cout << com << "\n"; return 0; }
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p03165
C++
Runtime Error
#include <bits/stdc++.h> #define MAXN 1100 using namespace std; int LCS[MAXN][MAXN]; char L[MAXN]; int main() { string s1, s2; cin >> s1 >> s2; int x = s1.size(); int y = s2.size(); int i, j; for (i = 0; i <= x; i++) for (j = 0; j <= y; j++) { if (i == 0 || j == 0) LCS[i][j] = 0; else if (s1[i - 1] == s2[j - 1]) { LCS[i][j] = 1 + LCS[i - 1][j - 1]; } else { LCS[i][j] = max(LCS[i - 1][j], LCS[i][j - 1]); } } int index = LCS[x][y]; L[index + 1] = '\0'; while (i > 0 && j > 0) { if (s1[i - 1] == s2[j - 1]) { L[index] = s1[i - 1]; i--; j--; index--; } else { if (LCS[i][j - 1] > LCS[i - 1][j]) { j--; } else i--; } } cout << L << endl; }
#include <bits/stdc++.h> #define MAXN 3500 using namespace std; int LCS[MAXN][MAXN]; char L[MAXN]; int main() { string s1, s2; cin >> s1 >> s2; int x = s1.size(); int y = s2.size(); int i, j; for (i = 0; i <= x; i++) for (j = 0; j <= y; j++) { if (i == 0 || j == 0) LCS[i][j] = 0; else if (s1[i - 1] == s2[j - 1]) { LCS[i][j] = 1 + LCS[i - 1][j - 1]; } else { LCS[i][j] = max(LCS[i - 1][j], LCS[i][j - 1]); } } int index = LCS[x][y]; L[index + 1] = '\0'; while (i > 0 && j > 0) { if (s1[i - 1] == s2[j - 1]) { L[index] = s1[i - 1]; i--; j--; index--; } else { if (LCS[i][j - 1] > LCS[i - 1][j]) { j--; } else i--; } } cout << L << endl; }
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p03165
C++
Runtime Error
using namespace std; #include <bits/stdc++.h> #define Debug(...) fprintf(stderr, __VA_ARGS__) #define st first #define nd second #define FORE(i, a, b) for (int i = (a), b_ = (b); i <= b_; ++i) #define FORD(i, a, b) for (int i = (a), b_ = (b); i >= b_; --i) #define TR(c, it) \ for (__typeof((c).begin()) it = (c).begin(); it != (c).end(); it++) #define removeDuplicate(a) \ sort(a.begin(), a.end()); \ a.resize(distance(a.begin(), unique(a.begin(), a.end()))) const int N = 1e3 + 100; const int MOD = 1e9 + 7; int dp[N][N]; int main() { #define TASK "TASK" // freopen(TASK".inp","r",stdin); // freopen(TASK".out","w",stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); string s, t; cin >> s >> t; int n = s.size(), m = t.size(); s = " " + s; t = " " + t; 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; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } string ans = ""; int x = n, y = m; while (x > 0 && y > 0) { if (s[x] == t[y] and dp[x][y] > dp[x - 1][y] and dp[x][y] > dp[x][y - 1]) { ans = ans + s[x]; x--; y--; } else { if (dp[x - 1][y] > dp[x][y - 1]) { x--; } else { y--; } } } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
using namespace std; #include <bits/stdc++.h> #define Debug(...) fprintf(stderr, __VA_ARGS__) #define st first #define nd second #define FORE(i, a, b) for (int i = (a), b_ = (b); i <= b_; ++i) #define FORD(i, a, b) for (int i = (a), b_ = (b); i >= b_; --i) #define TR(c, it) \ for (__typeof((c).begin()) it = (c).begin(); it != (c).end(); it++) #define removeDuplicate(a) \ sort(a.begin(), a.end()); \ a.resize(distance(a.begin(), unique(a.begin(), a.end()))) const int N = 5e3 + 100; const int MOD = 1e9 + 7; int dp[N][N]; int main() { #define TASK "TASK" // freopen(TASK".inp","r",stdin); // freopen(TASK".out","w",stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); string s, t; cin >> s >> t; int n = s.size(), m = t.size(); s = " " + s; t = " " + t; 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; } else { dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]); } } } string ans = ""; int x = n, y = m; while (x > 0 && y > 0) { if (s[x] == t[y] and dp[x][y] > dp[x - 1][y] and dp[x][y] > dp[x][y - 1]) { ans = ans + s[x]; x--; y--; } else { if (dp[x - 1][y] > dp[x][y - 1]) { x--; } else { y--; } } } reverse(ans.begin(), ans.end()); cout << ans; return 0; }
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p03165
C++
Memory Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main() { string s, t; cin >> s >> t; vector<vector<string>> st(s.size() + 1, vector<string>(t.size() + 1, "")); for (int i = 1; i <= s.size(); i++) { for (int j = 1; j <= t.size(); j++) { if (st[i - 1][j].size() > st[i][j - 1].size()) { st[i][j] = st[i - 1][j]; } else { st[i][j] = st[i][j - 1]; } if (s[i - 1] == t[j - 1] && (st[i - 1][j - 1].size() + 1) > st[i][j].size()) { st[i][j] = st[i - 1][j - 1] + s[i - 1]; } st[i - 1][j - 1].clear(); } } cout << st.back().back() << endl; }
#include <bits/stdc++.h> using namespace std; int main() { string s, t; cin >> s >> t; vector<vector<string>> st(s.size() + 1, vector<string>(t.size() + 1, "")); for (int i = 1; i <= s.size(); i++) { for (int j = 1; j <= t.size(); j++) { if (st[i - 1][j].size() > st[i][j - 1].size()) { st[i][j] = st[i - 1][j]; } else { st[i][j] = st[i][j - 1]; } if (s[i - 1] == t[j - 1] && (st[i - 1][j - 1].size() + 1) > st[i][j].size()) { st[i][j] = st[i - 1][j - 1] + s[i - 1]; } string().swap(st[i - 1][j - 1]); } } cout << st.back().back() << endl; }
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MLE
p03165
C++
Runtime Error
#include <algorithm> #include <iostream> using namespace std; int dp[1010][1010]; int main() { string a, b; cin >> a >> b; int n = a.size(), m = b.size(); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; 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 = n, j = m; string out = ""; int maxi = dp[n][m]; while (j > 0 && i > 0) { if (a[i - 1] == b[j - 1]) { if (dp[i - 1][j - 1] + 1 == dp[i][j]) { out += b[j - 1]; i--; j--; maxi--; } } else if (dp[i - 1][j] == maxi) i--; else j--; } for (int i = 0; i < out.size(); i++) cout << out[out.size() - i - 1]; cout << endl; }
#include <algorithm> #include <iostream> using namespace std; int dp[3010][3010]; int main() { string a, b; cin >> a >> b; int n = a.size(), m = b.size(); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; 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 = n, j = m; string out = ""; int maxi = dp[n][m]; while (j > 0 && i > 0) { if (a[i - 1] == b[j - 1]) { if (dp[i - 1][j - 1] + 1 == dp[i][j]) { out += b[j - 1]; i--; j--; maxi--; } } else if (dp[i - 1][j] == maxi) i--; else j--; } for (int i = 0; i < out.size(); i++) cout << out[out.size() - i - 1]; cout << endl; }
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