solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> struct DOM { int id; int x; int h; } dom[100010]; int n; int i, j; int ans[100010]; bool cmpx(const DOM& A, const DOM& B) { return A.x > B.x; } int main() { scanf("%d", &n); for (i = 1; i <= n; i++) ans[dom[i].id = i] = 1; for (i = 1; i <= n; i++) scanf("%d%d", &dom[i].x, &dom[i].h); std::sort(dom + 1, dom + 1 + n, cmpx); for (i = 1; i <= n; i++) for (j = i - 1; j && dom[i].x + dom[i].h > dom[j].x; j -= ans[dom[j].id]) ans[dom[i].id] += ans[dom[j].id]; for (i = 1; i <= n; i++) printf("%d ", ans[i]); }
5
#include <stdio.h> int main(void){ int n,b,f,r,v,i; int p[4][3][10] = {}; scanf ("%d",&n); for (i = 0; i < n; i++){ scanf("%d %d %d %d",&b,&f,&r,&v); p[b - 1][f - 1][r - 1] += v; } for (b = 0; b < 4; b++){ if (b != 0){printf("####################\n");} for (f = 0; f < 3; f++){ for (r = 0; r < 10; r++){ printf(" %d",p[b][f][r]); } printf("\n"); } } return 0; }
0
#include <bits/stdc++.h> using namespace std; int main() { long long int n = -1; cin >> n; long long int a = min((long long int)2, n); vector<array<long long int, 3>> t; int x, h; for (int i = 0; i < n; i++) { cin >> x >> h; t.push_back({x, h, 1}); } sort(t.begin(), t.end()); for (int i = 1; i < n - 1; i++) { if (t.at(i).at(2) && t.at(i).at(0) - t.at(i).at(1) > t.at(i - 1).at(0)) { a++; } else if (t.at(i).at(0) + t.at(i).at(1) < t.at(i + 1).at(0)) { a++; if (t.at(i).at(0) + t.at(i).at(1) >= t.at(i + 1).at(0) - t.at(i + 1).at(1)) { t.at(i + 1).at(2) = 0; } } } cout << a << endl; return 0; }
3
#include <bits/stdc++.h> using namespace std; const int NN = 100000 + 117; const int MM = 10000 + 117; int read() { int fl = 1, x; char c; for (c = getchar(); (c < '0' || c > '9') && c != '-'; c = getchar()) ; if (c == '-') { fl = -1; c = getchar(); } for (x = 0; c >= '0' && c <= '9'; c = getchar()) x = (x << 3) + (x << 1) + c - '0'; return x * fl; } void open() { freopen("a.in", "r", stdin); } void close() { fclose(stdin); fclose(stdout); } int m, n; struct edge { int to, len; edge(int t = 0, int l = 0) { to = t, len = l; } }; vector<edge> p[NN] = {}; long long dep[NN] = {}; long long v[NN] = {}; int f[NN] = {}; void dfs(int x, int fa) { f[x] = fa; for (int i = 0; i < p[x].size(); ++i) { int cur = p[x][i].to; if (cur != fa) { dep[cur] = dep[x] + p[x][i].len; dfs(cur, x); } } } long long lim; int ord[NN] = {}; int fa[NN] = {}; int siz[NN] = {}; int getfa(int x) { return x == fa[x] ? x : fa[x] = getfa(fa[x]); } bool link(int x, int y) { if (getfa(x) == getfa(y)) return false; siz[fa[y]] += siz[fa[x]]; fa[fa[x]] = fa[y]; return true; } bool cmp(int a, int b) { return v[a] > v[b]; } int main() { n = read(); for (int i = 1; i < n; ++i) { int x = read(), y = read(), v = read(); p[x].push_back(edge(y, v)); p[y].push_back(edge(x, v)); } int rt = 1; for (int ti = 1; ti <= 3; ++ti) { dep[rt] = 0; dfs(rt, 0); for (int i = 1; i <= n; ++i) { if (dep[i] > dep[rt]) rt = i; v[i] = max(v[i], dep[i]); } } for (int i = 1; i <= n; ++i) { if (v[rt] > v[i]) rt = i; } dfs(rt, 0); int q = read(); for (int i = 1; i <= n; ++i) ord[i] = i; sort(ord + 1, ord + 1 + n, cmp); for (int ti = 1; ti <= q; ++ti) { scanf("%I64d", &lim); for (int i = 1; i <= n; ++i) fa[i] = i, siz[i] = 1; int pos = 1; int ans = 0; for (int i = 1; i <= n; ++i) { int x = ord[i]; for (int j = 0; j < p[x].size(); ++j) { int cur = p[x][j].to; if (cur != f[x]) { link(x, cur); } } while (v[ord[pos]] > v[x] + lim) { getfa(ord[pos]); siz[fa[ord[pos]]]--; pos++; } ans = max(ans, siz[getfa(x)]); } printf("%d\n", ans); } close(); return 0; }
4
#include <bits/stdc++.h> using namespace std; int main() { int n, x; cin >> n >> x; vector<int> a(n); for (int i = 0; i < n; i++) cin >> a[i]; sort(a.begin(), a.end()); if (x > a[n - 1]) { cout << n + 1; return 0; } if (x < a[0]) { cout << n; return 0; } int med, c, ind, ind2; bool d = 0; if (n % 2) med = (n + 1) / 2 - 1; else { med = (n / 2 - 1); } for (int i = 0; i < n; i++) { if (a[i] == x) { if (d == 0) { d = 1; ind = i; c = abs(med - i); } else { if (abs(med - i) < c) { ind = i; c = abs(med - i); } } } } int coun = 0; if (!d) { n++; a.push_back(x); sort(a.begin(), a.end()); if (n % 2) med = (n + 1) / 2 - 1; else { med = (n / 2 - 1); } for (int i = 0; i < a.size(); i++) { if (a[i] == x) { ind = i; break; } } coun++; } if (ind > med) { if (n % 2) coun += 2 * abs(med - ind); else { coun += 2 * abs(med - ind) - 1; } } else if (ind < med) { if (n % 2) coun += 2 * abs(med - ind) - 1; else { coun += 2 * abs(med - ind); } } cout << coun; return 0; }
3
#include <bits/stdc++.h> using namespace std; long long n; long long seive() { vector<set<long long> > v(n + 1); vector<long long> primes; for (long long i = 2; i <= n; i++) { if (v[i].size() == 0) { primes.push_back(i); for (long long j = i; j <= n; j += i) { v[j].insert(i); } } } long long cnt = 0; for (long long i = 2; i <= n; i++) { if (v[i].size() == 2) cnt++; } return cnt; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n; cout << seive(); return 0; }
1
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n; vector<int> a(n); vector<pair<int, int> > d; for (int i = 0; i < n; i++) { cin >> a[i]; d.push_back(make_pair(a[i], 0)); } cin >> m; vector<int> b(m); vector<pair<int, int> > c(n + m); vector<pair<int, int> > sum(n + m, make_pair(0, 0)); for (int i = 0; i < m; i++) { cin >> b[i]; d.push_back(make_pair(b[i], 1)); } sort(d.begin(), d.end()); int tog = 0; if (d[0].second) sum[0].second = 1; else sum[0].first = 1; for (int i = 0; i < n + m; i++) { if (i > 0) { sum[i].first = sum[i - 1].first; sum[i].second = sum[i - 1].second; } if (!d[i].second) { tog++; if (i > 0) sum[i].first++; } else { tog--; if (i > 0) sum[i].second++; } c[i].first = tog; c[i].second = i; } sort(c.begin(), c.end()); if (c[0].first < 0) cout << 3 * n - sum[c[0].second].first << ":" << 3 * m - sum[c[0].second].second << endl; else cout << 3 * n << ":" << 3 * m; return 0; }
3
#include <bits/stdc++.h> using namespace std; int n, a[3005], m; int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= m; i++) scanf("%d", &a[i]); sort(a + 1, a + m + 1); if (a[1] == 1 || a[m] == n) { printf("NO"); return 0; } for (int i = 1; i <= m - 2; i++) if (a[i] == a[i + 1] - 1 && a[i + 1] == a[i + 2] - 1) { printf("NO"); return 0; } printf("YES"); return 0; }
2
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } long long lcm(long long a, long long b) { return (a / gcd(a, b)) * b; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int t = 1; while (t--) { int n, m, l, left, right, ans; cin >> n >> m; string s; cin >> s; string a[6] = {"abc", "bca", "cab", "acb", "bac", "cba"}; for (int i = 0; i < 6; i++) { for (int j = 3; j < n; j++) { a[i].append(1, a[i][j - 3]); } } int b[6][n + 1]; for (int i = 0; i < 6; i++) { for (int j = 0; j <= n; j++) { if (j == 0) { b[i][j] = 0; } else if (s[j - 1] == a[i][j - 1]) { b[i][j] = b[i][j - 1]; } else { b[i][j] = b[i][j - 1] + 1; } } } while (m--) { cin >> left >> right; ans = 1000000; for (int i = 0; i < 6; i++) { ans = min(ans, b[i][right] - b[i][left - 1]); } cout << ans << endl; } } }
4
#include <bits/stdc++.h> using namespace std; long long f[100007], ans[100007]; struct tak { long long s; long long d; long long p; long long id; }; long long cmp(tak x, tak y) { return x.s < y.s; } tak a[100007]; int main() { long long n, m, i, j, sum, c; cin >> n >> m; for (i = 0; i < m; i++) { cin >> a[i].s >> a[i].p >> a[i].d; a[i].id = i; } for (i = 1; i <= n; i++) f[i] = 0; for (i = 0; i < m; i++) { c = 0; sum = 0; for (j = 1; j <= n; j++) { if (f[j] <= a[i].s) c++; } if (c < a[i].p) ans[a[i].id] = -1; else { c = 0; for (j = 1; j <= n; j++) { if (a[i].p == c) break; if (f[j] <= a[i].s) { f[j] = a[i].s + a[i].d; sum += j; c++; } } ans[a[i].id] = sum; } } for (i = 0; i < m; i++) cout << ans[i] << endl; return 0; }
3
#include <bits/stdc++.h> using namespace std; const long long MAXN = 1e5 + 5; long long w[MAXN]; vector<long long> path[MAXN]; long long dp[MAXN], sdp[MAXN]; vector<long long> nd[MAXN]; long long n, l, s; long long ver[MAXN], tin[MAXN], tout[MAXN]; pair<long long, long long> dfahdasfdashsdf[MAXN << 2]; long long fasjkfhdksjafhasdfadfs[MAXN << 2]; void push_weight(long long id, long long l, long long r) { dfahdasfdashsdf[id].first += fasjkfhdksjafhasdfadfs[id]; if (l != r) { fasjkfhdksjafhasdfadfs[id << 1] += fasjkfhdksjafhasdfadfs[id]; fasjkfhdksjafhasdfadfs[id << 1 | 1] += fasjkfhdksjafhasdfadfs[id]; } fasjkfhdksjafhasdfadfs[id] = 0; } void build_weight(long long id = 1, long long l = 1, long long r = n) { if (l == r) { dfahdasfdashsdf[id].second = ver[l]; return; } long long mid = l + r >> 1; build_weight(id << 1, l, mid); build_weight(id << 1 | 1, mid + 1, r); dfahdasfdashsdf[id] = max(dfahdasfdashsdf[id << 1], dfahdasfdashsdf[id << 1 | 1]); } void upd_weight(long long u, long long v, long long val, long long id = 1, long long l = 1, long long r = n) { push_weight(id, l, r); if (r < u || l > v) return; if (l >= u && r <= v) { fasjkfhdksjafhasdfadfs[id] = val; push_weight(id, l, r); return; } long long mid = l + r >> 1; upd_weight(u, v, val, id << 1, l, mid); upd_weight(u, v, val, id << 1 | 1, mid + 1, r); dfahdasfdashsdf[id] = max(dfahdasfdashsdf[id << 1], dfahdasfdashsdf[id << 1 | 1]); } pair<long long, long long> max_weight(long long u, long long v, long long id = 1, long long l = 1, long long r = n) { push_weight(id, l, r); if (r < u || l > v) return {0, 0}; if (l >= u && r <= v) return dfahdasfdashsdf[id]; long long mid = l + r >> 1; return max(max_weight(u, v, id << 1, l, mid), max_weight(u, v, id << 1 | 1, mid + 1, r)); } long long st[MAXN << 2], lz[MAXN << 2]; void push(long long id, long long l, long long r) { st[id] += lz[id]; if (st[id] > 1e18) st[id] = 1e18; if (l != r) { lz[id << 1] += lz[id]; lz[id << 1 | 1] += lz[id]; if (lz[id << 1] > 1e18) lz[id << 1] = 1e18; if (lz[id << 1 | 1] > 1e18) lz[id << 1 | 1] = 1e18; } lz[id] = 0; } void upd(long long u, long long v, long long val, long long id = 1, long long l = 1, long long r = n) { push(id, l, r); if (r < u || l > v) return; if (l >= u && r <= v) { lz[id] = val; push(id, l, r); return; } long long mid = l + r >> 1; upd(u, v, val, id << 1, l, mid); upd(u, v, val, id << 1 | 1, mid + 1, r); st[id] = min(st[id << 1], st[id << 1 | 1]); } long long gmin(long long u, long long v, long long id = 1, long long l = 1, long long r = n) { push(id, l, r); if (r < u || l > v) return 1e18; if (l >= u && r <= v) return st[id]; long long mid = l + r >> 1; return min(gmin(u, v, id << 1, l, mid), gmin(u, v, id << 1 | 1, mid + 1, r)); } long long mx_dep = 0; void dfs(long long u, long long dep = 0) { static long long timer = 0; tin[u] = ++timer; ver[timer] = u; nd[dep].push_back(u); mx_dep = max(mx_dep, dep); for (long long v : path[u]) dfs(v, dep + 1); tout[u] = timer; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n >> l >> s; for (long long i = 1; i <= n; i++) { cin >> w[i]; if (w[i] > s) return cout << -1, 0; } for (long long i = 2, p; i <= n; i++) cin >> p, path[p].push_back(i); dfs(1); build_weight(); for (long long i = mx_dep; i >= 0; i--) for (long long u : nd[i]) { if (i + l <= n) for (long long v : nd[i + l]) upd(tin[v], tin[v], 1e18); upd_weight(tin[u], tout[u], w[u]); for (long long v : path[u]) sdp[u] += dp[v]; while (true) { auto vv = max_weight(tin[u], tout[u]); if (vv.first <= s) break; upd(tin[vv.second], tin[vv.second], 1e18); upd_weight(tin[vv.second], tin[vv.second], -1e18); } dp[u] = min(sdp[u] + 1, sdp[u] + 1 + gmin(tin[u] + 1, tout[u])); upd(tin[u], tin[u], sdp[u] - dp[u]); } cout << dp[1] << '\n'; }
5
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; vector<int> arr(n); for (auto& x : arr) cin >> x; vector<int> p(m); for (int i = 0; i < m; i++) p[i] = i; vector<vector<int>> mp(m); int ans = 0; for (int i = 0; i < n; i++) { if (i > 0 && arr[i - 1] != arr[i]) ans++; mp[arr[i] - 1].push_back(i); } cout << ans << endl; for (int i = 0; i < m - 1; i++) { int u, v; cin >> u >> v; u--, v--; while (p[u] != u) { u = p[u]; } while (p[v] != v) { v = p[v]; } if (mp[v].size() > mp[u].size()) swap(u, v); for (int x : mp[v]) { if (x + 1 < n && arr[x + 1] == u + 1) ans--; if (x > 0 && arr[x - 1] == u + 1) ans--; } for (int x : mp[v]) { arr[x] = u + 1; mp[u].push_back(x); } mp[v].clear(); p[v] = u; cout << ans << endl; } return 0; }
5
#include <bits/stdc++.h> using namespace std; void solve() { int n, m, x, y; cin >> n >> m >> x >> y; x--, y--; vector<vector<bool> > v(n, vector<bool>(m, true)); vector<pair<int32_t, int32_t> > ans; int x1 = x, y1 = y; for (int i = y; i >= 0; --i) { ans.push_back({x, i}); v[x][i] = false; } for (int i = y + 1; i < m; ++i) { ans.push_back({x, i}); v[x][i] = false; } y = m - 1; x = x1 - 1; if (v[x][y]) { ans.push_back({x, y}); v[x][y] = false; } bool flag = true; while (flag) { v[x][y] = false; flag = false; while (x > 0 && v[x - 1][y]) { x--; v[x][y] = false; ans.push_back({x, y}); flag = true; } while (y > 0 && v[x][y - 1]) { y--; v[x][y] = false; ans.push_back({x, y}); flag = true; } while (x < n - 1 && v[x + 1][y]) { x++; v[x][y] = false; ans.push_back({x, y}); flag = true; } while (y < m - 1 && v[x][y + 1]) { y++; v[x][y] = false; ans.push_back({x, y}); flag = true; } } x = n - 1; if (y != m - 1) { for (int i = y; i >= 0; --i) { ans.push_back({x, i}); v[x][i] = false; } for (int i = y + 1; i < m; ++i) { ans.push_back({x, i}); v[x][i] = false; } y = m - 1; } flag = true; while (flag) { v[x][y] = false; flag = false; while (x > 0 && v[x - 1][y]) { x--; v[x][y] = false; ans.push_back({x, y}); flag = true; } while (y > 0 && v[x][y - 1]) { y--; v[x][y] = false; ans.push_back({x, y}); flag = true; } while (x < n - 1 && v[x + 1][y]) { x++; v[x][y] = false; ans.push_back({x, y}); flag = true; } while (y < m - 1 && v[x][y + 1]) { y++; v[x][y] = false; ans.push_back({x, y}); flag = true; } } for (int i = 0; i < ans.size(); ++i) { cout << ans[i].first + 1 << ' ' << ans[i].second + 1 << '\n'; } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); solve(); return 0; }
2
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> ii; const int N = 1e5 + 5; vector<int> adj[N]; int n, k, a[N], ans; int dfs(int u) { int ret = 0; for(int v : adj[u]) { int x = dfs(v); if(x == k - 1 && u != 1) ++ans; else ret = max(ret, 1 + x); } return ret; } int main() { scanf("%d %d %d", &n, &k, &a[1]); for(int i = 2; i <= n; ++i) { scanf("%d", &a[i]); adj[a[i]].push_back(i); } ans = a[1] != 1; dfs(1); printf("%d\n", ans); }
0
#include <bits/stdc++.h> using namespace std; struct custom_hash { static uint64_t splitmix64(uint64_t x) { x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long tc; cin >> tc; while (tc--) { long long n, m; cin >> n >> m; string s; cin >> s; long long arr[m]; for (long long i = 0; i < m; i++) cin >> arr[i]; long long MM = 97; long long dp[n + 1][26]; unordered_map<long long, long long, custom_hash> mp; for (auto ch : s) mp[ch % MM]++; for (long long i = 0; i < 26; i++) { dp[n][i] = mp[i]; } for (long long i = n - 1; i >= 1; i--) { long long target = s[i] % MM; for (long long j = 0; j < 26; j++) { if (target == j) { dp[i][j] = dp[i + 1][j] - 1; } else { dp[i][j] = dp[i + 1][j]; } } } long long res[26]; for (long long i = 0; i < 26; i++) { res[i] = dp[n][i]; } for (long long i = 0; i < m; i++) { long long l = arr[i]; for (long long j = 0; j < 26; j++) res[j] += dp[l][j]; } for (long long i = 0; i < 26; i++) cout << res[i] << " "; } return 0; }
3
#include <stdio.h> #include <stdlib.h> #include <stdio.h> #include <math.h> #include <cctype> #include <iostream> #include <vector> #include <deque> #include <queue> #include <map> #include <algorithm> using namespace std; #define rep(i, n) for(int i = 0; i < n; i++) typedef pair<int ,int> P; class Coordinates { public: int x; int y; //Coordinates(int a, int b) { x=a; y=b; } Coordinates operator+(Coordinates p) { Coordinates tmp; tmp.x = x + p.x; tmp.y = y + p.y; return tmp; } Coordinates(){ x = 0; y = 0;}; //Coordinates(int a, int b); Coordinates(int a, int b) { x = a; y = b;} friend bool operator==(const Coordinates a, const Coordinates b) { return (a.x == b.x && a.y == b.y); } friend bool operator<(const Coordinates a, const Coordinates b) { //同じときはfalseの仕様 int da = a.x*a.x + a.y*a.y; int db = b.x*b.x + b.y*b.y; if ( da < db ) { return true; } else if ( da == db ) { if ( a.x < b.x ) { return true; } else { return false; } } else { return false; } } }; typedef Coordinates Coo; int main() { int n; cin >> n; //各caveに対して rep( i, n) { Coo sum; Coo tmp; Coo max = Coo(0,0); //各移動情報に関して while ( cin >> tmp.x >> tmp.y ) { if ( tmp.x == 0 && tmp.y == 0) { break; } sum = sum + tmp; if( max < sum ) { max = sum; } } cout << max.x << " " << max.y << endl; } }
0
#include<stdio.h> int A[20],n; int solve(int i,int m) { if (m == 0) return 1; else if (i >= n) return 0; return solve(i + 1, m) || solve(i+1,m-A[i]); } int main() { int p, key; scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &A[0] + i); } scanf("%d", &p); for (int i = 0; i < p; i++) { scanf("%d", &key); if (solve(0, key)) printf("yes\n"); else printf("no\n"); } return 0; }
0
#include <bits/stdc++.h> inline int getInt() { int s; scanf("%d", &s); return s; } using namespace std; int g[60][60][60]; int memo[1001][60][60]; int main() { int n = getInt(); int m = getInt(); int r = getInt(); for (int c = 0; c < (int)(m); c++) { for (int i = 0; i < (int)(n); i++) for (int j = 0; j < (int)(n); j++) g[c][i][j] = getInt(); for (int k = 0; k < (int)(n); k++) for (int i = 0; i < (int)(n); i++) for (int j = 0; j < (int)(n); j++) g[c][i][j] = min(g[c][i][j], g[c][i][k] + g[c][k][j]); } for (int c = 0; c < (int)(1001); c++) for (int i = 0; i < (int)(n); i++) for (int j = 0; j < (int)(n); j++) memo[c][i][j] = 10000000; for (int c = 0; c < (int)(m); c++) for (int i = 0; i < (int)(n); i++) for (int j = 0; j < (int)(n); j++) memo[0][i][j] = min(memo[0][i][j], g[c][i][j]); for (int c = 0; c < (int)(1000); c++) { for (int i = 0; i < (int)(n); i++) for (int j = 0; j < (int)(n); j++) for (int k = 0; k < (int)(n); k++) memo[c + 1][i][j] = min(memo[c + 1][i][j], memo[c][i][k] + memo[0][k][j]); } for (int rr = 0; rr < (int)(r); rr++) { int s = getInt() - 1; int e = getInt() - 1; int k = getInt(); printf("%d\n", memo[k][s][e]); } return 0; }
2
#include <bits/stdc++.h> int main() { int n, x, mn = 51, c = 0; scanf("%d", &n); for (int i = 0; i < n; ++i) { scanf("%d", &x); if (x < mn) mn = x, c = 0; if (x == mn) ++c; } puts(c > n / 2 ? "Bob" : "Alice"); }
3
#include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f; const long long infLL = 0x3f3f3f3f3f3f3f3fLL; const int hash_mod = 1000037; const double eps = 1e-10; const double pi = acos(-1); const int maxn = 1000000 + 5; int n; char s[maxn]; int cnt[10]; int main() { scanf("%s", s); n = strlen(s); for (int i = 0; i < n; ++i) ++cnt[s[i] - '0']; --cnt[1]; --cnt[6]; --cnt[8]; --cnt[9]; if (cnt[0] == n - 4) { printf("1869"); while (cnt[0]--) printf("0"); puts(""); } else { int p = 0; for (int i = 9; i >= 0; --i) while (cnt[i]--) { p = (p * 10 + i) % 7; printf("%d", i); } int a[] = {1, 6, 8, 9}; do { int t = 0; for (int i = 0; i < 4; ++i) t = t * 10 + a[i]; if ((p * 10000 + t) % 7 == 0) { printf("%d\n", t); break; } } while (next_permutation(a, a + 4)); } return 0; }
3
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; cin >> n; int a[n], b[n]; for (int i = 0; i < n; i++) { cin >> a[i]; b[i] = a[i]; } sort(b, b + n); int k = *min_element(a, a + n); bool bl = true; for (int i = 0; i < n; i++) { if (a[i] != b[i] && a[i] % k) { bl = false; break; } } if (bl) cout << "YES" << endl; else cout << "NO" << endl; } return 0; }
3
#include<bits/stdc++.h> using namespace std; long long sum,n,q,tong[233333]; int main(){ ios::sync_with_stdio(0); cin.tie(0);cout.tie(0); cin>>n; for(long long i=1,x;i<=n;i++)cin>>x,tong[x]++,sum+=x; cin>>q; while(q--){ long long b,c; cin>>b>>c; sum=sum-b*tong[b]+c*tong[b]; tong[c]+=tong[b]; tong[b]=0; cout<<sum<<endl; } }
0
#include <stdio.h> int main(){ int x=0; char buf[5]; scanf("%s", buf); for (int i = 0; buf[i]; ++i){ if (buf[i] == '+') ++x; else --x; } printf("%d\n", x); return 0; }
0
#include <bits/stdc++.h> using namespace std; int main() { long long int n; cin >> n; string s; cin >> s; long long int maxlen = 1; for (int i = 1; i < n; ++i) { if (s[0] == s[i]) { long long int a = 0, b = i; while (a < i && b < n && s[a] == s[b]) { a++; b++; } if (a == i) maxlen = max(maxlen, (long long int)i); } } cout << n - maxlen + 1 << "\n"; return 0; }
2
#include <bits/stdc++.h> #pragma GCC optimize("O3") using namespace std; mt19937 rnd(time(nullptr)); long long mod; int ppow(int first, int second) { int res = 1; while (second) { if (second & 1) res = res * 1LL * first % mod; first = first * 1LL * first % mod; second >>= 1LL; } return res % mod; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); string b, n; cin >> b >> n >> mod; long long d = 1, val = 0, ans = 1; for (int i = b.size() - 1; ~i; --i) { val += int(b[i] - '0') * d, val %= mod; d *= 10, d %= mod; } for (int i = n.size() - 1; ~i; --i) { if (n[i] == '0') continue; n[i]--; for (int j = i + 1; j < n.size(); ++j) n[j] = '9'; break; } long long cur; d = val; for (int i = n.size() - 1; ~i; --i) { cur = 1; for (int j = 0; j < n[i] - '0'; ++j) cur *= d, cur %= mod; ans *= cur, ans %= mod; cur = d; for (int j = 1; j < 10; ++j) d *= cur, d %= mod; } ans *= (val - 1 + mod), ans %= mod; cout << (ans ? ans : mod); }
4
#include <bits/stdc++.h> using namespace std; int main() { double h, m, s, t1, t2; cin >> h >> m >> s >> t1 >> t2; if (h == 12) h = 0; s = s * 6; m = m * 6 + s / 60; h = h * 30 + m / 12; int flag = 0; t1 *= 30, t2 *= 30; if (t1 > t2) swap(t1, t2); if (s <= t2 && s >= t1) flag++; if (h <= t2 && h >= t1) flag++; if (m <= t2 && m >= t1) flag++; if (flag == 3 || flag == 0) cout << "YES" << endl; else cout << "NO" << endl; return 0; }
2
#include <bits/stdc++.h> using namespace std; const long long mx1 = 1e6 + 20, mx2 = 1e7 + 2; const long long mod = 1e9 + 7; const int imf1 = 1 << 31, inf1 = ~imf1; const long long imf2 = 1LL << 63, inf2 = ~imf2; int main() { long long a, b, c = 0; cin >> a >> b; while (b) { c = c * 10 + b % 10; b /= 10; } cout << a + c; return 0; }
1
#include <bits/stdc++.h> using namespace std; bool vis[1111][1111]; int a[1111][1111]; int dx[] = {0, 1, 0, -1}; int dy[] = {1, 0, -1, 0}; int fa[1111111]; int getfa(int x) { if (fa[x] == x) return x; else return fa[x] = getfa(fa[x]); } void Union(int x, int y) { int fx = getfa(x); int fy = getfa(y); fa[fx] = fy; } int gcd(int a, int b) { if (b == 0) return a; else return gcd(b, a % b); } int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 0; i < n; ++i) { for (int j = 0; j < m; ++j) scanf("%d", &a[i][j]); } for (int i = 0; i <= n * m; ++i) fa[i] = i; int odd = 0; int bx, by; for (int i = 0; i < n; ++i) { for (int j = 0; j < m; ++j) { if (a[i][j] == 0) continue; bx = i; by = j; int cnt = 0, sta = 0; for (int k = 0; k < 4; ++k) { int x = i + dx[k]; int y = j + dy[k]; if (x < 0 || y < 0 || x >= n || y >= m || a[x][y] == 0) continue; Union(i * m + j, x * m + y); cnt++; sta |= (1 << k); } if (cnt & 1) odd++; if (sta != 5 && sta != 10) vis[i][j] = true; } } int flag = 1; int anc = getfa(bx * m + by); for (int i = 0; i < n; ++i) { for (int j = 0; j < m; ++j) { if (a[i][j] == 0) continue; int f1 = getfa(i * m + j); if (f1 != anc) flag = 0; } } if (odd != 0 && odd != 2) flag = 0; if (flag == 0) { printf("-1\n"); return 0; } int ans = 0; for (int i = 0; i <= n; ++i) { for (int j = 0; j <= m; ++j) { if (!vis[i][j]) continue; for (int k = 0; k < 4; ++k) { int x = i + dx[k]; int y = j + dy[k]; if (x < 0 || y < 0 || x >= n || y >= m || a[x][y] == 0) continue; int now = 0; while (x >= 0 && x < n && y >= 0 && y < m && a[x][y] == 1) { now++; if (vis[x][y]) break; x += dx[k]; y += dy[k]; } ans = gcd(ans, now); } } } if (ans == 1 || ans == 0) printf("-1\n"); else { for (int i = 2; i < ans; ++i) if (ans % i == 0) printf("%d ", i); printf("%d\n", ans); } }
5
#include <bits/stdc++.h> using namespace std; const long long inf = (long long)1e9 + 1; const long long INF = (long long)5e18; const long long MOD = 998244353; long long _abs(long long x) { return x < 0 ? -x : x; } long long add(long long x, long long y) { x += y; return x >= MOD ? x - MOD : x; } long long sub(long long x, long long y) { x -= y; return x < 0 ? x + MOD : x; } void Add(long long &x, long long y) { x += y; if (x >= MOD) x -= MOD; } void Sub(long long &x, long long y) { x -= y; if (x < 0) x += MOD; } void Mul(long long &x, long long y) { x = (long long)(x) * (y) % MOD; } long long qpow(long long x, long long y) { long long ret = 1; while (y) { if (y & 1) ret = (long long)(ret) * (x) % MOD; x = (long long)(x) * (x) % MOD; y >>= 1; } return ret; } void checkmin(long long &x, long long y) { if (x > y) x = y; } void checkmax(long long &x, long long y) { if (x < y) x = y; } inline long long read() { long long x = 0, f = 1; char c = getchar(); while (c > '9' || c < '0') { if (c == '-') f = -1; c = getchar(); } while (c >= '0' && c <= '9') x = (x << 1) + (x << 3) + (c ^ 48), c = getchar(); return x * f; } const long long N = 500005; long long T, n, a[N]; set<pair<long long, long long> > st; long long zero, two, flag = 1, tag = 0; void insert(long long l, long long r) { if (l > r) return; if (flag == 1) st.insert(make_pair(l - tag, r - tag)); else st.insert(make_pair(tag - r, tag - l)); } vector<pair<long long, long long> > used; void solve() { st.clear(); two = -1; zero = 0; flag = 1; tag = 0; for (long long i = 1; i <= n; i++) { if (two != -1) { st.clear(), zero += 2; flag = 1; tag = 0; if (a[i - 1] - two < a[i]) st.insert(make_pair(a[i - 1] - two, a[i - 1] - two)); two = -1; } else { if (!st.empty()) { flag *= -1; tag = a[i - 1] - tag; zero++; if (flag == 1) { auto it = st.upper_bound(make_pair(a[i] - 1 - tag, inf)), it2 = it; used.clear(); while (it2 != st.end()) used.push_back(*it2), it2++; if (it != st.begin()) { it--; if (it->second + tag > a[i] - 1) { long long tmp1 = it->first; st.erase(it); insert(tmp1 + tag, a[i] - 1); } } for (auto &u : used) st.erase(u); } else { auto it = st.upper_bound(make_pair(tag + 1 - a[i], inf)); if (it != st.begin()) { used.clear(); it--; auto it2 = it; it2--; if (it != st.begin()) while (true) { used.push_back(*it2); if (it2 == st.begin()) break; it2--; } if (it != st.end() && -it->second + tag <= a[i] - 1) { long long tmp2 = it->second; st.erase(it); insert(-tmp2 + tag, a[i] - 1); } if (it != st.end() && -it->second + tag > a[i] - 1) st.erase(it); for (auto &u : used) st.erase(u); } } } else { if (i != 1) insert(1, min(a[i - 1], a[i]) - 1); } } if (a[i] % 2 == 0 && !st.empty()) { if (flag == 1) { auto it = st.upper_bound(make_pair(a[i] / 2 - tag, inf)); if (it != st.begin()) { it--; if (it->second + tag >= a[i] / 2) { two = a[i] / 2; long long tmp1 = it->first, tmp2 = it->second; st.erase(it); insert(tmp1 + tag, a[i] / 2 - 1); insert(a[i] / 2 + 1, tmp2 + tag); } } } else { auto it = st.upper_bound(make_pair(tag - a[i] / 2, inf)); if (it != st.begin()) { it--; if (-it->second + tag <= a[i] / 2) { two = a[i] / 2; long long tmp1 = it->first, tmp2 = it->second; st.erase(it); insert(-tmp2 + tag, a[i] / 2 - 1); insert(a[i] / 2 + 1, -tmp1 + tag); } } } } if (two == -1 && a[i] % 2 == 0) insert(a[i] / 2, a[i] / 2); } long long ans = zero; if (two != -1) ans += 2; else if (!st.empty()) ans++; cout << n * 2 - ans << endl; } signed main() { T = read(); while (T--) { n = read(); for (long long i = 1; i <= n; i++) a[i] = read(); solve(); } return 0; }
5
#include <bits/stdc++.h> #pragma GCC target("sse4.2") using namespace std; bool home = 1; signed realMain(); signed main() { home = 0; if (home) { freopen("tony_stark", "r", stdin); } else { ios::sync_with_stdio(0); cin.tie(0); } realMain(); } const int M = (int)1e9 + 7; int add(int a, int b) { a += b; if (a >= M) return a - M; if (a < 0) return a + M; return a; } int mul(int a, int b) { return a * (long long)b % M; } int pw(int a, int b) { int r = 1; while (b) { if (b & 1) r = mul(r, a); a = mul(a, a); b /= 2; } return r; } int dv(int a, int b) { return mul(a, pw(b, M - 2)); } const int N = (int)1e5 + 7; const int T = 3; int q, n, fact[N], ifact[N], memo[T][N], p25[N], p26[N], now[N]; string s; int comb(int n, int k) { return mul(fact[n], mul(ifact[k], ifact[n - k])); } void job() { for (int len = 1; len < N; len++) { if (len - n < 0) now[len] = 0; else now[len] = add(mul(26, now[len - 1]), mul(comb(len - 1, n - 1), p25[len - n])); } } signed realMain() { p25[0] = 1; p26[0] = 1; for (int i = 1; i < N; i++) p25[i] = mul(p25[i - 1], 25); for (int i = 1; i < N; i++) p26[i] = mul(p26[i - 1], 26); fact[0] = 1; for (int i = 1; i < N; i++) fact[i] = mul(fact[i - 1], i); ifact[N - 1] = dv(1, fact[N - 1]); for (int i = N - 2; i >= 0; i--) ifact[i] = mul(ifact[i + 1], i + 1); for (n = 1; n < T; n++) { job(); for (int j = 0; j < N; j++) { memo[n][j] = now[j]; } } cin >> q >> s; n = (int)s.size(); job(); while (q--) { int t; cin >> t; if (t == 1) { cin >> s; n = (int)s.size(); job(); } else { int len; cin >> len; cout << now[len] << "\n"; if (n < T) { assert(now[len] == memo[n][len]); } } } return 0; }
3
#include <bits/stdc++.h> using namespace std; #define ll long long int main(){ ios::sync_with_stdio(false);cin.tie(0);cout.tie(0); int t; cin >> t; while(t--) { ll n, res = 0; cin >> n; vector <ll> v(n + 1); for(int i = 1; i <= n; i++) cin >> v[i]; for(int i = 1; i < n; i++) { ll mod = v[i] - i, st; if(mod <= 0) st = v[i] - (abs(mod) % v[i]); else st = mod; if(st <= i) { ll a = st % v[i], b = i % v[i]; if(a == b) st = i + v[i]; else if(a < b) st = i + (v[i] - b + a); else st = i + (a - b); } for(int j = st; j <= n; j += v[i]) { if(v[i] * v[j] == i + j) res++; } } cout << res << "\n"; } return 0; }
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); int n, j = 1; string x; cin >> n >> x; for (int i = 1; i <= n; i += j) { cout << x[i - 1]; j++; } return 0; }
1
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; long long a[1500]; long long b[1500]; long long ai[1500]; long long bi[1500]; int main() { int n; cin >> n; for (int i = 0; i < n; ++i) cin >> a[i]; for (int i = 0; i < n; ++i) cin >> b[i]; long long maxx = 0; for (int x = 0; x < n; ++x) { for (int y = 0; y < n; ++y) { long long c1 = 0, c2 = 0; for (int k = x; k <= y; ++k) { c1 |= a[k]; c2 |= b[k]; } maxx = max(c1 + c2, maxx); } } cout << maxx << endl; return 0; }
1
#include <bits/stdc++.h> using namespace std; void solve() { long long n, k, i; cin >> n >> k; vector<int> v(n); for (i = 0; i < n; i++) { v[i] = i + 1; } if (k == 0) { for (i = 0; i < n; i++) { cout << v[i] << " "; } return; } if (k == n - 1) { reverse(v.begin(), v.end()); for (i = 0; i < n; i++) { cout << v[i] << " "; } return; } reverse(v.begin(), v.begin() + k + 1); for (i = 0; i < n; i++) { cout << v[i] << " "; } } int main() { solve(); }
1
#include <bits/stdc++.h> const double PI = acos(-1.0); using namespace std; const int Max = 10055; int gcd(long long a, long long b) { if (b == 0) return a; else return gcd(b, a % b); } long long lcm(long long a, long long b) { return (a * (b / gcd(a, b))); } bool com(string x, string y) { return x + y < y + x; } int main() { int n; cin >> n; set<string> a; string m[200000]; for (int i = 0; i < n; i++) { cin >> m[i]; a.insert(m[i]); } for (int i = n - 1; i >= 0; i--) { if (a.find(m[i]) != a.end()) { cout << m[i] << endl; a.erase(m[i]); } } return 0; }
2
#include <bits/stdc++.h> using namespace std; int n, u, v, a[120000]; int main() { scanf("%d%d%d", &n, &u, &v); for (int i = 1; i <= n; i++) scanf("%d", a + i); sort(a + 2, a + n + 1); long long sum = a[1]; for (int i = 2; i <= n; i++) { sum += a[i]; if (sum * v > (long long)a[1] * u) { printf("%d\n", n - i + 1); return 0; } } puts("0"); return 0; }
2
#include <bits/stdc++.h> using namespace std; template <typename T> bool get_int(T &x) { char t = getchar(); bool neg = false; x = 0; for (; (t > '9' || t < '0') && t != '-' && t != EOF; t = getchar()) ; if (t == '-') neg = true, t = getchar(); if (t == EOF) return false; for (; t <= '9' && t >= '0'; t = getchar()) x = x * 10 + t - '0'; if (neg) x = -x; return true; } template <typename T> void print_int(T x) { if (x < 0) putchar('-'), x = -x; short a[20] = {}, sz = 0; while (x > 0) a[sz++] = x % 10, x /= 10; if (sz == 0) putchar('0'); for (int i = sz - 1; i >= 0; i--) putchar('0' + a[i]); } const int inf = 0x3f3f3f3f; const long long Linf = 1ll << 61; const double pi = acos(-1.0); const int maxn = 1000111; const int maxm = 1000111; struct max_flow { struct edge { int to, cap; }; int head[maxn], nxt[maxm << 1], iter[maxn], tot; edge e[maxm << 1]; void clear() { memset(head, 0, sizeof(head)); tot = 1; } max_flow() { clear(); } void addedge(int u, int v, int cap) { nxt[++tot] = head[u]; head[u] = tot; e[tot] = edge{v, cap}; nxt[++tot] = head[v]; head[v] = tot; e[tot] = edge{u, 0}; } int lvl[maxn], q[maxn]; bool bfs(int s, int t) { memset(lvl, -1, sizeof(lvl)); lvl[s] = 0; int rr = 0; q[rr++] = s; for (int fr = 0; fr < rr; fr++) { int x = q[fr]; if (x == t) return true; for (int i = head[x]; i; i = nxt[i]) if (e[i].cap && lvl[e[i].to] == -1) { lvl[e[i].to] = lvl[x] + 1; q[rr++] = e[i].to; } } return false; } int dfs(int x, int t, int f) { if (x == t || f == 0) return f; int ret = 0; for (int &i = iter[x]; i; i = nxt[i]) if (e[i].cap && lvl[e[i].to] == lvl[x] + 1) { int d = dfs(e[i].to, t, min(f, e[i].cap)); e[i].cap -= d; e[i ^ 1].cap += d; f -= d; ret += d; if (!f) break; } return ret; } int maxflow(int s, int t) { int flow = 0; while (bfs(s, t)) { memcpy(iter, head, sizeof(head)); flow += dfs(s, t, inf); } return flow; } } thor; vector<int> g[20111], ie[20111]; int f[15][20111], id[15][20111], fid[20111], dep[20111], tot, n, m; void dfs(int x) { for (int i = 1; i < 15; i++) f[i][x] = f[i - 1][f[i - 1][x]]; for (int i = 0; i < 15; i++) if (f[i][x]) id[i][x] = ++tot; for (int i = 0; i < (int)g[x].size(); i++) if (g[x][i] != f[0][x]) { f[0][g[x][i]] = x; fid[g[x][i]] = ie[x][i]; dep[g[x][i]] = dep[x] + 1; dfs(g[x][i]); } } int main() { (get_int(n) && get_int(m)); for (int i = 1, u, v; i < n; i++) { (get_int(u) && get_int(v)); g[u].push_back(v); g[v].push_back(u); ie[u].push_back(i); ie[v].push_back(i); } dfs(1); int S = tot + m + 1, T = S + 1; for (int i = 2; i <= n; i++) { thor.addedge(id[0][i], T, 1); for (int j = 1; j < 15; j++) if (f[j][i]) { thor.addedge(id[j][i], id[j - 1][i], 100000); thor.addedge(id[j][i], id[j - 1][f[j - 1][i]], 100000); } } for (int i = 1, u, v; i <= m; i++) { (get_int(u) && get_int(v)); thor.addedge(S, tot + i, 1); if (dep[u] < dep[v]) swap(u, v); for (int j = 14; j >= 0; j--) if (dep[u] - dep[v] >> j) { thor.addedge(tot + i, id[j][u], 1); u = f[j][u]; } if (u == v) continue; for (int j = 14; j >= 0; j--) if (f[j][u] != f[j][v]) { thor.addedge(tot + i, id[j][u], 1); thor.addedge(tot + i, id[j][v], 1); u = f[j][u]; v = f[j][v]; } thor.addedge(tot + i, id[0][u], 1); thor.addedge(tot + i, id[0][v], 1); } printf("%d\n", thor.maxflow(S, T)); vector<int> v1, v2; for (int i = 1; i <= m; i++) if (thor.lvl[tot + i] == -1) v1.push_back(i); for (int i = 2; i <= n; i++) if (thor.lvl[id[0][i]] != -1) v2.push_back(fid[i]); printf("%d ", (int)v1.size()); for (auto v : v1) printf("%d ", v); puts(""); printf("%d ", (int)v2.size()); for (auto v : v2) printf("%d ", v); puts(""); return 0; }
5
#include <bits/stdc++.h> using namespace std; int cnt[27]; int ans[27]; int main() { memset(cnt, 0, sizeof(cnt)); memset(ans, 0, sizeof(ans)); string s, p; cin >> s >> p; if (p.size() > s.size()) { cout << 0 << endl; return 0; } int sum = 0; for (int i = 0; i < p.size(); i++) { if (s[i] != '?') cnt[s[i] - 'a']++; ans[p[i] - 'a']++; } bool flag = 0; for (int i = 0; i < 26; i++) { if (cnt[i] > ans[i]) flag = 1; } if (!flag) sum++; for (int i = 0; i < s.size() - p.size(); i++) { flag = 0; if (s[i] != '?') cnt[s[i] - 'a']--; if (s[i + p.size()] != '?') cnt[s[i + p.size()] - 'a']++; for (int j = 0; j < 26; j++) { if (cnt[j] > ans[j]) flag = 1; } if (!flag) sum++; } cout << sum << endl; return 0; }
3
#include <bits/stdc++.h> using namespace std; const int inf = (int)1e9, maxn = (int)1e5 + 5; const double eps = (double)1e-8; const int mod = (int)1000000007; int a[maxn], b[maxn]; int fa(int l, int r) { int ans = a[l]; for (int i = (l + 1); i < (r); i++) ans = ans | a[i]; return ans; } int fb(int l, int r) { int ans = b[l]; for (int i = (l + 1); i < (r); i++) ans = ans | b[i]; return ans; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; for (int i = (0); i < (n); i++) cin >> a[i]; for (int i = (0); i < (n); i++) cin >> b[i]; int ans = -inf; cout << fa(0, n) + fb(0, n); return 0; }
1
#include <bits/stdc++.h> using namespace std; int main() { int p1, p2, p3, p4, a, b, i, c = 0; cin >> p1 >> p2 >> p3 >> p4 >> a >> b; for (i = a; i <= b; i++) { if (i == ((((i % p1) % p2) % p3) % p4)) c++; } cout << c; return 0; }
1
#include <bits/stdc++.h> using namespace std; inline void _() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); } void __() {} inline void ___(char *i, char *j) { freopen(i, "r", stdin); freopen(j, "w", stdout); } template <class T1> bool tk(T1 &e1) { if (cin >> e1) return true; return false; } template <class T1, class T2> bool tk(T1 &e1, T2 &e2) { if (cin >> e1 >> e2) return true; return false; } template <class T1, class T2, class T3> bool tk(T1 &e1, T2 &e2, T3 &e3) { if (cin >> e1 >> e2 >> e3) return true; return false; } template <class T1, class T2, class T3, class T4> bool tk(T1 &e1, T2 &e2, T3 &e3, T4 &e4) { if (cin >> e1 >> e2 >> e3 >> e4) return true; return false; } template <class T1, class T2, class T3, class T4, class T5> bool tk(T1 &e1, T2 &e2, T3 &e3, T4 &e4, T5 &e5) { if (cin >> e1 >> e2 >> e3 >> e4 >> e5) return true; return false; } template <class T1, class T2, class T3, class T4, class T5, class T6> bool tk(T1 &e1, T2 &e2, T3 &e3, T4 &e4, T5 &e5, T6 &e6) { if (cin >> e1 >> e2 >> e3 >> e4 >> e5 >> e6) return true; return false; } template <class T1> void put(T1 e) { cout << e << endl; } template <class T1, class T2> void put(T1 e1, T2 e2) { cout << e1 << " " << e2 << endl; } template <class T1, class T2, class T3> void put(T1 e1, T2 e2, T3 e3) { cout << e1 << " " << e2 << " " << e3 << endl; } template <class T1, class T2, class T3, class T4> void put(T1 e1, T2 e2, T3 e3, T4 e4) { cout << e1 << " " << e2 << " " << e3 << " " << e4 << endl; } template <class T1, class T2, class T3, class T4, class T5> void put(T1 e1, T2 e2, T3 e3, T4 e4, T5 e5) { cout << e1 << " " << e2 << " " << e3 << " " << e4 << " " << e5 << endl; } template <class T1, class T2, class T3, class T4, class T5, class T6> void put(T1 e1, T2 e2, T3 e3, T4 e4, T5 e5, T6 e6) { cout << e1 << " " << e2 << " " << e3 << " " << e4 << " " << e5 << " " << e6 << endl; } template <class T1> void putVec(vector<T1> e1) { for (int i = 0; i < (e1).size(); i++) (!i ? cout << e1[i] : cout << " " << e1[i]); cout << endl; } template <class T1> void putArr(T1 arr[], int l) { for (int i = 0; i < l; i++) (!i ? cout << arr[i] : cout << " " << arr[i]); cout << endl; } template <class T1> void bug(T1 e) {} template <class T1, class T2> void bug(T1 e1, T2 e2) {} template <class T1, class T2, class T3> void bug(T1 e1, T2 e2, T3 e3) {} template <class T1, class T2, class T3, class T4> void bug(T1 e1, T2 e2, T3 e3, T4 e4) {} template <class T1, class T2, class T3, class T4, class T5> void bug(T1 e1, T2 e2, T3 e3, T4 e4, T5 e5) {} template <class T1, class T2, class T3, class T4, class T5, class T6> void bug(T1 e1, T2 e2, T3 e3, T4 e4, T5 e5, T6 e6) {} template <class T1> void bugVec(vector<T1> e1) {} template <class T1> void bugArr(T1 arr[], int l) {} template <typename T> inline bool isOn(T &mask, int pos) { return ((mask) & (1 << pos)); } template <typename T> inline void setOff(T &mask, int pos) { mask = ((mask) & (~(1 << pos))); } template <typename T> inline void setOn(T &mask, int pos) { mask = ((mask)(1 << pos)); } namespace gv {}; long long absolute(long long a) { if (a < 0) return -a; return a; } int main() { _(); vector<pair<int, pair<int, int> > > ans(2); ans[0] = { 2 * (long long int)1000000000, {2 * (long long int)1000000000 + 1, 2 * (long long int)1000000000 + 1}}; int n, m, c; vector<int> a, b; tk(n); for (int i = 0; i < n; i++) tk(c), a.push_back(c); sort(a.begin(), a.end()); tk(m); for (int i = 0; i < m; i++) tk(c), b.push_back(c); sort(b.begin(), b.end()); for (int i = 0; i < n; i++) { for (int j = -1; j < 1; j++) { int lo = max(a[i] + j, 0); int binaryLo = 0, binaryHi = a.size(); while (binaryLo < binaryHi) { int mid = binaryLo + (binaryHi - binaryLo) / 2; if (a[mid] <= lo) binaryLo = mid + 1; else binaryHi = mid; } long long A = binaryLo * 2 + ((int)a.size() - binaryLo) * 3; binaryLo = 0, binaryHi = b.size(); while (binaryLo < binaryHi) { int mid = binaryLo + (binaryHi - binaryLo) / 2; if (b[mid] <= lo) binaryLo = mid + 1; else binaryHi = mid; } long long B = binaryLo * 2 + ((int)b.size() - binaryLo) * 3; bug(A, B, lo, binaryLo); ans[1] = {-1 * A + B, {-1 * A, B}}; sort(ans.begin(), ans.end()); } } for (int i = 0; i < m; i++) { for (int j = -1; j < 1; j++) { int lo = max(b[i] + j, 0); int binaryLo = 0, binaryHi = a.size(); while (binaryLo < binaryHi) { int mid = binaryLo + (binaryHi - binaryLo) / 2; if (a[mid] <= lo) binaryLo = mid + 1; else binaryHi = mid; } long long A = binaryLo * 2 + ((int)a.size() - binaryLo) * 3; binaryLo = 0, binaryHi = b.size(); while (binaryLo < binaryHi) { int mid = binaryLo + (binaryHi - binaryLo) / 2; if (b[mid] <= lo) binaryLo = mid + 1; else binaryHi = mid; } long long B = binaryLo * 2 + ((int)b.size() - binaryLo) * 3; bug(A, B, lo, binaryLo); ans[1] = {-1 * A + B, {-1 * A, B}}; sort(ans.begin(), ans.end()); } } cout << (-1 * (ans[0].second.first)) << ":" << ans[0].second.second << endl; __(); }
3
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef double db; typedef pair<int, int> pii; typedef pair<int, ll> pil; typedef pair<ll, int> pli; typedef pair<ll, ll> pll; typedef pair<pii, int> piipi; typedef pair<int, pii> pipii; typedef pair<pii, pii> piipii; typedef pair<ll, pii> plpii; typedef pair<db, db> pdd; typedef pair<ld, ld> pldd; #define mp make_pair #define fi first #define se second #define sz(x) (int)x.size() #define all(x) (x).begin(), (x).end() #define eb emplace_back #define pf push_front #define pb push_back // const int mod = 998244353; const int P1 = 999983, P2 = 999979; const ld PI = acos((ld)-1); const int mod = 998244353; const int dir[4][2] = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}}; const ll INF = 1e18; const int N = 1e6+5; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); char c[300005]; vector<char> s[300005]; vector<int> sumR[300005], sumL[300005], sumU[300005], sumD[300005]; ll dp1[300005], dp2[300005]; ll pw[300005]; int main(){ int n, m; scanf("%d%d", &n, &m); pw[0] = 1; for(int i=1;i<=n*m;i++) pw[i] = pw[i-1]*2%mod; for(int i=0;i<=n+2;i++){ s[i].resize(m+2); sumR[i].resize(m+2); sumL[i].resize(m+2); sumU[i].resize(m+2); sumD[i].resize(m+2); } int sum = 0; for(int i=1;i<=n;i++){ scanf("%s", c+1); for(int j=1;j<=m;j++){ s[i][j] = c[j]; if(s[i][j] == 'o'){ sum++; sumL[i][j] = sumL[i][j-1] + 1; sumU[i][j] = sumU[i-1][j] + 1; } } } for(int i=1;i<=n*m;i++){ if(sum-i-2 >= 0){ dp1[i] += (i/2)*1ll*pw[sum-i-2]%mod; dp1[i] += dp1[i-1]; dp1[i] %= mod; } if(sum-i-1 >= 0){ dp2[i] += (i/2)*1ll*pw[sum-i-1]%mod; dp2[i] += dp2[i-1]; dp2[i] %= mod; } } for(int i=n;i>=1;i--){ for(int j=m;j>=1;j--){ if(s[i][j] == 'o'){ sumR[i][j] = sumR[i][j+1] + 1; sumD[i][j] = sumD[i+1][j] + 1; } } } ll ans = 0; for(int i=1;i<=n;i++){ for(int j=1;j<=m;j++){ if(s[i][j] == 'o'){ int cnt = sumL[i][j]; if(j == m || s[i][j+1] != 'o'){ ans += dp2[cnt-1]; ans %= mod; if(sum-cnt >= 0){ ans += (cnt/2)*1ll*pw[sum-cnt]%mod; ans %= mod; } } else{ ans += dp1[cnt-1]; ans %= mod; if(sum-cnt-1 >= 0){ ans += (cnt/2)*1ll*pw[sum-cnt-1]%mod; ans %= mod; } } cnt = sumU[i][j]; if(i == n || s[i+1][j] != 'o'){ ans += dp2[cnt-1]; ans %= mod; if(sum-cnt >= 0){ ans += (cnt/2)*1ll*pw[sum-cnt]%mod; ans %= mod; } } else{ ans += dp1[cnt-1]; ans %= mod; if(sum-cnt-1 >= 0){ ans += (cnt/2)*1ll*pw[sum-cnt-1]%mod; ans %= mod; } } ans %= mod; } } } printf("%lld\n", ans); }
5
#include <bits/stdc++.h> using namespace std; const int N = 310; vector<int> s[8]; int n; int tar[N], chk[N]; inline int read() { int x = 0; for (int i = 0; i < 3; i++) { int s = 0; scanf("%d", &s); x = x * 2 + s; } return x; } vector<int> t8; vector<pair<int, int> > mp; bool B[N]; int cur[N]; int g[8]; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { tar[i] = read(); if (i > 1) { s[tar[i]].push_back(i); } } for (int i = 1; i <= n; i++) { chk[i] = read(); } if (s[7].size()) { B[1] = 0; cur[1] = 7; for (size_t i = 0; i < s[7].size(); i++) { mp.push_back(pair<int, int>(1, s[7][i])); B[s[7][i]] = 1; g[chk[s[7][i]]] = s[7][i]; cur[s[7][i]] = 7; } } else { B[1] = 1; cur[1] = 7; g[chk[1]] = 1; } for (int i = 7; i; i--) if (__builtin_popcount(i) == 2) { if (g[i]) { for (size_t j = 0; j < s[i].size(); j++) { cur[s[i][j]] = i; mp.push_back(pair<int, int>(g[i], s[i][j])); B[s[i][j]] = 1; if (!g[chk[s[i][j]] & i]) { g[chk[s[i][j]] & i] = s[i][j]; } } } } for (int i = 1; i <= n; i++) { if (cur[i] != tar[i]) { if (g[tar[i]]) { mp.push_back(pair<int, int>(g[tar[i]], i)); cur[i] = tar[i]; } else { for (int j = 0; j < 3; j++) { if ((1 << j) & tar[i]) { if (g[1 << j]) { mp.push_back(pair<int, int>(g[1 << j], i)); cur[i] |= 1 << j; } } } if (cur[i] != tar[i]) { puts("Impossible"); return 0; } B[i] = 0; g[tar[i]] = i; } } } for (int i = 1; i <= n; i++) { if (cur[i] != tar[i]) { puts("Impossible"); return 0; } } puts("Possible"); for (int i = 1; i <= n; i++) printf("%d ", B[i]); puts(""); cout << mp.size() << endl; for (size_t i = 0; i < mp.size(); i++) { printf("%d %d\n", mp[i].first, mp[i].second); } return 0; }
4
#include <bits/stdc++.h> using namespace std; int i, j, k, n, m, l, r, ql, qr; int w[100010], an; int main() { scanf("%d%d%d%d%d", &n, &l, &r, &ql, &qr); for (i = 1; i <= n; i++) scanf("%d", &w[i]), w[i] += w[i - 1]; an = 2147483647; for (i = 0; i <= n / 2; i++) { int A = w[i] * l + (w[n] - w[n - i]) * r; an = min(an, A + (w[n - i] - w[i]) * l + max(0, n - i - i - 1) * ql); an = min(an, A + (w[n - i] - w[i]) * r + max(0, n - i - i - 1) * qr); } printf("%d\n", an); return 0; }
1
#include<bits/stdc++.h> using namespace std; int main(){ long long i,j,k,n,c=0; cin>>n; long long a[n]; for(i=0;i<n;i++){ cin>>a[i]; } for(i=1;i<n;i++){ if(a[i]<a[i-1]){ c += a[i-1]-a[i]; a[i] = a[i-1]; } } cout<<c; }
0
#include <bits/stdc++.h> #define range(i, a, b) for(int i = (a); i < (b); i++) #define rep(i, a) range(i, 0, a) using namespace std; int n, a, b, c, x, y[110]; int main() { while (cin >> n >> a >> b >> c >> x, n) { rep (i, n) cin >> y[i]; int cnt = 0, index = 0; while (cnt < 10001) { if (x == y[index]) index++; if (index == n) { cout << cnt << endl; goto end; } x = (a * x + b) % c; cnt ++; } cout << -1 << endl; end:; } return 0; }
0
#include<bits/stdc++.h> #include<vector> #include<deque> #include<list> #define rep(i,n) for(ll i=0;i<n;++i) #define rrep(i,n) for(int i=n-1;i>=0;--i) #define yesno(flg) if(flg){cout<<"YES"<<endl;}else{cout<<"NO"<<endl;} #define MAX_N 1002 #define i197 1000000007 using namespace std; typedef long long ll; typedef pair<ll,ll> P1; typedef pair<int,int> Pi; typedef pair<double,Pi> Pdi; typedef pair<ll,int>Pli; typedef pair<P1,ll> P2; const ll INF=100000000000000001; struct edge{int to,cost;}; struct pos{ int x,y,cost; double ma=0; }; int dy[]={0, 0, 1, -1}; int dx[]={1, -1, 0, 0}; struct Road{double cost;int a,b;}; int main() { int f; cin>>f; cout<<(f-30)/2<<endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; int N,K; int dx[2] = {1,-1}; const int INF = 2000000000; int main(){ cin >> N >> K; int x[N]; int d[N]; for(int i=0;i<N;i++){ cin >> x[i]; d[i] = abs(x[i]); } int ans=INF; for(int i=0;i<N-K+1;i++){ int mid = abs(x[i] - x[i+K-1]); ans = min(min(d[i],d[i+K-1]) + mid, ans); } cout << ans << endl; return 0; }
0
#include <bits/stdc++.h> int main() { int i, j, k, n, a, b, u; scanf("%d", &n); scanf("%d", &u); u = 7 - u; k = 1; scanf("%d%d", &a, &b); for (i = 1; i < n; i++) { scanf("%d%d", &a, &b); if (u == a || u == b) k = 0; a = 7 - a; b = 7 - b; if (u == a || u == b) k = 0; u = 7 - u; } if (k) printf("YES\n"); else printf("NO\n"); return 0; }
1
#include <bits/stdc++.h> #pragma GCC optimize("O2") #pragma GCC target("sse3", "sse2", "sse") #pragma GCC target("avx", "sse4", "sse4.1", "sse4.2", "ssse3") #pragma GCC target("f16c") #pragma GCC optimize("inline", "fast-math", "unroll-loops", \ "no-stack-protector") #pragma GCC optimize("Ofast,no-stack-protector") using namespace std; const int MAXN = (int)5e5 + 5; const int INF = 0x3f3f3f3f; const double EPS = 1e-8; const int MAXS = 32 * 1024 * 1024; char buf[MAXS], *ch; void read(int &x) { while (*ch <= 32) ++ch; for (x = 0; *ch >= '0'; ++ch) x = x * 10 + *ch - '0'; } void std_init() { ch = buf - 1; fread(buf, 1, MAXS, stdin); } int a[MAXN], cnt[1 << 12][105], _cnt[1 << 12], add[2][12], k[MAXN]; vector<int> num[12]; int lz[1 << 12]; int main() { std::ios::sync_with_stdio(false); std::cin.tie(0); int n, m, q, w[33], x; string s; cin >> n >> m >> q; for (unsigned int i = 0; i < n; i++) { cin >> w[i]; } for (unsigned int i = 0; i < m; i++) { cin >> s; for (int j = 0; j < s.size(); ++j) { a[i] <<= 1; a[i] |= s[j] - '0'; } ++_cnt[a[i]]; } for (unsigned int i = 0; i < 1 << n; i++) { for (unsigned int j = 0; j < n; j++) { if (!(i >> j & 1)) { lz[i] += w[n - j - 1]; } } } for (unsigned int i = 0; i < 1 << n; i++) { for (unsigned int j = 0; j < 1 << n; j++) { if (lz[i ^ j] <= 100) cnt[i][lz[i ^ j]] += _cnt[j]; } } for (unsigned int i = 0; i < 1 << n; i++) { for (unsigned int j = 1; j < 101; j++) { cnt[i][j] += cnt[i][j - 1]; } } for (unsigned int i = 0; i < q; i++) { cin >> s >> x; int aa = 0; for (int j = 0; j < s.size(); ++j) { aa <<= 1; aa |= s[j] - '0'; } cout << cnt[aa][x] << endl; } return 0; }
4
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define pb(x) push_back(x) #define mp(a, b) make_pair(a, b) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define lscan(x) scanf("%I64d", &x) #define lprint(x) printf("%I64d", x) #define rep(i, n) for (ll i = 0; i < (n); i++) #define rep2(i, n) for (ll i = (ll)n - 1; i >= 0; i--) #define REP(i, l, r) for (ll i = l; i < (r); i++) #define REP2(i, l, r) for (ll i = (ll)r - 1; i >= (l); i--) #define siz(x) (ll)x.size() template <class T> using rque = priority_queue<T, vector<T>, greater<T>>; const ll mod = (int)1e9 + 7; template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } template <class T> bool chmax(T &a, const T &b) { if (b > a) { a = b; return 1; } return 0; } ll gcd(ll a, ll b) { if(a == 0) return b; if(b == 0) return a; ll c = a % b; while (c != 0) { a = b; b = c; c = a % b; } return b; } long long extGCD(long long a, long long b, long long &x, long long &y) { if (b == 0) { x = 1; y = 0; return a; } long long d = extGCD(b, a % b, y, x); y -= a / b * x; return d; } struct UnionFind { vector<ll> data; int num; UnionFind(int sz) { data.assign(sz, -1); num = sz; } bool unite(int x, int y) { x = find(x), y = find(y); if (x == y) return (false); if (data[x] > data[y]) swap(x, y); data[x] += data[y]; data[y] = x; num--; return (true); } int find(int k) { if (data[k] < 0) return (k); return (data[k] = find(data[k])); } ll size(int k) { return (-data[find(k)]); } }; ll M = 1000000007; template <int mod> struct ModInt { int x; ModInt() : x(0) {} ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} ModInt &operator+=(const ModInt &p) { if ((x += p.x) >= mod) x -= mod; return *this; } ModInt &operator-=(const ModInt &p) { if ((x += mod - p.x) >= mod) x -= mod; return *this; } ModInt &operator*=(const ModInt &p) { x = (int)(1LL * x * p.x % mod); return *this; } ModInt &operator/=(const ModInt &p) { *this *= p.inverse(); return *this; } ModInt operator-() const { return ModInt(-x); } ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; } ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; } ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; } ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; } bool operator==(const ModInt &p) const { return x == p.x; } bool operator!=(const ModInt &p) const { return x != p.x; } ModInt inverse() const { int a = x, b = mod, u = 1, v = 0, t; while (b > 0) { t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); } return ModInt(u); } ModInt pow(int64_t n) const { ModInt ret(1), mul(x); while (n > 0) { if (n & 1) ret *= mul; mul *= mul; n >>= 1; } return ret; } friend ostream &operator<<(ostream &os, const ModInt &p) { return os << p.x; } friend istream &operator>>(istream &is, ModInt &a) { int64_t t; is >> t; a = ModInt<mod>(t); return (is); } static int get_mod() { return mod; } }; using mint = ModInt<mod>; mint mpow(mint x, ll n) { mint ans = 1; while (n != 0) { if (n & 1) ans *= x; x *= x; n = n >> 1; } return ans; } ll mpow2(ll x, ll n, ll mod) { ll ans = 1; while (n != 0) { if (n & 1) ans = ans * x % mod; x = x * x % mod; n = n >> 1; } return ans; } vector<mint> fac; vector<mint> ifac; void setcomb(int sz = 2000010) { fac.assign(sz + 1, 0); ifac.assign(sz + 1, 0); fac[0] = 1; for (ll i = 0; i < sz; i++) { fac[i + 1] = fac[i] * (i + 1); // n!(mod M) } ifac[sz] = fac[sz].inverse(); for (ll i = sz; i > 0; i--) { ifac[i - 1] = ifac[i] * i; } } mint comb(ll a, ll b) { if(fac.size() == 0) setcomb(); if (a == 0 && b == 0) return 1; if (a < b || a < 0 || b < 0) return 0; return ifac[a - b] * ifac[b] * fac[a]; } mint perm(ll a, ll b) { if(fac.size() == 0) setcomb(); if (a == 0 && b == 0) return 1; if (a < b || a < 0) return 0; return fac[a] * ifac[a - b]; } long long modinv(long long a) { long long b = M, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= M; if (u < 0) u += M; return u; } ll modinv2(ll a, ll mod) { ll b = mod, u = 1, v = 0; while (b) { ll t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= mod; if (u < 0) u += mod; return u; } int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); ll n, k; cin >> n >> k; if(n%2 && !(k%2)){ cout << -1 << endl; return 0; } ll t[n], sum = n; rep(i, n) t[i] = 1; ll idx = 0, ma = 1; while(sum % k != 0 || ma > sum / k){ t[idx] += 2; chmax(ma, t[idx]); sum += 2; idx++; idx %= n; } priority_queue<pair<ll, ll>> que; rep(i, n) que.push({t[i], i}); ll ans = 0; queue<pair<ll, ll>> que2; rep(i,sum/k){ cout << "?"; rep(j,k){ auto q = que.top(); que.pop(); ll now = q.second, nt = q.first; que2.push({nt - 1, now}); cout << " " << now + 1; } cout << endl; ll res; cin >> res; ans ^= res; rep(j,k){ que.push(que2.front()); que2.pop(); } } cout << "! " << ans << endl; }
5
#include <bits/stdc++.h> using namespace std; mt19937_64 mt(time(0)); const int MAXN = 5e5 + 10; struct Item { bool head; int len = 0; int8_t type[2] = {}; int in = 0; int cnt[2] = {}; Item() = default; Item(int h) { head = h; len = 1; type[1 - h] = 1; cnt[1 - h] = 1; } }; string s; Item tree[MAXN << 2][2]; int idx[MAXN << 2], info[MAXN << 2]; Item merge(const Item& x, const Item& y) { if (x.len == 0) return y; if (y.len == 0) return x; Item ret; ret.head = x.head; ret.len = x.len + y.len; if ((x.head + x.len - 1) % 2 == y.head) ret.len--; ret.in = max(x.in, y.in); if (x.type[0] == 0 && x.type[1] == 1) { if (y.type[0] == 0 && y.type[1] == 1) { ret.type[1] = 1; ret.cnt[1] = x.cnt[1] + y.cnt[1]; } else if (y.type[1] == 0) { ret.type[0] = 2; ret.cnt[0] = x.cnt[1] + y.cnt[0]; } else { ret.type[0] = 2; ret.type[1] = y.type[1]; ret.cnt[0] = x.cnt[1] + y.cnt[0]; ret.cnt[1] = y.cnt[1]; } return ret; } if (x.type[0] == 1 && x.type[1] == 0) { if (y.type[0] == 0 || y.type[0] == 1) { ret.type[0] = 1; ret.type[1] = y.type[1]; ret.cnt[0] = x.cnt[0] + y.cnt[0]; ret.cnt[1] = y.cnt[1]; } else if (y.type[1] == 0) { ret.type[0] = 1; ret.type[1] = 2; ret.cnt[0] = x.cnt[0]; ret.cnt[1] = y.cnt[0]; } else { ret.type[0] = 1; ret.type[1] = y.type[1]; ret.in = max(ret.in, y.cnt[0]); ret.cnt[0] = x.cnt[0]; ret.cnt[1] = y.cnt[1]; } return ret; } if (x.type[0] == 2 && x.type[1] == 0 && y.type[0] == 2 && y.type[1] == 0) { ret.type[0] = 2; ret.type[1] = 2; ret.cnt[0] = x.cnt[0]; ret.cnt[1] = y.cnt[0]; return ret; } if (x.type[0] == 2 && x.type[1] == 0 && y.type[0] == 1) { ret.type[0] = 2; ret.type[1] = y.type[1]; ret.cnt[0] = x.cnt[0] + y.cnt[0]; ret.cnt[1] = y.cnt[1]; return ret; } if (y.type[0] == 0 && x.type[1] == 1) { ret.type[0] = x.type[0]; ret.type[1] = 1; ret.cnt[0] = x.cnt[0]; ret.cnt[1] = x.cnt[1] + y.cnt[1]; return ret; } if (y.type[0] == 1 && y.type[1] == 0) { ret.type[0] = x.type[0]; ret.type[1] = 2; ret.cnt[0] = x.cnt[0]; ret.cnt[1] = x.cnt[1] + y.cnt[0]; return ret; } if (y.type[0] == 2 && y.type[1] == 0) { if (x.type[1] == 1) { ret.type[0] = x.type[0]; ret.type[1] = 2; ret.cnt[0] = x.cnt[0]; ret.cnt[1] = x.cnt[1] + y.cnt[0]; } else { ret.type[0] = x.type[0]; ret.type[1] = 2; ret.in = max(ret.in, x.cnt[1]); ret.cnt[0] = x.cnt[0]; ret.cnt[1] = y.cnt[0]; } return ret; } ret.type[0] = x.type[0]; ret.type[1] = y.type[1]; ret.cnt[0] = x.cnt[0]; ret.cnt[1] = y.cnt[1]; if (x.type[1] == 2 && y.type[0] == 2) { ret.in = max(ret.in, x.cnt[1]); ret.in = max(ret.in, y.cnt[0]); } else ret.in = max(ret.in, x.cnt[1] + y.cnt[0]); return ret; } void build(int node, int left, int right) { if (left == right) { if (s[left - 1] == '>') { tree[node][0] = Item(0); tree[node][1] = Item(1); } else { tree[node][0] = Item(1); tree[node][1] = Item(0); } return; } int mid = ((left + right) >> 1); build((node << 1), left, mid); build(((node << 1) | 1), mid + 1, right); tree[node][0] = merge(tree[(node << 1)][0], tree[((node << 1) | 1)][0]); tree[node][1] = merge(tree[(node << 1)][1], tree[((node << 1) | 1)][1]); } void push_down(int node, int left, int right) { if (left == right || info[node] == 0) return; idx[(node << 1)] ^= 1; idx[((node << 1) | 1)] ^= 1; info[(node << 1)] ^= 1; info[((node << 1) | 1)] ^= 1; info[node] = 0; } void update(int node, int left, int right, int i, int j) { if (right < i || j < left) return; if (i <= left && right <= j) { info[node] ^= 1; idx[node] ^= 1; return; } push_down(node, left, right); int mid = ((left + right) >> 1); update((node << 1), left, mid, i, j); update(((node << 1) | 1), mid + 1, right, i, j); tree[node][idx[node]] = merge(tree[(node << 1)][idx[(node << 1)]], tree[((node << 1) | 1)][idx[((node << 1) | 1)]]); tree[node][idx[node] ^ 1] = merge(tree[(node << 1)][idx[(node << 1)] ^ 1], tree[((node << 1) | 1)][idx[((node << 1) | 1)] ^ 1]); } Item query(int node, int left, int right, int i, int j) { if (right < i || j < left) return Item(); if (i <= left && right <= j) { return tree[node][idx[node]]; } push_down(node, left, right); int mid = ((left + right) >> 1); Item a = query((node << 1), left, mid, i, j); Item b = query(((node << 1) | 1), mid + 1, right, i, j); return merge(a, b); } void dfs() { if (s.size() > 5) return; if (!s.empty()) { build(1, 1, s.size()); auto item = query(1, 1, s.size(), 1, s.size()); cout << s << endl; cout << "head: " << item.head << ' ' << "len: " << item.len << ' ' << "in: " << item.in << endl; cout << "type: " << (int)item.type[0] << ' ' << (int)item.type[1] << endl; cout << "cnt: " << item.cnt[0] << ' ' << item.cnt[1] << endl; } s.push_back('>'); dfs(); s.pop_back(); s.push_back('<'); dfs(); s.pop_back(); } int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cout.precision(10); cout << fixed; int n, q; cin >> n >> q; cin >> s; build(1, 1, n); while (q--) { int a, b; cin >> a >> b; update(1, 1, n, a, b); Item tmp = query(1, 1, n, a, b); int ret = max(tmp.cnt[0], tmp.cnt[1]); ret = max(ret, tmp.in); cout << ret << '\n'; } return 0; }
6
#include <bits/stdc++.h> using namespace std; #define modulo 998244353 #define mod(mod_x) ((((long long)mod_x+modulo))%modulo) #define Inf 1000000000 int main(){ int H,W; cin>>H>>W; vector<string> grid(H); for(int i=0;i<H;i++)cin>>grid[i]; vector<string> R(H,string(W,'.')),B(H,string(W,'.')); for(int i=0;i<H;i++){ for(int j=0;j<W;j++){ if(j==0||j==W-1){ if(j==0)R[i][j]='#'; if(j==W-1)B[i][j]='#'; } else{ if(i%2==0||grid[i][j]=='#')R[i][j]='#'; if(i%2==1||grid[i][j]=='#') B[i][j]='#'; } } } for(int i=0;i<H;i++){ cout<<R[i]<<endl; } cout<<endl; for(int i=0;i<H;i++){ cout<<B[i]<<endl; } return 0; }
0
#include <map> #include <iostream> #include <string> using namespace std; int main() { map<char, char> mp; char a,b,c; string x; int n; cin >> n; do{ mp.clear(); x.clear(); do{ cin >> a >> b; mp[a] = b; } while (--n); cin >> n; do{ cin >> c; if (mp[c] != NULL) { x += mp[c]; } else { x += c; } } while (--n); cout << x << endl; } while (cin >> n, n != 0); return 0; }
0
#include<cstdio> #include<algorithm> using namespace std; const int N=2005; int n,m,Q,i,j,a[N][N],f1[N][N],f2[N][N]; char s[N][N]; int read(){ char c=getchar();int k=0;for (;c<48||c>57;c=getchar()); for (;c>47&&c<58;c=getchar()) k=(k<<3)+(k<<1)+c-48;return k; } void write(int x){if (x>9) write(x/10);putchar(x%10+48);} int ask(int a[N][N],int xa,int ya,int xb,int yb){ return a[xb][yb]-a[xa-1][yb]-a[xb][ya-1]+a[xa-1][ya-1]; } int main(){ n=read();m=read();Q=read(); for (i=1;i<=n;i++) scanf("%s",s[i]+1); for (i=1;i<=n;i++) for (j=1;j<=m;j++) a[i][j]=a[i][j-1]+a[i-1][j]-a[i-1][j-1]+(s[i][j]-=48); for (i=1;i<n;i++) for (j=1;j<=m;j++) f1[i][j]=f1[i][j-1]+f1[i-1][j]- f1[i-1][j-1]+(s[i][j]&&s[i+1][j]); for (i=1;i<=n;i++) for (j=1;j<m;j++) f2[i][j]=f2[i][j-1]+f2[i-1][j]- f2[i-1][j-1]+(s[i][j]&&s[i][j+1]); for (;Q--;){ int xa=read(),ya=read(),xb=read(),yb=read(); int ans=ask(a,xa,ya,xb,yb)- ask(f1,xa,ya,xb-1,yb)-ask(f2,xa,ya,xb,yb-1); write(ans);putchar('\n'); } }
0
#include <bits/stdc++.h> #pragma GCC optimize("O3") using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; if (n == 1) { cin >> n; cout << (n ? "YES" : "NO"); } else { bool zero = 0; for (int i = 0; i < n; ++i) { int a; cin >> a; if (!a && !zero) zero = 1; else if (!a && zero) { cout << "NO"; return 0; } } cout << (zero ? "YES" : "NO"); } return 0; }
1
#include <bits/stdc++.h> using namespace std; int main(){ int n,m,k,ans=0; cin>>n>>m; for(int i=0;i<n;i++){ cin>>k;ans+=(k>=m); } cout<<ans; return 0; }
0
#include <bits/stdc++.h> using namespace std; const unsigned long long B = 100000007; const double pi = acos(-1.0); deque<int> dq1, dq2, dq3; int main() { int k, n1, n2, n3, t1, t2, t3; cin >> k >> n1 >> n2 >> n3 >> t1 >> t2 >> t3; int cur_t = 0; while (k--) { if (dq1.size() < n1 && dq2.size() < n2 && dq3.size() < n3) { dq1.push_back(cur_t); dq2.push_back(cur_t + t1); dq3.push_back(cur_t + t1 + t2); } else { int d1 = 0, d2 = 0, d3 = 0; int maxd = 0; if (dq1.size() >= n1) { d1 = dq1.front() + t1; } if (dq2.size() >= n2) { d2 = dq2.front() + t2; } if (dq3.size() >= n3) { d3 = dq3.front() + t3; } maxd = max(d1, d2 - t1); maxd = max(maxd, d3 - t1 - t2); cur_t = maxd; dq1.push_back(cur_t); dq2.push_back(cur_t + t1); dq3.push_back(cur_t + t1 + t2); while (dq1.front() + t1 <= cur_t) dq1.pop_front(); while (dq2.front() + t2 <= cur_t + t1) dq2.pop_front(); while (dq3.front() + t3 <= cur_t + t1 + t2) dq3.pop_front(); } } cout << cur_t + t1 + t2 + t3 << endl; return 0; }
4
#include <bits/stdc++.h> using namespace std; long long n, p[200005], anw = 0, mul = 1, hd[200005]; const long long mod = 998244353; long long pw(long long a, long long b) { long long ret = 1; while (b) { if (b & 1) ret = ret * a, ret = ret % mod; b >>= 1, a = a * a, a = a % mod; } ret = ret % mod; return ret; } int main() { ios::sync_with_stdio(false); cin.tie(NULL); cin >> n; hd[0] = 1; for (int i = 1; i <= n; i++) cin >> p[i], hd[i] = (hd[i - 1] * 100) % mod; anw = hd[n]; for (int i = 1; i < n; i++) mul *= p[i], mul %= mod, anw += (mul * hd[n - i]) % mod, anw %= mod; mul = mul * p[n], mul %= mod; anw *= pw(mul, mod - 2), anw = anw % mod; cout << anw; return 0; }
3
#include <bits/stdc++.h> using namespace std; map<int, int> m; int a[2000003], b[2000003]; int main() { long long n, i, j; cin >> n; for (i = 0; i < n; i++) { cin >> a[i]; m[a[i]] = 1; } for (i = 0; i < n; i++) { cin >> b[i]; m[b[i]] = 1; } int cnt = 0; for (i = 0; i < n; i++) for (j = 0; j < n; j++) if (m.find(a[i] ^ b[j]) != m.end()) cnt++; if (cnt % 2 == 1) cout << "Koyomi"; else cout << "Karen"; return 0; }
1
#include <bits/stdc++.h> using namespace std; const int maxn = 1e6 + 9; const int maxm = 2e5 + 9; const long long inf = 1e18; const int mod = 1e6; int n, m; int id[maxn]; namespace IO { inline int read() { int a = 1, b = 0; char c = getchar(); while (c > '9' || c < '0') { if (c == '-') a = -1; c = getchar(); } while (c >= '0' && c <= '9') { b = (b << 3) + (b << 1) + c - '0'; c = getchar(); } return a * b; } void print(long long x) { if (x < 0) putchar('-'), x = -x; if (x > 9) print(x / 10); putchar(x % 10 + '0'); } } // namespace IO using namespace IO; void One() { cout << "First" << endl; for (register int i = 1; i <= 2 * n; ++i) cout << i % n + 1 << ' '; } vector<int> G[maxn]; bool vis[maxn], col[maxn]; int sum = 0; void dfs(int now, int Col) { vis[now] = 1; col[now] = Col; if (Col == 1) sum = (sum + now) % m; int sze = G[now].size(); for (register int i = 0; i <= sze - 1; ++i) { int to = G[now][i]; if (!vis[to]) dfs(to, Col ^ 1); } } void Two() { int A; m = n << 1; cout << "Second" << endl; for (register int i = 1; i <= m; ++i) { A = read(); if (!id[A]) id[A] = i; else G[i].push_back(id[A]), G[id[A]].push_back(i); } for (register int i = 1; i <= n; ++i) G[i].push_back(i + n), G[i + n].push_back(i); for (register int i = 1; i <= m; ++i) if (!vis[i]) dfs(i, 1); if (sum) for (register int i = 1; i <= m; ++i) col[i] ^= 1; for (register int i = 1; i <= m; ++i) { if (col[i]) cout << i << ' '; } } int main() { int A, B; n = read(); if (n % 2 == 0) One(); else Two(); return 0; }
4
#include <bits/stdc++.h> void swap(int *x, int *y); int main() { int a[100], b[100], i, j, n, k, max_sum, s, l, r, bools_max_ind, max_ind; scanf("%d", &n); for (i = 0; i < 100; ++i) a[i] = b[i] = 0; max_ind = -1; bools_max_ind = 0; for (i = 0; i < n; ++i) { scanf("%d %d", a + i, b + i); if (*(a + i) == 0) { max_ind = i; bools_max_ind = 1; } } for (i = 0; i < n - 1; ++i) for (j = 0; j < n - 1; ++j) if (a[j] > a[j + 1]) { swap(a + j, a + j + 1); swap(b + j, b + j + 1); } max_sum = (bools_max_ind == 1) ? b[max_ind] : 0; k = 0; while (0 > a[k]) ++k; if (bools_max_ind == 1) { l = max_ind - 1; r = max_ind + 1; } else { r = k; l = --k; } s = (n - 1 - r > l) ? 1 : 0; while (1) { if (s == 1 && r >= n || s == 0 && l < 0) break; max_sum += (s == 1) ? b[r] : b[l]; (s == 1) ? ++r : --l; s = 1 - s; } printf("%d", max_sum); return 0; } void swap(int *x, int *y) { int z; z = *x; *x = *y; *y = z; }
1
#include <bits/stdc++.h> using namespace std; const int N = 5050; long long f[20]; int ans[20] = {0, 1, 0, 18, 0, 1800, 0, 670320, 0, 734832000, 0, 890786230, 0, 695720788, 0, 150347555, 0}; const long long mod = 1000000007; int n, m, num; void dfs(int pos, int B, int C) { if (pos > m) { num++; if (num >= mod) num -= mod; return; } for (int i = 1; i <= m; i++) { if (!((1 << i) & B)) { int j = (i - 1 + pos - 1) % m + 1; if (!((1 << j) & C)) dfs(pos + 1, B ^ (1 << i), C ^ (1 << j)); } } } void init() { f[0] = 1; for (int i = 1; i <= 16; i++) f[i] = f[i - 1] * i % mod; for (int i = 1; i <= 16; i++) { m = i; num = 0; dfs(1, 0, 0); printf("%d,", f[i] * (long long)num % mod); } } int main() { int n; scanf("%d", &n); printf("%d\n", ans[n]); return 0; }
4
#include <bits/stdc++.h> using namespace std; const double PI = 3.141592653589793238; template <typename T> std::ostream& operator<<(std::ostream& os, const std::vector<T>& vector) { for (size_t i = 0; i < vector.size(); ++i) { os << vector[i] << " "; } return os; } template <typename T> std::ostream& operator<<(std::ostream& os, const set<T>& st) { for (typename set<T>::iterator it = st.begin(); it != st.end(); ++it) { os << (*it) << " "; } return os; } int GetNumBinaryDigits(int x) { if (x == 0) { return 1; } int res = 0; while (x > 0) { x >>= 1; ++res; } return res; } int GetBeauty(int x) { if (x == 0) { return -1; } int otv = 0; while ((x & 1) == 0) { ++otv; x >>= 1; } return otv; } bool IsContain(int x, int k) { return GetNumBinaryDigits(x) >= k + 1; } int n; int main() { std::ios_base::sync_with_stdio(false); cin >> n; vector<int> v(n); for (int i = 0; i < (int)(n); ++i) { cin >> v[i]; } int k_res = -1; int size_res = -1; for (int k = 29; k >= 0; --k) { int res = (1 << 30) - 1; int size = 0; for (int i = 0; i < (int)(n); ++i) { if (v[i] & (1 << k)) { res = (res & v[i]); ++size; } } if (res % (1 << k) == 0) { k_res = k; size_res = size; break; } } cout << size_res << "\n"; for (int i = 0; i < (int)(n); ++i) { if (v[i] & (1 << k_res)) { cout << v[i] << " "; } } cout << "\n"; return 0; }
3
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,a) for(int i=0;i<(a);i++) const ll MOD=1000000007; int main(){ int N; cin>>N; int sum=0; set<int> s; rep(i,N){ int a; cin>>a; sum^=a; // a^(a-1)=111・・・111 s.insert(__builtin_popcount(a^(a-1))); } int cnt=0; while(sum){ // __builtin_clz:2進で表した場合いくつ0を埋めるか int x=32-__builtin_clz(sum); if(!s.count(x)){ cout<<-1<<endl; return 0; } cnt++; sum^=(1LL<<x)-1; } cout<<cnt<<endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; int main() { int n, a; set<int> s; cin >> n; for (int i = 0; i < n; ++i) { cin >> a; if (a != 0) s.insert(a); } cout << s.size() << endl; return 0; }
1
#include <bits/stdc++.h> using namespace std; const int INF = 2e9; const int maxn = 112345; pair<int, int> arr[maxn]; int n; int preMin[maxn], preMax[maxn], sufMin[maxn], sufMax[maxn]; int passed(double mid) { int j = 1; for (int i = 1; i <= n; i++) { while (j <= n && 1.0 * (arr[j].first - arr[i].first) <= 2.0 * mid) j++; if (i == 1 && j == n + 1) return 1; int maxx = -INF, minn = INF; if (i > 1) { maxx = max(maxx, preMax[i - 1]); minn = min(minn, preMin[i - 1]); } if (j <= n) { maxx = max(maxx, sufMax[j]); minn = min(minn, sufMin[j]); } if (1.0 * (maxx - minn) <= 2.0 * mid) return 1; } return 0; } int main() { scanf("%d", &n); int i, x, y; for (int i = 1; i <= n; i++) { scanf("%d%d", &x, &y); arr[i] = make_pair(x - y, x + y); } sort(arr + 1, arr + n + 1); preMin[1] = arr[1].second; preMax[1] = arr[1].second; for (int i = 2; i <= n; i++) { preMin[i] = min(preMin[i - 1], arr[i].second); preMax[i] = max(preMax[i - 1], arr[i].second); } sufMin[n] = arr[n].second; sufMax[n] = arr[n].second; for (int i = n - 1; i >= 1; i--) { sufMin[i] = min(sufMin[i + 1], arr[i].second); sufMax[i] = max(sufMax[i + 1], arr[i].second); } double low = 0.0; double high = INF; int cnt = 100; while (cnt--) { double mid = (low + high) / 2.0; if (passed(mid)) high = mid; else low = mid; } printf("%.15f\n", high); return 0; }
4
#include <bits/stdc++.h> using namespace std; long long read() { long long a = 0, b = getchar(), c = 1; while (!isdigit(b)) c = b == '-' ? -1 : 1, b = getchar(); while (isdigit(b)) a = a * 10 + b - '0', b = getchar(); return a * c; } vector<int> g[500]; int n, m, k, ans, l, r, e[10000]; bool b[10000]; void dfs(int x) { b[x] = true; for (int i = 0; i < g[x].size(); i++) { if (l <= g[x][i] and r >= g[x][i]) continue; int y = e[g[x][i]] ^ x; if (!b[y]) dfs(y); } } int main() { n = read(), m = read(); for (int i = 0; i < m; i++) { int x = read() - 1, y = read() - 1; g[x].push_back(i); g[y].push_back(i); e[i] = x ^ y; } k = read(); for (int i = 0; i < k; i++) { l = read() - 1, r = read() - 1, ans = 0; memset(b, 0, sizeof(b)); for (int j = 0; j < n; j++) if (!b[j]) ans++, dfs(j); printf("%d\n", ans); } return 0; }
4
#include <bits/stdc++.h> long long list[100]; long long del[100]; char s[5][10] = {"Sheldon", "Leonard", "Penny", "Rajesh", "Howard"}; int main() { long long now = 5; int ptr = 1; list[0] = 1; while (now <= 1000000000) { list[ptr] = list[ptr - 1] + now; ++ptr; now *= 2; } long long n; scanf("%I64d", &n); int i; for (i = 0; n >= list[i]; ++i) ; --i; n -= list[i]; ++n; int tmp = n / (1 << i); if (n % (1 << i)) ++tmp; --tmp; printf("%s\n", s[tmp]); return 0; }
1
#include <bits/stdc++.h> using namespace std; const int N = 15; int n, m, p[N]; struct po { int x, y; } a[N], b[N]; bool g[N * N][N * N]; double mult(po a, po b, po c) { return (a.x - c.x) * (b.y - c.y) - (b.x - c.x) * (a.y - c.y); } bool inters(po aa, po bb, po cc, po dd) { if (max(aa.x, bb.x) < min(cc.x, dd.x)) return false; if (max(cc.x, dd.x) < min(aa.x, bb.x)) return false; if (max(aa.y, bb.y) < min(cc.y, dd.y)) return false; if (max(cc.y, dd.y) < min(aa.y, bb.y)) return false; if (mult(cc, bb, aa) * mult(dd, bb, aa) <= 0 && mult(aa, dd, cc) * mult(bb, dd, cc) <= 0) return true; return false; } int main() { scanf("%d%d", &n, &m); if (n != m) { puts("No"); return 0; } for (int i = 1; i <= n; ++i) scanf("%d%d", &a[i].x, &a[i].y); for (int i = 1; i <= m; ++i) scanf("%d%d", &b[i].x, &b[i].y); for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { for (int k = 1; k <= n; ++k) if (i != k) { for (int l = 1; l <= n; ++l) if (j != l) { if (inters(a[i], b[j], a[k], b[l])) g[i * (n + 1) + j][k * (n + 1) + l] = 1; } } } } for (int i = 1; i <= n; ++i) p[i] = i; bool ok; for (;;) { ok = 1; for (int i = 1, j; i <= n && ok; ++i) { j = p[i]; for (int k = 1, l; k <= n && ok; ++k) if (k != i) { l = p[k]; if (g[i * (n + 1) + j][k * (n + 1) + l]) ok = 0; } } if (ok) { puts("Yes"); return 0; } if (!next_permutation(p + 1, p + 1 + n)) break; } puts("No"); return 0; }
5
#include <bits/stdc++.h> using namespace std; string ITS(long long x) { string s = ""; while (x > 0) { s += (char)(x % 10 + '0'); x /= 10; } string t = ""; for (int i = s.size() - 1; i > -1; i--) t += s[i]; return t; } long long inf = 1e18; long long mod = 1e9 + 7; const long long M = 2e5; long long p[M]; int main() { std::ios::sync_with_stdio(false); long long n, m; cin >> n >> m; for (long long i = 0; i < n; i++) { cin >> p[i]; } sort(p, p + n); long long r = 0, j = 0; string s = ""; for (long long i = 1; 1; i++) { if (i > m) { cout << r << '\n' << s; return 0; } if (p[j] == i) { j++; } else { s += ITS(i) + ' '; m -= i; r++; } } }
3
#include <bits/stdc++.h> using namespace std; const long long inf = 0x3f3f3f3f; const double eps = 1e-6; const long long mod = 1000000007; namespace fastio { char in[100000]; long long itr = 0, llen = 0; char get() { if (itr == llen) llen = fread(in, 1, 100000, stdin), itr = 0; if (llen == 0) return EOF; return in[itr++]; } char out[100000]; long long itr2 = 0; void put(char c) { out[itr2++] = c; if (itr2 == 100000) { fwrite(out, 1, 100000, stdout); itr2 = 0; } } long long clear() { fwrite(out, 1, itr2, stdout); itr2 = 0; return 0; } long long getint() { long long r = 0; bool ng = 0; char c; c = get(); while (c != '-' && (c < '0' || c > '9')) c = get(); if (c == '-') ng = 1, c = get(); while (c >= '0' && c <= '9') r = r * 10 + c - '0', c = get(); return ng ? -r : r; } string getstr() { string ret = ""; char ch = get(); while (ch == ' ' || ch == '\n') ch = get(); while (ch != ' ' && ch != '\n') ret.push_back(ch), ch = get(); return ret; } void putstr(string s) { for (long long i = 0; i < s.size(); i++) put(s[i]); } void putint(long long x) { if (x == 0) { put('0'); return; } char c[40]; long long pos = 0; while (x) { c[pos++] = '0' + x % 10; x /= 10; } for (long long i = pos - 1; i >= 0; i--) put(c[i]); } } // namespace fastio using namespace fastio; long long n, m; vector<pair<long long, long long> > g[1000005]; long long dfn[1000005], lowlink[1000005], cnt = 1; vector<pair<long long, long long> > ng[1000005]; long long sccval[1000005], mem[1000005], vis[1000005]; vector<long long> all; void dfs(long long x) { lowlink[x] = dfn[x] = cnt++; vis[x] = 1; all.push_back(x); for (long long i = 0; i < g[x].size(); i++) { long long to = g[x][i].first; if (!dfn[to]) dfs(to), lowlink[x] = min(lowlink[x], lowlink[to]); else if (vis[to]) lowlink[x] = min(lowlink[x], lowlink[to]); } if (dfn[x] == lowlink[x]) { while (1) { long long T = all.back(); all.pop_back(); lowlink[T] = dfn[x]; vis[T] = 0; if (T == x) break; } } } long long dfs2(long long x) { if (mem[x] != -1) return mem[x]; long long ret = sccval[x]; for (long long i = 0; i < ng[x].size(); i++) { ret = max(ret, ng[x][i].second + dfs2(ng[x][i].first) + sccval[x]); } return mem[x] = ret; } long long memory[1000005], ini1[1000005], ini[1000005]; long long Get(long long x) { if (memory[x] != 0 || x == 0) memory[x]; long long ret = 0; for (long long i = 1; i <= x; i++) { ret += i * (i + 1); memory[i] = ret; } return ret; } long long calc(long long w) { long long l = 0, r = 20000, ans = 0; while (l <= r) { long long mid = l + r >> 1; if (ini1[mid] > w) r = mid - 1; else l = mid + 1; } return 1ll * w * (r + 1) - ini[r]; } signed main() { for (long long i = 1; i <= 1000005; i++) { ini1[i] = ini1[i - 1] + i; } for (long long i = 1; i <= 1000005; i++) { ini[i] = ini[i - 1] + ini1[i]; } n = getint(); m = getint(); for (long long i = 0; i < m; i++) { long long x = getint(), y = getint(), z = getint(); g[x].push_back(make_pair(y, z)); } long long s = getint(); dfs(s); for (long long i = 1; i <= n; i++) if (!dfn[i]) dfs(i); for (long long i = 1; i <= n; i++) { for (long long j = 0; j < g[i].size(); j++) { long long to = g[i][j].first, val = g[i][j].second; if (lowlink[to] == lowlink[i]) { sccval[lowlink[to]] += calc(val); } else { ng[lowlink[i]].push_back(make_pair(lowlink[to], val)); } } } memset(mem, -1, sizeof(mem)); long long ans = dfs2(1); cout << ans << endl; return 0; }
5
#include <bits/stdc++.h> using namespace std; char pk[1000002]; int main() { while (~scanf("%s", pk)) { int slen = strlen(pk); int mnum = 0, ans = 0, pos = 0; while (pos < slen && pk[pos] == 'F') ++pos; for (int i = pos; i < slen; ++i) { if (pk[i] == 'M') ++mnum; else ans = max(ans + 1, mnum); } printf("%d\n", ans); } return 0; }
4
#include <bits/stdc++.h> using namespace std; struct rebro { int l, r; int x, y; int prop; }; rebro a[3003]; rebro b[3003]; int n, m; void mergesort(rebro *a, rebro *b, int n) { int i, i0, i1, iRight, iEnd, width, j; for (width = 1; width < n; width *= 2) for (i = 0; i < n; i += width * 2) { i0 = i; i1 = iRight = min(i + width, n); iEnd = min(i + width * 2, n); for (j = i; j < iEnd; j++) if (i0 < iRight && (i1 == iEnd || a[i0].prop > a[i1].prop)) b[j] = a[i0++]; else b[j] = a[i1++]; for (j = i; j < iEnd; j++) a[j] = b[j]; } } int pred[1003]; int size[1003]; void build() { int i; for (i = 0; i < n; i++) { pred[i] = i; size[i] = 1; } } int findset(int v) { if (pred[v] == v) return v; return pred[v] = findset(pred[v]); } struct rebro2 { int prop; int v; }; vector<rebro2> g[1003]; void uniset(rebro i) { int x = findset(i.x); int y = findset(i.y); rebro2 k; if (x != y) { k.v = i.y; k.prop = i.prop; g[i.x].push_back(k); k.v = i.x; g[i.y].push_back(k); if (size[x] > size[y]) { size[x] += size[y]; pred[y] = x; } else { size[y] += size[x]; pred[x] = y; } } } int rec; bool flag[1003]; void dfs(int x, int res) { flag[x] = true; if (x == n - 1) { rec = res; return; } for (size_t i = 0; i < g[x].size(); i++) { if (!flag[g[x][i].v]) dfs(g[x][i].v, min(res, g[x][i].prop)); } } int main() { scanf("%d %d", &n, &m); int i, j; for (i = 0; i < m; i++) { scanf("%d %d %d %d", &a[i].x, &a[i].y, &a[i].l, &a[i].r); a[i].x--; a[i].y--; } int maxi = 0; int ok; int c[3003]; for (i = 0; i < m; i++) c[i] = a[i].l; for (i = 0; i < m; i++) { ok = c[i]; for (j = 0; j < m; j++) { if (a[j].r >= ok && a[j].l <= ok) a[j].prop = a[j].r - ok + 1; else a[j].prop = 0; } for (j = 0; j < n; j++) { g[j].resize(0); flag[j] = false; } mergesort(a, b, m); build(); for (j = 0; j < m; j++) if (a[j].prop > 0) uniset(a[j]); rec = 0; dfs(0, 1000000); maxi = max(maxi, rec); } if (maxi == 0) printf("Nice work, Dima!\n"); else printf("%d\n", maxi); return 0; }
4
#include <bits/stdc++.h> using namespace std; long long f[20], jv, n; inline long long pow(long long, long long), take(long long); int main() { long long s, ans(0); int i, j, li; scanf("%lld%lld", &n, &s), li = (1 << n) - 1; for (i = 0; i < n; ++i) scanf("%lld", &f[i]); for (i = jv = 1; i < n; ++i) (jv *= i) %= 1000000007; jv = pow(jv, 1000000007 - 2); for (i = 0; i <= li; ++i) { long long lsy(n + s - 1), xs(1); for (j = n - 1; j >= 0; --j) if (i >> j & 1) lsy -= f[j] + 1, xs *= -1; (ans += xs * take(lsy)) %= 1000000007; } printf("%lld", (ans + 1000000007) % 1000000007); return 0; } inline long long take(long long x) { if (x < n - 1) return 0; long long ans(1); x %= 1000000007; for (long long i(x - n + 2); i <= x; ++i) (ans *= i) %= 1000000007; return ans * jv % 1000000007; } inline long long pow(long long x, long long y) { long long ans(1); while (y) { if (y & 1) (ans *= x) %= 1000000007; (x *= x) %= 1000000007, y >>= 1; } return ans; }
5
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const long long INFF = 0x3f3f3f3f3f3f3f3fll; const int MAX = 3e5 + 5; const int MAXN = 1000000; const int MAX_N = MAX; const long long MOD = 1e9 + 7; const long double pi = acos(-1.0); int gcd(int a, int b) { return b ? gcd(b, a % b) : a; } template <typename T> inline T abs(T a) { return a > 0 ? a : -a; } template <class T> inline void read(T& num) { bool start = false, neg = false; char c; num = 0; while ((c = getchar()) != EOF) { if (c == '-') start = neg = true; else if (c >= '0' && c <= '9') { start = true; num = num * 10 + c - '0'; } else if (start) break; } if (neg) num = -num; } inline long long powMM(long long a, long long b, long long M) { long long ret = 1; a %= M; while (b) { if (b & 1) ret = ret * a % M; b >>= 1; a = a * a % M; } return ret; } void open() { freopen("1009.in", "r", stdin); freopen("out.txt", "w", stdout); } int n, dp[2][31], tem, now, pre, an = INF; int main() { scanf("%d", &n); memset(dp, 0x3f, sizeof(dp)); now = 1; dp[pre][0] = 0; for (int i = 1; i <= n; i++) { scanf("%d", &tem); ; for (int j = 0; j <= 30; j++) { dp[now][min(30, j + tem / 1000)] = min(dp[now][min(30, j + tem / 1000)], dp[pre][j] + tem); dp[now][j - min(j, tem / 100)] = min(dp[now][j - min(j, tem / 100)], dp[pre][j] + tem - min(j, tem / 100) * 100); } swap(now, pre); memset(dp[now], 0x3f, sizeof(dp[now])); } for (int j = 0; j <= 30; j++) an = min(an, dp[pre][j]); printf("%d\n", an); }
4
#include <bits/stdc++.h> using namespace std; void FAST() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); } int Rselect(vector<int>&, int, int, int); int partition(vector<int>&, int, int); template <typename T> ostream& operator<<(ostream& stream, const vector<T>& vec) { for (auto& i : vec) { stream << i << ' '; } stream << '\n'; return stream; } template <class T> istream& operator>>(istream& stream, vector<T>& vec) { for (auto& i : vec) { stream >> i; } return stream; } void solve(); void scanN(vector<long long>& v, long long n) { for (long long i = 0; i < n; i++) { int num; cin >> num; v.push_back(num); } } void scans(vector<string>& v, long long n) { for (long long i = 0; i < n; i++) { string s; cin >> s; v.push_back(s); } } long long max(long long a, long long b) { if (a > b) return a; return b; } long long min(long long a, long long b) { if (a < b) return a; return b; } long long modfactorial(long long n, long long p) { if (n >= p) return 0; long long result = 1; for (long long i = 1; i < n + 1; i++) { result = result * i; result = result % p; } return result; } long long MI(long long a, long long b, long long s0, long long s1) { long long k = b; if (b == 0) return s0; else { return MI(b, a % b, s1, s0 - s1 * (a / b)); } } long long choose(long long a, long long b, long long c) { if (a < b) return 0; long long x = modfactorial(a, c); long long y = modfactorial(b, c); long long z = modfactorial(a - b, c); long long y_ = MI(y, c, 1, 0); if (y_ < 0) y_ = y_ + c; long long z_ = MI(z, c, 1, 0); if (z_ < 0) z_ = z_ + c; long long mul = (x * y_) % c; mul = (mul * z_) % c; return mul; } long long pow2(long long n) { if (n == 0) return 1; long long result = 1; long long i = 1; while (i <= n) { result = result * 2; i++; } return result; } long long pow1(long long n, long long p) { long long N = 1000000007; if (p == 0) return 1; long long result = 1; long long i = 1; while (i <= p) { result = result * n; result = result % N; } return result; } int main() { FAST(); int test; cin >> test; while (test--) { solve(); } return 0; } void solve() { long long n; cin >> n; vector<long long> t; scanN(t, n); long long k = 1; vector<int> occ(1024, 0); bool done1 = false; long long ans = 0; for (long long i = 0; i < n; i++) { occ[t[i]]++; } while (k < 1024) { bool done2 = true; vector<int> temp = occ; for (long long j = 0; j < n; j++) { long long num = t[j]; num = num ^ k; if (temp[num] == 0) { done2 = false; break; } else { temp[num]--; } } if (done2 == true) { done1 = true; ans = k; break; } k++; } if (done1 == true) { cout << ans << endl; } else cout << "-1" << endl; } int Rselect(vector<int>& v, int i, int l, int r) { if (l == r) return v[l]; int pivot = partition(v, l, r); if (pivot == i) return v[pivot - 1]; else if (pivot < i) { return Rselect(v, i, pivot, r); } else { return Rselect(v, i, l, pivot - 2); } } int partition(vector<int>& v, int l, int r) { int pivot_index = rand() % (r - l + 1) + l; swap(v[pivot_index], v[l]); int i = l + 1, j = l + 1; while (j <= r) { if (v[j] < v[l]) { swap(v[j], v[i]); i++; } j++; } swap(v[l], v[i - 1]); return i; }
2
#include <iostream> #include <stdio.h> #include <vector> #include <string> #include <algorithm> #include <map> using namespace std; typedef long long int ll; const ll mod = 1000000007; const ll lim = 100000 + 1; ll solve(void); int main(void) { cout << solve() << endl; return 0; } ll solve(void) { ll N, T; cin >> N >> T; vector<ll> count(lim, 0); vector<ll> v(lim,0); vector<ll> w(lim, 0); vector<ll> num; for (int i = 0; i < N; i++) { int j; cin >> j; count[j] ++; } for (int i = 0; i + 1 < lim; i++) { v[i + 1] += v[i] + count[i+1]; } for (int i = T+1; i < lim; i++) { w[i] = v[i-T-1]; } for (int i = 0; i < lim; i++) for( int j = 0; j < count[i]; j++) num.push_back(i); ll ans = 1; for (ll i = 1; i < num.size(); i++) { ll j = i + 1; ans = (ans * (j - w[num[i]])) % mod; } return ans; }
0
#include <bits/stdc++.h> int n, m, a, b, v[1111], d[1111]; int min(int a, int b) { if (a <= b) return a; else return b; } int main() { int i; while (scanf("%d%d", &n, &m) != EOF) { for (i = 1; i <= n; i++) scanf("%d", &v[i]); int ans = 0; for (i = 0; i < m; i++) { scanf("%d%d", &a, &b); ans += min(v[a], v[b]); } printf("%d\n", ans); } return 0; }
3
#include <iostream> using namespace std; int main(void){ string s; cin>>s; int w; cin>>w; for(int i=0;i<s.size();i+=w){ cout<<s[i]; } }
0
#include <bits/stdc++.h> using namespace std; const long long mod = 1e9 + 7; const long long INF = 4e18; const int inf = 2e9; const int N = 1e5 + 5; int gcd(int a, int b) { return b ? gcd(b, a % b) : a; } int lcm(int a, int b) { return a * b / gcd(a, b); } int n, k, h, m[N], v[N], ans[N], pos[N]; bool by(int lef, int rig) { if (m[lef] != m[rig]) return m[lef] < m[rig]; return v[lef] < v[rig]; } bool solve(double t) { int x = 0, i; for (i = 0; i < n; ++i) if (v[pos[i]] * t >= (double)(x + 1) * h) ans[x++] = pos[i]; return x >= k; } int main(void) { ios_base::sync_with_stdio(false); int i; scanf("%d %d %d", &n, &k, &h); for (i = 0; i < n; ++i) scanf("%d", m + i); for (i = 0; i < n; ++i) scanf("%d", v + i); for (i = 0; i < n; ++i) pos[i] = i; sort(pos, pos + n, by); double l = 0.0, r = 1.0 * k * h; for (i = 0; i < 100; ++i) { double mid = (l + r) / 2; if (solve(mid)) r = mid; else l = mid; } assert(solve(r)); for (i = 0; i < k; ++i) printf("%d ", ans[i] + 1); printf("\n"); return 0; }
2
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #pragma GCC optimize("unroll-loops") using namespace std; const int INF = int(1e9), mod = 10056, N = int(1e6) + 5; int second, b; pair<int, int> a[N]; pair<int, int> c[N]; int main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cin >> second >> b; for (int i = 0; i < second; i++) { int x; cin >> x; a[i] = make_pair(x, i); } for (int i = 0; i < b; i++) { cin >> c[i].first >> c[i].second; } sort(c, c + b); for (int i = 1; i < b; i++) { c[i].second += c[i - 1].second; } for (int i = 0; i < second; i++) { int x = a[i].first; int l = 0; int r = b - 1; while (l <= r) { int mid = (l + r) / 2; if (c[mid].first <= x) { l = mid + 1; } else { r = mid - 1; } } cout << c[r].second << " "; } }
2
#include <bits/stdc++.h> using namespace std; void test_case() { int n, m; cin >> n >> m; vector<unsigned long long> v1(n), v2(m); for (auto &x : v1) cin >> x; for (auto &x : v2) cin >> x; sort(v1.begin(), v1.end()); sort(v2.begin(), v2.end()); unsigned long long best = numeric_limits<unsigned long long>::max(); unsigned long long sum = 0, pref = 0; for (auto &x : v1) sum += x; for (unsigned long long i = 0; i < m; i++) { best = min(best, sum * (m - i) + pref); pref += v2[i]; } sum = pref; pref = 0; for (unsigned long long i = 0; i < n; i++) { best = min(best, sum * (n - i) + pref); pref += v1[i]; } cout << best << endl; } int main() { ios::sync_with_stdio(0); cin.tie(0); int t = 1; for (int i = 1; i <= t; i++) { test_case(); } return 0; }
2
#include <bits/stdc++.h> #include <iostream> #include <vector> #include <algorithm> #include <string> #define range(x) x.begin(), x.end() #define pb push_back using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef unsigned long long ull; void print(vector<int> &a) { for (int i = 0; i < a.size(); i++) { cout << a[i] << " "; } } void ans() { int n,k; cin>>n>>k; string s=""; for(int i=0;i<k;i++){ s+='a'; } int a=0; int b=1; int c=0; for(int i=0;i<(n-k);i++){ if(b==1){ s+='b'; b=0; c=1; } else if(c==1){ s+='c'; c=0; a=1; } else if(a==1){ s+='a'; a=0; b=1; } } cout << s << "\n"; } int main() { ios::sync_with_stdio(false); cin.tie(0), cout.tie(0); int t = 1; cin >> t; while (t--) { ans(); } return 0; }
1
#include <bits/stdc++.h> using namespace std; long long a[300005]; long long b[300005]; long long alla[300005]; long long allb[300005]; long long suma1[300005]; long long suma2[300005]; long long sumb1[300005]; long long sumb2[300005]; int main() { int n; cin >> n; for (int i = 1; i <= n; i++) scanf("%lld", &a[i]); for (int i = 1; i <= n; i++) scanf("%lld", &b[i]); for (int i = 1; i <= n; i++) { suma1[i] = suma1[i - 1] + a[i] * (i - 1); sumb2[i] = sumb2[i - 1] + b[i] * (i); } for (int i = n; i >= 1; i--) { alla[i] = alla[i + 1] + a[i]; allb[i] = allb[i + 1] + b[i]; if (i != 1) suma2[i] = suma2[i + 1] + a[i] * (2 * n - i + 1); else suma2[i] = suma2[i + 1]; sumb1[i] = sumb1[i + 1] + b[i] * (2 * n - i); } long long ans = max(suma1[n] + sumb1[1], suma2[1] + sumb2[n]); int k = 1; int cnt = 0; long long now = 0; for (int i = 1; i <= n; i += 2) { now += b[i] * k; k++; now += b[i + 1] * k; k++; now += a[i + 1] * k; k++; now += a[i + 2] * k; k++; cnt++; ans = max(ans, max(now + 2 * cnt * (alla[i + 3] + allb[i + 2]) + suma1[n] - suma1[i + 2 > n ? n : i + 2] + sumb1[i + 2], now + 2 * cnt * (alla[i + 3] + allb[i + 2]) + suma2[i + 3] + sumb2[n] - sumb2[i + 1 > n ? n : i + 1])); } cout << ans << endl; return 0; }
3
#include <bits/stdc++.h> using namespace std; int N, M; const int NMax = 100005; vector<pair<int, int> > G[NMax]; bool Use[NMax]; void Read() { scanf("%d%d", &N, &M); for (int i = 1; i <= M; i++) { int x, y; scanf("%d%d", &x, &y); G[x].push_back(make_pair(y, i)); G[y].push_back(make_pair(x, i)); } } int Solve(int node) { vector<int> V, A; V.clear(); A.clear(); for (int i = 0; i < G[node].size(); i++) { int neighb = G[node][i].first, edge = G[node][i].second; if (Use[edge] == 1) continue; Use[edge] = 1; A.push_back(neighb); } for (int i = 0; i < A.size(); i++) { int neighb = A[i]; int u = Solve(neighb); if (u == 0) V.push_back(neighb); else { printf("%d %d %d\n", node, neighb, u); } } if (V.size() == 0) return 0; for (int i = 0; i < V.size() - 1; i += 2) { printf("%d %d %d\n", V[i], node, V[i + 1]); } if (V.size() % 2 == 0) return 0; return V[V.size() - 1]; } int main() { Read(); if (M % 2 == 1) { printf("No solution\n"); return 0; } Solve(1); return 0; }
3
#include <bits/stdc++.h> using namespace std; int C[205][205], f[2][55][55][102]; int n, m, K, k, mx, i, j, r, prv, nxt, ans, mod = 1000000007; void add(int &x, int y) { x += y; if (x >= mod) x -= mod; } int main() { scanf("%d%d%d", &n, &m, &K); C[0][0] = 1; for (i = 0; i <= n; i++) for (j = 0; j <= i; j++) { if (C[i][j] > K) C[i][j] = K + 1; C[i + 1][j + 1] += C[i][j]; C[i + 1][j] += C[i][j]; } n >>= 1; prv = 0, nxt = 1; for (i = 1; i <= n; i++) f[prv][i][i][1] = 1; for (mx = 1; mx < m; mx++) { memset(f[nxt], 0, sizeof f[nxt]); for (i = 1; i <= n; i++) for (j = 1; j <= i; j++) for (k = 1; k <= K; k++) if (f[prv][i][j][k]) { ans = (ans + 1ll * (m - mx) * f[prv][i][j][k]) % mod; for (r = 1; r <= n - i; r++) { int tmp = k * C[r + j - 1][j - 1]; if (tmp > K) break; add(f[nxt][i + r][r][tmp], f[prv][i][j][k]); } } swap(prv, nxt); } printf("%d\n", ans); return 0; }
5
#include <bits/stdc++.h> using namespace std; template <typename T> inline bool read(T& x) { x = 0; char c = getchar(); int f = 1; while (!isdigit(c) && (c != '-') && (c != EOF)) c = getchar(); if (c == EOF) return 0; if (c == '-') f = -1, c = getchar(); while (isdigit(c)) { x = x * 10 + (c & 15); c = getchar(); } x *= f; return 1; } template <typename T, typename... Args> inline bool read(T& x, Args&... args) { bool res = 1; res &= read(x); res &= read(args...); return res; } const int M = 1000000007, INF = 0x3f3f3f3f; const long long INFLL = 0x3f3f3f3f3f3f3f3fLL; const int N = 1000009; inline long long mul(long long a, long long b, long long p) { const long long res = a * b - ((long long)((long double)a * b / p) * p); return res < 0 ? res + p : (res < p ? res : res - p); } inline long long fp(long long a, long long b, long long Mod) { long long res = (Mod != 1); for (; b; b >>= 1, a = a * a % Mod) if (b & 1) res = res * a % Mod; return res; } inline long long fpl(long long a, long long b, long long Mod) { long long res = (Mod != 1); for (; b; b >>= 1, a = mul(a, a, Mod)) if (b & 1) res = mul(res, a, Mod); return res; } template <typename T> inline T gcd(T a, T b) { while (b) { T t = b; b = a % b; a = t; } return a; } template <typename T> inline T lcm(T a, T b) { return a / gcd(a, b) * b; } template <typename T> inline T exgcd(T a, T b, T& x, T& y) { T m = 0, n = 1, t; x = 1, y = 0; while (b) { t = m, m = x - a / b * m, x = t; t = n, n = y - a / b * n, y = t; t = b, b = a % b, a = t; } return a; } inline long long Crt(long long a1, long long a2, long long mod1, long long mod2) { long long u, v; const long long g = exgcd(mod1, mod2, u, v); if ((a2 - a1) % g) return -1; const long long m12 = abs(lcm(mod1, mod2)), res = (mul(mod1, mul(u, ((a2 - a1) / g), m12), m12) + a1) % m12; return res <= 0 ? res + m12 : res; } template <unsigned T, long long P> class CbmP { long long p[T + 1], q[T + 1]; public: CbmP() { q[0] = p[0] = 1; for (long long i = 1; i <= T; ++i) p[i] = p[i - 1] * i % P; { long long a = p[T], b = P, x = 1, y = 0, m = 0, n = 1, t; while (b) { t = m, m = x - a / b * m, x = t; t = n, n = y - a / b * n, y = t; t = b, b = a % b, a = t; } q[T] = (x % P + P) % P; } for (long long i = T - 1; i; --i) q[i] = q[i + 1] * (i + 1) % P; } long long operator()(long long n, long long m) const { if (m < 0 || m > n) return 0; return p[n] * q[m] % P * q[n - m] % P; } }; CbmP<6005009, M> C; int n, q; struct dat { int k, id; bool operator<(const dat& x) const { return k < x.k; } } ask[N]; int ans[N]; int f[6000009], now = 2; long long i2, i3, n3; inline void init() { read(n, q); n3 = 3 * n + 3; f[0] = n; f[1] = (1ll * n * (n + 1) / 2) % M * 3ll % M; i2 = fp(2ll, M - 2, M); i3 = fp(3ll, M - 2, M); f[2] = f[1] * 1ll * n % M; for (int i = 3; i <= 3 * n; ++i) f[i] = (C(n3, i + 1) - C(3, i + 1) - 3ll * f[i - 1] - 1ll * f[i - 2]) % M * i3 % M, f[i] = ((long long)f[i] + M) % M; for (int i = (1), (ii) = (q); i <= (ii); ++i) { int x; read(x); printf("%d\n", f[x]); } } inline void solve() {} signed main() { init(); solve(); return 0; }
3
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); long long int n, k; cin >> n >> k; long long int rem = max(n - (2ll * k), 0ll); cout << ((n * (n - 1ll)) / 2ll) - ((rem * (rem - 1ll)) / 2ll) << '\n'; return 0; }
2
#include <bits/stdc++.h> using namespace std; int n; int mat[2][4] = {{-1, 0, 0, 1}, {0, -1, 1, 0}}; long long x[33], y[33]; vector<vector<int> > v; void dfs(int topi, int prev, int dir, long long dist) { if (v[topi].size() > 4) { cout << "NO" << endl; exit(0); } for (int i = 0, j = 0; i < v[topi].size(); i++) if (v[topi][i] != prev) { if (dir == 3 - j) j = (j + 1) % 4; x[v[topi][i]] = x[topi] + dist * mat[0][j]; y[v[topi][i]] = y[topi] + dist * mat[1][j]; dfs(v[topi][i], topi, j, dist / 2); j = (j + 1) % 4; } } int main() { cin >> n; vector<int> vec; v.insert(v.begin(), n + 1, vec); for (int i = 0; i < n - 1; i++) { int a, b; cin >> a >> b; v[a].push_back(b); v[b].push_back(a); } int maxi = 0; for (int i = 1; i <= n; i++) { if (v[i].size() > v[maxi].size()) { maxi = i; } } dfs(maxi, maxi, -1, 1ll << 30); cout << "YES" << endl; for (int i = 1; i <= n; i++) { cout << x[i] << " " << y[i] << endl; } return 0; }
5
#include <bits/stdc++.h> using namespace std; const int MAX = 901; int n, r; int s; vector<pair<int, int> > p; vector<int> candidate; int res = 0; vector<int> ret; int getDist(int x1, int x2, int y1, int y2) { return ((x1 - x2) * (x1 - x2)) + ((y1 - y2) * (y1 - y2)); } void backtrack(int start, int len, int dist) { if (len >= n) { if (res < dist) { res = dist; ret = candidate; } return; } for (int i = start; i < s; ++i) { int t = dist; for (int j = 0; j < (int)candidate.size(); ++j) t += getDist(p[i].first, p[candidate[j]].first, p[i].second, p[candidate[j]].second); candidate.push_back(i); backtrack(i, len + 1, t); candidate.pop_back(); } } bool cmp(pair<int, int> A, pair<int, int> B) { return ((A.first) * (A.first)) + ((A.second) * (A.second)) > ((B.first) * (B.first)) + ((B.second) * (B.second)); } int main(int argc, char *argv[]) { ios::sync_with_stdio(0); cin >> n >> r; for (int i = 0; i <= r; ++i) { for (int j = 0; j <= r; ++j) { if (((i) * (i)) + ((j) * (j)) <= ((r) * (r))) { p.push_back(pair<int, int>(i, j)); if (i) p.push_back(pair<int, int>(-i, j)); if (j) p.push_back(pair<int, int>(i, -j)); if (i && j) p.push_back(pair<int, int>(-i, -j)); } } } sort(p.begin(), p.end(), cmp); p.resize(min((int)p.size(), 20)); s = p.size(); backtrack(0, 0, 0); cout << res << "\n"; for (int i = 0; i < n; ++i) cout << p[ret[i]].first << " " << p[ret[i]].second << "\n"; }
5
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; inline long long power(int a, int b) { if (b == 0) return 1LL; if (b == 1) return 1LL * a; long long tmp = power(a, b / 2); tmp = tmp * tmp % mod; if (b & 1) tmp = tmp * a % mod; return tmp; } int main() { int n; long long ans = 1LL; cin >> n; for (int i = n + 1; i <= 2 * n - 1; i++) ans = ans * i % mod; for (int i = 1; i <= n - 1; i++) ans = ans * power(i, mod - 2) % mod; ans = (2 * ans + mod - n) % mod; cout << ans << endl; return 0; }
3
#include <bits/stdc++.h> using namespace std; int main() { int h, m, a; char c; cin >> h >> c >> m >> a; int hh = a / 60, mm = a % 60; while (mm--) { m++; if (m == 60) m = 0, hh++; } while (hh--) { h++; if (h == 24) h = 0; } printf("%.2d:%.2d", h, m); }
2
#include <cstdio> #include <cstdlib> #include <cmath> #include <climits> #include <map> #include <utility> #include <set> #include <iostream> #include <string> #include <vector> #include <algorithm> #include <functional> #include <sstream> #include <stack> #include <queue> #include <numeric> #include <cstring> using namespace std; #define REP(i, a, b) for(i = a; i < b; i++) #define rep(i, n) REP(i, 0, n) const int INF = 1<<29; vector<vector<int> > warshall_floyd(vector<vector<int> > g){ int i, j, k; rep(k, g.size()) rep(i, g.size()) rep(j, g.size()){ g[i][j] = min(g[i][j], g[k][j] + g[i][k]); } return g; } int main(){ int i, j, k; int n, m; while(1){ cin >> n >> m; if(n == 0 && m == 0) break; int res = 0; int cost, delay; string s, p, g; vector<string> sta; vector<vector<int> > graf(n, vector<int>(n, INF)); cin >> s >> p >> g; rep(i, m){ string tmp1, tmp2; cin >> tmp1 >> tmp2; rep(j, sta.size()) if(sta[j] == tmp1) break; if(j == sta.size()){ sta.push_back(tmp1); j = sta.size()-1;} rep(k, sta.size()) if(sta[k] == tmp2) break; if(k == sta.size()){ sta.push_back(tmp2); k = sta.size()-1;} cin >> cost >> delay; cost /= 40; cost += delay; graf[j][k] = cost; graf[k][j] = cost; } int scor, pcor, gcor; rep(i, sta.size()){ if(sta[i] == s) scor = i; if(sta[i] == p) pcor = i; if(sta[i] == g) gcor = i; } vector<vector<int> > d = warshall_floyd(graf); res += d[scor][pcor]; res += d[pcor][gcor]; cout << res << endl; } return 0; }
0
#include <bits/stdc++.h> using std::cin; using std::cout; using std::endl; using std::string; bool isZeroString(string Str) { for (int i = 0; i < Str.length(); i++) if (Str[i] == '1') return false; return true; } bool isChangable(string A, string B) { if (A == B) return true; if (A.length() != 1 && (A.length() == B.length())) if (isZeroString(A) || isZeroString(B)) return false; else return true; else return false; } int main() { string A, B; getline(cin, A); getline(cin, B); if (isChangable(A, B)) cout << "YES" << endl; else cout << "NO" << endl; return 0; }
3
#include <bits/stdc++.h> using namespace std; const long long N = 500000; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); ; long long t; cin >> t; while (t--) { long long n; cin >> n; vector<long long> v(n), left(n), right(n); for (long long i = 0; i < n; i++) cin >> v[i]; long long f = 0; left[0] = v[0]; long long diff = 0; for (long long i = 1; i < n; i++) { diff += max((long long)0, v[i] - v[i - 1]); left[i] = v[i] - diff; } right[n - 1] = v[n - 1]; diff = 0; for (long long i = n - 2; i >= 0; i--) { diff += max((long long)0, v[i] - v[i + 1]); right[i] = v[i] - diff; } if (left[n - 1] >= 0 || right[0] >= 0) f = 1; for (long long i = 0; i < n - 1; i++) { long long l = v[i] - left[i]; long long r = v[i + 1] - right[i]; if (right[i + 1] >= l && left[i] >= r) f = 1; } if (f) cout << "YES" << "\n"; else cout << "NO" << "\n"; } }
1
#include <bits/stdc++.h> const int N = 2005; using namespace std; bitset<N> f[N]; int n; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { int t; scanf("%d", &t); if (t > 0) f[i][j] = 1; } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) if (f[i][j]) { f[i] |= f[j]; } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) if (f[i][j]) { f[i] |= f[j]; } } for (int i = 1; i <= n; i++) { if (f[i].count() != n) { printf("NO"); return 0; } } printf("YES"); return 0; }
5
#include <bits/stdc++.h> using namespace std; unsigned int nextPowerOf2(unsigned int n) { unsigned int p = 1; if (n && !(n & (n - 1))) return n; while (p < n) p <<= 1; return p; } int main() { long long t; cin >> t; while (t--) { long long n; cin >> n; std::vector<long long> v(n); for (long long i = 0; i < n; i++) { cin >> v[i]; } long long currhead = v[0]; long long currdiff; long long maxdiff = -1; for (long long i = 1; i < n; i++) { if (v[i] < currhead) { currdiff = currhead - v[i]; maxdiff = max(maxdiff, currdiff); } if (v[i] > currhead) currhead = v[i]; } if (maxdiff == -1) cout << "0" << endl; else { long long result = floor(log2(maxdiff)); cout << result + 1 << endl; } } return 0; }
3
#include <bits/stdc++.h> using namespace std; long long int inf = 1e14; long long int mod = 1e9 + 7; char en = '\n'; long long int arr[5005]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long int t; cin >> t; while (t--) { long long int a; cin >> a; long long int cnt1 = 0; for (long long int i = 0; i <= 32; i++) { if (a & (1ll << i)) cnt1++; } cout << (1ll << cnt1) << endl; } return 0; }
2
#include <bits/stdc++.h> using namespace std; set<string> s; string str; void init() { s.clear(); } int main() { int n; while (~scanf("%d", &n)) { init(); for (int i = 0; i < n; i++) { cin >> str; string tp = ""; int len = str.size(); for (int j = 0; j < len; j++) { if (str[j] == 'u') { tp += "oo"; } else if (str[j] == 'k') { bool flag = false; for (int k = j + 1; k < len; k++) { if (str[k] == 'k') continue; else if (str[k] == 'h') { tp += "h"; j = k; flag = true; break; } else { break; } } if (!flag) { tp += str[j]; } } else { tp += str[j]; } } s.insert(tp); } printf("%d\n", s.size()); } }
6