solution
stringlengths
10
159k
difficulty
int64
0
3.5k
language
stringclasses
2 values
#include <bits/stdc++.h> using namespace std; const int arrn = 1e6 + 10; template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (int i = 0; i < v.size(); i++) { os << v[i]; os << " "; } return os; } template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &v) { os << '(' << v.first << ',' << v.second << ')'; return os; } long long N = 1e9 + 7; long long mpow(long long a, long long n, long long m = 1e9 + 7) { long long r = 1; while (n) { if (n & 1) r = (r * a) % m; a = (a * a) % m; n >>= 1; } return r; } long long inv(int a) { return mpow(a, N - 2); } int last = 0; long long factmemo[1000] = {1}; long long fact(int n) { if (n <= last) return factmemo[n]; else { for (long long i = last + 1; i <= n; i++) { factmemo[i] = (i * factmemo[i - 1]) % N; } last = n; return factmemo[n]; } } long long vectprod(vector<long long> v) { long long ans = 1; for (int i = 0; i < v.size(); i++) { ans = (ans * v[i]) % N; } return ans; } int n, m, k; int main() { cin >> n >> m >> k; if ((m - 1) < 2 * k || (n - 1) < 2 * k) { cout << 0; return 0; } vector<long long> up = {fact(n - 1), fact(m - 1)}; vector<long long> down = {fact(2 * k), fact(2 * k), fact(n - 1 - 2 * k), fact(m - 1 - 2 * k)}; cout << (vectprod(up) * inv(vectprod(down))) % N << endl; }
2,000
CPP
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const int maxn = 10000 + 10; string s; int node[3][2] = {2, 5, 5, 0, 7, 5}; vector<int> vec[2]; int change(int p1, int p2) { if (s.size() == 2) return 0; int cnt = 0; for (int i = 0; i < s.size(); i++) { if (i == p1 || i == p2) continue; if (s[i] == '0') cnt++; else return cnt; } return INF; } int main() { ios::sync_with_stdio(0); cin >> s; int len = s.size(); int minn = INF; int lc1 = -1, lc2 = -1; for (int i = len - 1; i >= 0 && lc2 == -1; i--) { if (s[i] == '0') lc1 == -1 ? (lc1 = i) : (lc2 = i); } if (lc1 != -1 && lc2 != -1) minn = (len - 1 + len - 2) - (lc1 + lc2); for (int i = 0; i < 3; i++) { vec[0].clear(); vec[1].clear(); for (int j = 0; j < 2; j++) { for (int k = len - 1; k >= 0; k--) { if (s[k] - '0' == node[i][j]) { vec[j].push_back(k); } } } for (int j = 0; j < vec[0].size(); j++) { for (int k = 0; k < vec[1].size(); k++) { int tmp = abs(len - 1 - vec[1][k]); tmp += len - 2 - vec[0][j] + (vec[0][j] > vec[1][k] ? 1 : 0) + change(vec[0][j], vec[1][k]); minn = min(minn, tmp); } } } printf("%d\n", minn >= INF ? -1 : minn); }
2,100
CPP
#include <bits/stdc++.h> using namespace std; const int N = 100005; long long v1[N], v2[N]; long long inv[N]; long long inv2; long long dp[N]; long long m, n; const long long MOD = 1000000007; long long fastpow(long long n, long long p) { if (p == 0) return 1; if (p % 2) return n * fastpow(n, p - 1) % MOD; long long aux = fastpow(n, p / 2); return aux * aux % MOD; } long long calc(long long i) { auto &ret = dp[i]; if (ret != -1) return ret; if (n == i) return ret = 0; long long x1 = v1[i]; long long x2 = v2[i]; if (x1 && x2) { if (x1 > x2) return ret = 1; if (x1 < x2) return ret = 0; if (x1 == x2) return ret = calc(i + 1) % MOD; } if (!x1 && !x2) { return ret = (calc(i + 1) * m % MOD * inv2 % MOD + (m * (m - 1) / 2) % MOD * inv2 % MOD) % MOD; } if (!x1) { return ret = ((m - x2) * inv[m] + 1 * inv[m] * calc(i + 1)) % MOD; } if (!x2) { return ret = ((x1 - 1) * inv[m] + 1 * inv[m] * calc(i + 1)) % MOD; } } int main() { memset(dp, -1, sizeof dp); for (long long i = 0; i < N; i++) inv[i] = fastpow(i, MOD - 2); scanf("%lld %lld", &n, &m); inv2 = fastpow(m * m % MOD, MOD - 2); for (long long i = 0; i < n; i++) { scanf("%lld", v1 + i); } for (long long i = 0; i < n; i++) { scanf("%lld", v2 + i); } cout << calc(0) << endl; return 0; }
1,900
CPP
n = int(input()) a = input() ff = {} ff['z'] = 0 ff['e'] = 0 ff['r'] = 0 ff['o'] = 0 ff['n'] = 0 for i in a: ff[i] += 1 if ff['o'] and ff['n'] and ff['e']: min_ = min(ff['o'], ff['n'], ff['e']) ff['o'] -= min_ ff['n'] -= min_ ff['e'] -= min_ zeros = min(ff['z'], ff['e'], ff['r'], ff['o']) print(' '.join(['1'] * min_), ' '.join(['0'] * (0 if zeros < 1 else zeros)), sep=' ') else: zeros = min(ff['z'], ff['e'], ff['r'], ff['o']) print(' '.join(['0'] * zeros))
800
PYTHON3
n, m = map(int, input().split()) mat = [list(input().strip()) for i in range(n)] left = -1 tmat = list(zip(*mat)) for i in range(m): if '*' in tmat[i]: left = i break for i in range(m - 1, -1, -1): if '*' in tmat[i]: right = i break for i in range(n): if '*' in mat[i]: top = i break for i in range(n - 1, -1, -1): if '*' in mat[i]: bottom = i break for i in range(top, bottom + 1): ch = '' for j in range(left, right + 1): ch += mat[i][j] print(ch)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int ARRLEN = 100; int val[ARRLEN]; bool Cmp(int x, int y) { return x > y; } int main() { int n, k; scanf("%d%d", &n, &k); for (int i = 0; i < n; ++i) { scanf("%d", &val[i]); } sort(val, val + n, Cmp); int len = 0, ind = 0; while (k--) { printf("%d", len + 1); for (int i = 0; i < len; ++i) { printf(" %d", val[i]); } printf(" %d\n", val[ind]); ind++; if (ind == n) { len++; ind = len; } } return 0; }
1,600
CPP
import sys input=sys.stdin.readline for i in range(int(input())): r,b,d=map(int,input().split()) if (1+d)*min(r,b)>=max(r,b): print("YES") else: print("NO")
800
PYTHON3
#include <bits/stdc++.h> using namespace std; struct node { int x; int y; int num; int typ; node(int a, int b, int c, int d) { x = a, y = b, num = c, typ = d; } }; int a[100][100]; bool vis[11][11][111][11]; pair<int, int> dist[11][11][111][11]; int n; int mv1[][2] = {{2, 1}, {1, 2}, {2, -1}, {-1, 2}, {1, -2}, {-1, -2}, {-2, -1}, {-2, 1}}; int mv2[][2] = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}}; int mv3[][2] = {{1, 1}, {1, -1}, {-1, 1}, {-1, -1}}; void bfs() { queue<node> q; for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { if (a[i][j] == 1) { q.push(node(i, j, 1, 0)); q.push(node(i, j, 1, 1)); q.push(node(i, j, 1, 2)); vis[i][j][1][0] = 1; vis[i][j][1][1] = 1; vis[i][j][1][2] = 1; dist[i][j][1][0] = {0, 0}; dist[i][j][1][1] = {0, 0}; dist[i][j][1][2] = {0, 0}; } } } while (!q.empty()) { node v = q.front(); q.pop(); if (v.typ == 0) { for (int i = 1; i <= n; i++) { for (int j = 0; j < 4; j++) { int X = v.x + i * mv2[j][0]; int Y = v.y + i * mv2[j][1]; if (X < 0 || X >= n || Y < 0 || Y >= n) continue; if (vis[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ]) { if (dist[v.x][v.y][v.num][v.typ].first + 1 == dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].first) { dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ] .second = min( dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].second, dist[v.x][v.y][v.num][v.typ].second); } continue; } vis[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ] = 1; dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ] = dist[v.x][v.y][v.num][v.typ]; dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].first++; q.push(node(X, Y, v.num + ((a[X][Y] == (v.num + 1))), v.typ)); } } } else if (v.typ == 1) { for (int i = 1; i <= n; i++) { for (int j = 0; j < 4; j++) { int X = v.x + i * mv3[j][0]; int Y = v.y + i * mv3[j][1]; if (X < 0 || X >= n || Y < 0 || Y >= n) continue; if (vis[X][Y][v.num + (a[X][Y] == (v.num + 1))][v.typ]) { if (dist[v.x][v.y][v.num][v.typ].first + 1 == dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].first) { dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ] .second = min( dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].second, dist[v.x][v.y][v.num][v.typ].second); } continue; } vis[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ] = 1; dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ] = dist[v.x][v.y][v.num][v.typ]; dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].first++; q.push(node(X, Y, v.num + ((a[X][Y] == (v.num + 1))), v.typ)); } } } else { for (int j = 0; j < 8; j++) { int X = v.x + mv1[j][0]; int Y = v.y + mv1[j][1]; if (X < 0 || X >= n || Y < 0 || Y >= n) continue; if (vis[X][Y][v.num + (a[X][Y] == (v.num + 1))][v.typ]) { if (dist[v.x][v.y][v.num][v.typ].first + 1 == dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].first) { dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].second = min( dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].second, dist[v.x][v.y][v.num][v.typ].second); } continue; } dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ] = dist[v.x][v.y][v.num][v.typ]; dist[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ].first++; vis[X][Y][v.num + ((a[X][Y] == (v.num + 1)))][v.typ] = 1; q.push(node(X, Y, v.num + ((a[X][Y] == (v.num + 1))), v.typ)); } } for (int i = 0; i <= 2; i++) { if (i != v.typ) { if (vis[v.x][v.y][v.num][i]) { if (dist[v.x][v.y][v.num][v.typ].first + 1 == dist[v.x][v.y][v.num][i].first) dist[v.x][v.y][v.num][i].second = min(dist[v.x][v.y][v.num][i].second, dist[v.x][v.y][v.num][v.typ].second + 1); continue; } vis[v.x][v.y][v.num][i] = 1; dist[v.x][v.y][v.num][i] = dist[v.x][v.y][v.num][v.typ]; dist[v.x][v.y][v.num][i].first++; dist[v.x][v.y][v.num][i].second++; q.push(node(v.x, v.y, v.num, i)); } } } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n; for (int i = 0; i < n; i++) for (int j = 0; j < n; j++) cin >> a[i][j]; for (int i = 0; i < n; i++) for (int j = 0; j < n; j++) for (int k = 0; k < n * n; k++) for (int x = 0; x < 3; x++) dist[i][j][k][x] = {1e9, 1e9}; bfs(); pair<int, int> ret = {1e9, 1e9}; for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { if (a[i][j] == n * n) { ret = min(ret, dist[i][j][n * n][0]); ret = min(ret, dist[i][j][n * n][1]); ret = min(ret, dist[i][j][n * n][2]); } } } cout << ret.first << ' ' << ret.second << endl; }
2,200
CPP
T=int(input()) II=0 while II<T: #n=int(input()) s=input().split() a=int(s[0]) b=int(s[1]) if a<b: a,b=b,a print(max(2*b,a)**2) II+=1
800
PYTHON3
#include <bits/stdc++.h> using namespace std; struct _cert { template <typename T> _cert& operator<<(T) { return *this; } }; _cert _cer; template <typename T> void dprint(T begin, T end) { for (auto i = begin; i != end; i++) { _cer << (*i) << " "; } _cer << "\n"; } set<pair<long long, long long> > ss; int q; long long m; int bd(pair<long long, long long> a, pair<long long, long long> b, pair<long long, long long> c) { b.first -= a.first; b.second -= a.second; c.first -= a.first; c.second -= a.second; return ((long double)b.first * (long double)c.second - (long double)b.second * (long double)c.first) <= 0; } int main() { scanf("%d%lld", &q, &m); int ij = 0; ss.insert(make_pair(0, 0)); for (int i = 0; i < q; ++i) { int k, t, h; long long x, y, a, b; scanf("%d%d%d", &k, &t, &h); if (k == 1) { x = (t + ij) % 1000000 + 1; y = (h + ij) % 1000000 + 1; auto it = ss.lower_bound(make_pair(x, 0)); if (it != ss.end() && it->second <= y) continue; auto it2 = prev(it); if (it != ss.end() && bd(*it2, make_pair(x, y), *it)) continue; it = ss.insert(make_pair(x, y)).first; while (next(it) != ss.end() && next(it)->first == x) ss.erase(next(it)); while (prev(it) != ss.begin() && bd(*prev(prev(it)), *prev(it), *it)) ss.erase(prev(it)); } else { b = (t + ij) % 1000000 + 1; a = (h + ij) % 1000000 + 1; auto it = ss.lower_bound(make_pair((a + b - 1) / b, 0)); int fl = 0; if (it != ss.end()) { if (it->second * b <= m) fl = 1; else { auto it2 = prev(it); if (bd(make_pair(it2->first * b, it2->second * b), make_pair(a, m), make_pair(it->first * b, it->second * b))) fl = 1; } } if (fl) { printf("YES\n"); ij = i + 1; } else { printf("NO\n"); } } } return 0; }
3,100
CPP
n = int(input()) arr = [int(x) for x in input().split()] for i in range(n): while arr[i]%2==0: arr[i]/=2 while arr[i]%3==0: arr[i]/=3 print("Yes" if all(arr[0]==arr[i] for i in range(n))else "No")
1,300
PYTHON3
#include <bits/stdc++.h> using namespace std; long long n, h; long long md = 2e9; bool judge(long long x) { long long sum = 0; if (x >= md) return true; if (x <= h) { sum = (x + 1) * x / 2; } else { sum += (x + x - h + 1) * h / 2; x = x - h - 1; if (sum >= n) return true; if (x % 2 == 1) { sum += (x + 1) * ((x + 1) / 2) / 2; } else { sum += (x + 0) * (x / 2 + 1) / 2; } } if (sum >= n) { return true; } else return false; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); while (cin >> n >> h) { long long low = 1, high = n; long long result = n; while (low <= high) { long long mid = (low + high) / 2; if (judge(mid)) { result = mid; high = mid - 1; } else { low = mid + 1; } } cout << result << endl; } return 0; }
2,100
CPP
import sys import math import bisect from sys import stdin, stdout from math import gcd, floor, sqrt, log2, ceil,pi,sin,cos,acos,atan from collections import defaultdict as dd from bisect import bisect_left as bl, bisect_right as br from bisect import insort from collections import Counter from collections import deque from heapq import heappush,heappop,heapify from itertools import permutations,combinations mod = int(1e9)+7 ip = lambda : int(stdin.readline()) inp = lambda: map(int,stdin.readline().split()) ips = lambda: stdin. readline().rstrip() out = lambda x : stdout.write(str(x)+"\n") t = ip() for _ in range(t): n,x = inp() arr = list(inp()) arr2 = list(arr) arr = [x-i for i in arr] test = [0]*n if arr == test: ans = 0 else: if sum(arr) == 0: ans = 1 else: flag = False for i in arr2: if i == x: flag = True if flag: ans = 1 else: ans = 2 out(ans)
1,500
PYTHON3
k=list(map(int,input().split())) s=list(map(int,input().split())) li=[] for i in s: if k[1]+i<6: li.append(i) print(len(li)//3)
800
PYTHON3
x=input() a=[] result= 0 for i in range(int(x)): newElement=input() a.append(newElement) for i in range(len(a)): yes=0 no=0 for j in range(3): z=a[i].split() if int(z[j])==1: yes+=1 else: no+=1 if yes>no : result+=1 print(result)
800
PYTHON3
info = int(input()) data = [] for i in range(info): data.append([info for info in input().split(' ')]) flag = 'NO' for i in data: if int(i[1]) < int(i[2]) and int(i[1]) >= 2400: flag = 'YES' print(flag)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int mod = 1000000007; long long binpow(long long x, long long ind) { if (!ind) return 1; if (ind % 2) return (binpow(x, ind - 1) * x) % mod; long long y = binpow(x, ind / 2); return (y * y) % mod; } int main() { long long n, m, k; cin >> n >> m >> k; long long place = m % n; vector<long long> d(n + 1); d[0] = 1; d[1] = 1; for (int j = 2; j <= n; ++j) { vector<long long> e(n + 1); e[0] = 1; for (int i = 1; i <= min(k, n); ++i) e[i] = (d[i] + d[i - 1]) % mod; d = e; } vector<vector<long long> > c(n + 1, vector<long long>(2)); for (int i = 0; i <= min(k, n); ++i) c[i][0] = binpow(d[i], m / n); if (m % n) for (int i = 0; i <= min(k, n); ++i) c[i][1] = (c[i][0] * d[i]) % mod; vector<vector<long long> > dyn(n, vector<long long>(k + 1)); for (int i = 0; i <= min(k, n); ++i) if (place) dyn[0][i] = c[i][1]; else dyn[0][i] = c[i][0]; for (long long i = 1; i < n; ++i) { long long start = 0; if (k - (n - i - 1) * n > 0) start = k - (n - i - 1) * n; for (long long j = start; j <= min(k, (i + 1) * n); ++j) for (long long u = 0; u <= min(k, n); ++u) if (j >= u) if (i >= place) dyn[i][j] = (dyn[i][j] + dyn[i - 1][j - u] * c[u][0]) % mod; else dyn[i][j] = (dyn[i][j] + dyn[i - 1][j - u] * c[u][1]) % mod; } cout << dyn[n - 1][k]; return 0; }
1,900
CPP
#include <bits/stdc++.h> using namespace std; template <class T> inline void read(T& x) { bool fu = 0; char c; for (c = getchar(); c <= 32; c = getchar()) ; if (c == '-') fu = 1, c = getchar(); for (x = 0; c > 32; c = getchar()) x = x * 10 + c - '0'; if (fu) x = -x; }; template <class T> inline void read(T& x, T& y) { read(x); read(y); } template <class T> inline void read(T& x, T& y, T& z) { read(x); read(y); read(z); } inline char getc() { char c; for (c = getchar(); c <= 32; c = getchar()) ; return c; } int n, m, K, i, j, l, p; long long best, res; struct arr { int a[110], b[110], c[110]; } a[11]; char s[11111]; pair<long long, long long> t[111]; long long calc(arr x, arr y) { int i, j, g = 0, k = K; for (i = 1; i <= m; i++) if (x.a[i] < y.b[i] && x.c[i] > 0) t[++g] = make_pair(y.b[i] - x.a[i], x.c[i]); sort(t + 1, t + 1 + g); reverse(t + 1, t + 1 + g); long long ans = 0; for (i = 1; i <= g; i++) { if (k == 0) break; k--; ans += t[i].first; if (--t[i].second == 0) ; else i--; } return ans; } int main() { read(n, m, K); for (i = 1; i <= n; i++) { scanf("%s", s + 1); for (j = 1; j <= m; j++) read(a[i].a[j], a[i].b[j], a[i].c[j]); } long long ans = 0; for (i = 1; i <= n; i++) for (j = 1; j <= n; j++) if (i != j) ans = max(ans, calc(a[i], a[j])); cout << ans << endl; return 0; }
1,200
CPP
n = int(input()) a = list(map(int,input().split())) dv = a.count(2) od = n - dv k = 0 if od >= dv: k += dv od -= dv k += od // 3 else: k += od print(k)
800
PYTHON3
from math import tan,pi for _ in range(int(input())): n = int(input()) angle = pi/(2*n) ans = 1/tan(angle) print("{:.9f}".format(ans))
1,400
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 15; const long long int inf = 1e18; long long int dist(pair<long long int, long long int> a, pair<long long int, long long int> b) { return abs(a.first - b.first) + abs(a.second - b.second); } void solve() { long long int ans = 1e18; long long int n, x1, x2, y1, y2; cin >> n >> x1 >> y1 >> x2 >> y2; pair<long long int, long long int> start = {x1, y1}; pair<long long int, long long int> end = {x2, y2}; vector<long long int> a[N]; vector<pair<long long int, long long int> > v; v.push_back({x1, y1}); v.push_back({0, 0}); v.push_back({n, 0}); v.push_back({0, n}); v.push_back({n, n}); v.push_back({x2, y2}); for (long long int i = 0; i < 6; i++) { for (long long int j = 0; j < 6; j++) { if (i == j) continue; if ((v[i].first == v[j].first and (v[i].first == 0 or v[i].first == n))) { a[i].push_back(j); a[j].push_back(i); } else if (v[i].second == v[j].second and (v[i].second == 0 or v[i].second == n)) { a[i].push_back(j); a[j].push_back(i); } } } vector<long long int> dp(6, 1e18); dp[0] = 0; queue<long long int> q; q.push(0); while (!q.empty()) { long long int u = q.front(); q.pop(); for (auto vv : a[u]) { if (dp[vv] > dp[u] + dist(v[u], v[vv])) { dp[vv] = dp[u] + dist(v[u], v[vv]); q.push(vv); } } } cout << dp[5]; } void debug(long long int tt) {} signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int t = 1; while (t--) { solve(); } }
1,300
CPP
#include <bits/stdc++.h> using namespace std; template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cout << name << " : " << arg1 << '\n'; } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args) { const char* comma = strchr(names + 1, ','); cout.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } const long long M = 1000000007; long long power(long long a, long long b) { long long res = 1; while (b != 0) { if (b & 1) { res = (res * a) % M; } a = (a * a) % M; b = b >> 1; } return res % M; } long long factorial(long long n) { long long ans = 1; for (long long i = 1; i <= n; i++) { ans = (ans % M) * (i % M); } return ans % M; } long long ncr(long long n, long long r) { long long fact_n = factorial(n); long long fact_r = factorial(r); long long fact_t = factorial(n - r); long long inverse_r = power(fact_r, M - 2); long long inverse_t = power(fact_t, M - 2); long long ans = (((fact_n * inverse_r) % M) * inverse_t) % M; return ans; } void solve() { long long n, a, b, c, ans = 0, count = 0, sum = 0; long long x1, y1, x2, y2; cin >> x1 >> y1 >> x2 >> y2; if (x1 > x2 || y1 > y2) { cout << 0 << endl; return; } long long f = abs(x1 - x2); long long g = abs(y1 - y2); n = f + g - 2; long long r = g - 1; cout << f * g + 1 << endl; return; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long t; cin >> t; while (t--) { solve(); } return 0; }
1,600
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e3 + 5; int a[N][N]; vector<int> x[N], y[N], xx[N], yy[N]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { cin >> a[i][j]; x[i].push_back(a[i][j]); y[j].push_back(a[i][j]); } } for (int i = 1; i <= n; i++) { sort(x[i].begin(), x[i].end()); xx[i].push_back(x[i][0]); for (int j = 1; j < x[i].size(); j++) { if (x[i][j] != x[i][j - 1]) xx[i].push_back(x[i][j]); } } for (int i = 1; i <= m; i++) { sort(y[i].begin(), y[i].end()); yy[i].push_back(y[i][0]); for (int j = 1; j < y[i].size(); j++) { if (y[i][j] != y[i][j - 1]) yy[i].push_back(y[i][j]); } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { int valx = upper_bound(xx[i].begin(), xx[i].end(), a[i][j]) - xx[i].begin(); int valy = upper_bound(yy[j].begin(), yy[j].end(), a[i][j]) - yy[j].begin(); int val = max(valx, valy); int lol = val + max(xx[i].size() - valx, yy[j].size() - valy); cout << lol << " "; } cout << endl; } return 0; }
1,600
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 1000010; char s[maxn]; int main() { int i, j, is1 = 0, is2 = 0; scanf("%s", s); for (i = 0; s[i]; i++) { if (s[i] == 'M') is1 = 1; else is2 = 1; } if (is1 + is2 < 2) puts("0"); else { int ans = 0, p; for (i = 0; s[i] == 'F'; i++) ; j = i; for (; s[i] == 'M'; i++) ; if (!s[i]) { puts("0"); return 0; } ans = i - j; p = i; j++; for (i++; s[i]; i++) if (s[i] == 'F') { ans = max(i - j, ans + 1); j++; } printf("%d\n", ans); } }
2,000
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 2 * 100000 + 10, MOD = 1000 * 1000 * 1000 + 7, INF = 1000 * 1000 * 1000; const long long LINF = (1ll) << 60; const double EPS = 1e-9, PI = 2. * acos(0.0); int board[11][11]; int n, m, k; int colCnt[11]; int all_colors; int ans; int banCol[11][11][11]; int add(int a, int b) { return (a + b) % MOD; } int mul(int a, int b) { return (a * 1ll * b) % MOD; } void DFS(int x, int y) { int next_x = x; int next_y = y + 1; if (x == n) { int new_cols = -all_colors; for (int i = 0; i < k; i++) { if (colCnt[i] != 0) { new_cols++; } } int curAns = 1; for (int i = k - all_colors; i > k - all_colors - new_cols; i--) { curAns = mul(curAns, i); } ans = add(ans, curAns); return; } if (next_y == m) { next_x++; next_y = 0; } if (board[x][y] != 0) { DFS(next_x, next_y); return; } bool newOne = true; for (int i = 0; i < k; i++) { if (banCol[x][y][i] == 0) { if (colCnt[i] == 0) { if (newOne) { newOne = false; } else { continue; } } colCnt[i]++; for (int ii = x; ii < n; ii++) { for (int jj = y; jj < m; jj++) { banCol[ii][jj][i]++; } } DFS(next_x, next_y); colCnt[i]--; for (int ii = x; ii < n; ii++) { for (int jj = y; jj < m; jj++) { banCol[ii][jj][i]--; } } } } } int main() { ios_base::sync_with_stdio(false); cin >> n >> m >> k; if (n + m - 1 > k) { cout << 0 << "\n"; return 0; } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> board[i][j]; if (board[i][j] != 0) { if (banCol[i][j][board[i][j] - 1] != 0) { cout << 0 << "\n"; return 0; } for (int ii = 0; ii < n; ii++) { for (int jj = 0; jj < m; jj++) { if (ii <= i && jj <= j || ii >= i && jj >= j) { banCol[ii][jj][board[i][j] - 1]++; } } } colCnt[board[i][j] - 1]++; } } } for (int i = 0; i < k; i++) { if (colCnt[i] != 0) { all_colors++; } } DFS(0, 0); cout << ans << "\n"; return 0; }
2,700
CPP
#include <bits/stdc++.h> using namespace std; const long long MOD = 1000000007; const int INF = 1034567890; const long long LL_INF = 1234567890123456789ll; const double PI = acos(-1); const long double ERR = 1E-10; int main() { int n, q; cin >> n >> q; set<pair<int, int>> cells; int bad_nei{}; for (auto i{0}; i < q; i++) { int row, col; cin >> row >> col; bool was_forbidden = cells.count({row, col}); for (auto r{row - 1}; r < row + 2; r++) { for (auto c{col - 1}; c < col + 2; c++) { if (r == row) continue; if (!(1 <= r && r <= 2 && 1 <= c && c <= n)) { continue; } if (cells.count({r, c})) { if (was_forbidden) bad_nei--; else bad_nei++; } } } if (cells.count({row, col})) cells.erase({row, col}); else cells.insert({row, col}); if (bad_nei >= 1) puts("NO"); else puts("YES"); } return 0; }
1,400
CPP
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 5; string arr[100]; vector<int> a, b; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int t; cin >> t; while (t--) { a.clear(); b.clear(); string s; cin >> s; for (int i = 0; i < s.size(); ++i) { int x = s[i] - '0'; if (x & 1) a.push_back(x); else b.push_back(x); } string ans = ""; int i, j; for (i = 0, j = 0; i < a.size() && j < b.size();) { if (a[i] < b[j]) ans += '0' + a[i++]; else ans += '0' + b[j++]; } while (i < a.size()) ans += '0' + a[i++]; while (j < b.size()) ans += '0' + b[j++]; printf("%s\n", ans.c_str()); } return 0; }
1,600
CPP
n = int(input()) for i in range(n+1, 90000): s = list(str(i)) temp = 0 for j in s: if s.count(j) == 1: temp += 1 continue else: break if temp == len(str(i)): print(i) break
800
PYTHON3
n=int(input()) ans=0 tmp=0 for i in range(n): a,b=[int(i) for i in input().split()] tmp-=a tmp+=b ans=max(ans, tmp) print(ans)
800
PYTHON3
def check(i, j, dj): val = d[i][j] while i < n: if d[i][j] == val: i+=1 j+=dj j%=n else: break if i == n: return True return False n, m = map(int, input().split()) a = list(map(int, input().split())) b = list(map(int, input().split())) a.sort() b.sort() d = [[0 for i in range(n)] for i in range(n)] for i in range(n): for j in range(n): d[i][j] = (b[j] - a[i])%m ans = [] for x in range(n): i, j = 0, x if check(i, j, 1) or check(i, j, -1): ans.append(d[i][j]) print(min(ans))
1,500
PYTHON3
#include <bits/stdc++.h> using namespace std; int MOD[] = {1000000007, 998244353, 998244853}; template <int ITH> struct modular { constexpr modular() : val(0) {} constexpr modular(const modular& _m) : val(_m.val) {} template <typename U> constexpr modular(const U& _r = U()) { val = -MOD[ITH] <= _r && _r < MOD[ITH] ? _r : _r % MOD[ITH]; if (val < 0) { val += MOD[ITH]; } } const int operator()() { return val; } template <typename U> explicit operator U() const { return static_cast<U>(val); } modular& operator+=(const modular& _m) { if ((val += _m.val) >= MOD[ITH]) { val -= MOD[ITH]; } return *this; } modular& operator-=(const modular& _m) { if ((val -= _m.val) < 0) { val += MOD[ITH]; } return *this; } modular& operator*=(const modular& _m) { val = modular(static_cast<int64_t>(val) * static_cast<int64_t>(_m.val)).val; return *this; } modular& operator/=(const modular& _m) { int a = _m.val, b = MOD[ITH], u = 0, v = 1; while (a != 0) { int q = b / a; b -= q * a; swap(a, b); u -= q * v; swap(u, v); } return *this *= u; } modular& operator=(const modular& _m) { val = _m.val; return *this; } template <typename U> modular& operator+=(const U& _r) { return *this += modular(_r); } template <typename U> modular& operator-=(const U& _r) { return *this -= modular(_r); } template <typename U> modular& operator*=(const U& _r) { return *this *= modular(_r); } template <typename U> modular& operator/=(const U& _r) { return *this /= modular(_r); } template <typename U> modular& operator=(const U& _r) { val = modular(_r).val; return *this; } modular operator-() { return modular(-val); } template <typename U> friend bool operator==(const modular&, const modular&); friend std::istream& operator>>(std::istream& os, modular& _m) { os >> _m.val; _m *= 1; return os; } friend std::ostream& operator<<(std::ostream& os, const modular& _m) { return os << _m.val; } template <typename U> modular exp(U e) { modular res = 1; modular b = val; if (e < 0) { b = 1 / b; e *= -1; } for (; e; e >>= 1) { if (e & 1) { res *= b; } b *= b; } return res; } private: int val; }; template <int ITH> inline modular<ITH> operator+(const modular<ITH>& _lhs, const modular<ITH>& _rhs) { return modular<ITH>(_lhs) += _rhs; } template <int ITH, typename U> inline modular<ITH> operator+(const modular<ITH>& _lhs, const U& _rhs) { return modular<ITH>(_lhs) += _rhs; } template <int ITH, typename U> inline modular<ITH> operator+(const U& _lhs, const modular<ITH>& _rhs) { return modular<ITH>(_lhs) += _rhs; } template <int ITH> inline modular<ITH> operator-(const modular<ITH>& _lhs, const modular<ITH>& _rhs) { return modular<ITH>(_lhs) -= _rhs; } template <int ITH, typename U> inline modular<ITH> operator-(const modular<ITH>& _lhs, const U& _rhs) { return modular<ITH>(_lhs) -= _rhs; } template <int ITH, typename U> inline modular<ITH> operator-(const U& _lhs, const modular<ITH>& _rhs) { return modular<ITH>(_lhs) -= _rhs; } template <int ITH> inline modular<ITH> operator*(const modular<ITH>& _lhs, const modular<ITH>& _rhs) { return modular<ITH>(_lhs) *= _rhs; } template <int ITH, typename U> inline modular<ITH> operator*(const modular<ITH>& _lhs, const U& _rhs) { return modular<ITH>(_lhs) *= _rhs; } template <int ITH, typename U> inline modular<ITH> operator*(const U& _lhs, const modular<ITH>& _rhs) { return modular<ITH>(_lhs) *= _rhs; } template <int ITH> inline modular<ITH> operator/(const modular<ITH>& _lhs, const modular<ITH>& _rhs) { return modular<ITH>(_lhs) /= _rhs; } template <int ITH, typename U> inline modular<ITH> operator/(const modular<ITH>& _lhs, const U& _rhs) { return modular<ITH>(_lhs) /= _rhs; } template <int ITH, typename U> inline modular<ITH> operator/(const U& _lhs, const modular<ITH>& _rhs) { return modular<ITH>(_lhs) /= _rhs; } template <int ITH> inline bool operator==(const modular<ITH>& _lhs, const modular<ITH>& _rhs) { return _lhs.val == _rhs.val; } template <int ITH, typename U> inline bool operator==(const modular<ITH>& _lhs, const U& _rhs) { return _lhs == modular<ITH>(_rhs); } template <int ITH, typename U> inline bool operator==(const U& _lhs, const modular<ITH>& _rhs) { return modular<ITH>(_lhs) == _rhs; } template <int ITH> inline bool operator!=(const modular<ITH>& _lhs, const modular<ITH>& _rhs) { return !(_lhs == _rhs); } template <int ITH, typename U> inline bool operator!=(const modular<ITH>& _lhs, const U& _rhs) { return !(_lhs == _rhs); } template <int ITH, typename U> inline bool operator!=(const U& _lhs, const modular<ITH>& _rhs) { return !(_lhs == _rhs); } vector<modular<0> > fall_table(int x, int n) { vector<modular<0> > res(n + 1); res[0] = 1; for (int i = 1; i <= n; i++) { res[i] = res[i - 1] * (x - i + 1); } return res; } vector<modular<0> > rise_table(int x, int n) { vector<modular<0> > res(n + 1); res[0] = 1; for (int i = 1; i <= n; i++) { res[i] = res[i - 1] * (x + i - 1); } return res; } const int N = 5022; modular<0> dp[N][N]; modular<0> rec[2][N]; void solve() { int n, m; cin >> n >> m >> MOD[0]; dp[1][1] = 1; for (int i = 1; i < N - 1; i++) { for (int j = 1; j < N - 1; j++) { dp[i + 1][j + 1] += dp[i][j]; dp[i + 1][j] += dp[i][j] * (j - 1); } } auto fall = fall_table(m, N); auto fac = rise_table(1, N); rec[0][0] = 1; modular<0> sum = 1; int crt = 0; for (int _ = 0, pre_len = 0; _ < n; _++) { int len; cin >> len; int nxt = crt ^ 1; for (int j = 1; j <= len; j++) { rec[nxt][j] += sum * dp[len][j] * fall[j]; rec[nxt][j] -= rec[crt][j] * dp[len][j] * fac[j]; } memset(rec[crt], 0, 4 * (pre_len + 1)); pre_len = len; sum = 0; for (int j = 1; j <= len; j++) { sum += rec[nxt][j]; } crt ^= 1; } cout << sum; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); solve(); return 0; }
2,600
CPP
l, b = map(int, input().split()) totalSquare = l * b if totalSquare % 2 != 0: totalSquare -= 1 ans = totalSquare / 2 print(round(ans))
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int MAXN = 710; int gcd(int x, int y) { return y == 0 ? x : gcd(y, x % y); } int dp[MAXN][MAXN][2]; int ddiv[MAXN][MAXN]; void Run() { int n; cin >> n; vector<int> a(n + 1); for (int i = 1; i <= n; ++i) cin >> a[i]; for (int i = 1; i <= n; ++i) for (int j = 1; j <= n; ++j) ddiv[i][j] = gcd(a[i], a[j]); for (int i = 1; i <= n + 1; ++i) dp[i][i - 1][0] = dp[i][i - 1][1] = 1; for (int lft = n; lft >= 1; --lft) { for (int rgt = lft; rgt <= n; ++rgt) { for (int side = 0; side < 2; ++side) { int v = (!side ? lft - 1 : rgt + 1); for (int x = lft; x <= rgt; ++x) { if (v <= 0 || v > n || ddiv[x][v] > 1) { dp[lft][rgt][side] |= (dp[lft][x - 1][1] & dp[x + 1][rgt][0]); } } } } } cout << (dp[1][n][0] ? "Yes" : "No") << '\n'; } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); Run(); return 0; }
2,100
CPP
for _ in range(int(input())): c, s = map(int, input().split()) if s < c: print(s) else: div = s//c mod = s % c ans = pow((div + 1), 2) * mod ans += pow(div, 2) * (c-mod) print(ans)
1,000
PYTHON3
#include <bits/stdc++.h> using i64 = long long; void solve() { int n, q; std::cin >> n >> q; std::string s; std::cin >> s; int sum[n + 1]; sum[0] = 0; for (int i = 0; i < n; i++) { sum[i + 1] = sum[i] + (s[i] == '+' ? 1 : -1) * (i % 2 == 0 ? 1 : -1); } std::vector<int> p[4 * n + 1]; for (int i = 0; i < n; i++) { p[sum[i] + sum[i + 1] + 2 * n].push_back(i); } auto get = [&](int l, int r) { int x = sum[l] + sum[r] + 2 * n; auto it = std::lower_bound(p[x].begin(), p[x].end(), l); assert(it != p[x].end() && *it < r); return *it; }; for (int i = 0; i < q; i++) { int l, r; std::cin >> l >> r; l--; if ((r - l) % 2 == 1) { std::cout << "1\n"; std::cout << get(l, r) + 1 << "\n"; } else if (sum[l] == sum[r]) { std::cout << "0\n"; } else { std::cout << "2\n"; std::cout << l + 1 << " " << get(l + 1, r) + 1 << "\n"; } } } int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); int t; std::cin >> t; while (t--) { solve(); } return 0; }
2,200
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 200005; char s[maxn], buf[maxn]; int main() { while (scanf("%s", s) != EOF) { int len = 0; for (int i = 0; s[i]; i++) { if (len != 0 && buf[len - 1] == s[i]) { len--; } else { buf[len++] = s[i]; } } buf[len] = 0; printf("%s\n", buf); } return 0; }
1,400
CPP
#include <bits/stdc++.h> using namespace std; const int N = 3e6 + 5; const double Pi = acos(-1); struct Complex { double x, y; Complex(double x = 0, double y = 0) : x(x), y(y){}; inline Complex operator+(const Complex b) const { return Complex(x + b.x, y + b.y); } inline Complex operator-(const Complex b) const { return Complex(x - b.x, y - b.y); } inline Complex operator*(const Complex b) const { return Complex(x * b.x - y * b.y, x * b.y + y * b.x); } }; namespace FFT { const double Pi = acos(-1); const int N = 3e6 + 5; Complex F[N], G[N]; int r[N]; void FFT(Complex *A, int limit, int type) { for (int i = 0; i < limit; i++) if (i < r[i]) swap(A[i], A[r[i]]); for (int mid = 1; mid < limit; mid <<= 1) { Complex Wn(cos(Pi / mid), type * sin(Pi / mid)); for (int R = mid << 1, j = 0; j < limit; j += R) { Complex w(1, 0); for (int k = 0; k < mid; k++, w = w * Wn) { Complex x = A[j + k], y = w * A[j + mid + k]; A[j + k] = x + y; A[j + mid + k] = x - y; } } } } void mul(bool *a, bool *b, int &n, int &m) { for (int i = 0; i <= n; i++) F[i].x = a[i]; for (int i = 0; i <= m; i++) G[i].x = b[i]; int l = 0; int limit; for (limit = 1; limit <= m + n; limit *= 2, l++) ; for (int i = 0; i < limit; i++) r[i] = (r[i >> 1] >> 1) | ((i & 1) << (l - 1)); FFT(F, limit, 1); FFT(G, limit, 1); for (int i = 0; i <= limit; i++) F[i] = F[i] * G[i]; FFT(F, limit, -1); for (int i = 0; i <= n + m; i++) a[i] = (int)(F[i].x / limit + 0.5); for (int i = 0; i <= limit; i++) F[i].y = G[i].y = F[i].x = G[i].x = 0; } } // namespace FFT bool a[N], ans[N]; int n, m; int ansn, an; void ksm(int x) { while (x) { if (x & 1) { FFT::mul(ans, a, ansn, an); ansn += an; } FFT::mul(a, a, an, an); an += an; x >>= 1; } } int main() { int N, q; scanf("%d%d", &N, &q); for (int i = 1; i <= N; i++) { int x; scanf("%d", &x); a[x] = 1; ans[x] = 1; ansn = max(ansn, x); } an = ansn; ksm(--q); for (int i = q + 1; i <= ansn + 5; i++) { if (ans[i]) { printf("%d ", i); } } return 0; }
2,400
CPP
n=int(input()) s=set(map(int,input().split())) m=max(s) p=0 for x in s: d=1 while x+d<=m: y=x+d if y in s: p=x,y if y+d in s: print(3) print(x,y,y+d) exit() d*=2 if p: print(2) print(*p) else: print('1\n'+str(m))
1,800
PYTHON3
#include <bits/stdc++.h> using namespace std; int f[200005], in[200005], out[200005]; int main() { int n; cin >> n; for (int i = 0; i < n; ++i) { cin >> f[i]; --f[i]; if (f[i] != -1) { ++out[i]; ++in[f[i]]; } } vector<int> loops; for (int i = 0; i < n; ++i) { if (in[i] == 0 && out[i] == 0) { loops.push_back(i); } } if (loops.size() == 1) { int idx = loops[0]; for (int i = 0; i < n; ++i) { if (in[i] == 0 && i != idx) { f[idx] = i; ++out[idx]; ++in[i]; break; } } } else if (loops.size() > 1) { for (int i = 0; i < int(loops.size()); ++i) { int cur = loops[i]; int nxt = loops[(i + 1) % int(loops.size())]; f[cur] = nxt; ++out[cur]; ++in[nxt]; } } loops.clear(); vector<int> ins, outs; for (int i = 0; i < n; ++i) { if (in[i] == 0) ins.push_back(i); if (out[i] == 0) outs.push_back(i); } assert(ins.size() == outs.size()); for (int i = 0; i < int(outs.size()); ++i) { f[outs[i]] = ins[i]; } for (int i = 0; i < n; ++i) { cout << f[i] + 1 << " "; } cout << endl; return 0; }
1,500
CPP
#include <bits/stdc++.h> using namespace std; const int N = (int)5e5 + 7, MOD = (int)1e9 + 7; int n; int a[N]; string c1 = "31283130313031313031303131283130313031313031303131283130313031313031303131" "2831303130313130313031"; string c2 = "31283130313031313031303131293130313031313031303131283130313031313031303131" "2831303130313130313031"; string c3 = "31283130313031313031303131283130313031313031303131293130313031313031303131" "2831303130313130313031"; string second; int main() { ios_base ::sync_with_stdio(0), cin.tie(0), cout.tie(0); cin >> n; for (int i = 1; i <= n; i++) { string x = ""; cin >> x; second += x; } if (c1.find(second) < 96) { cout << "YES" << endl; exit(0); } if (c2.find(second) < 96) { cout << "YES" << endl; exit(0); } if (c3.find(second) < 96) { cout << "YES" << endl; exit(0); } cout << "NO" << endl; exit(0); }
1,200
CPP
n = int(input()) l = [] a = list(map(int, input().split())) l.append(a[0]) x = 0 for i in range(1,n): if a[i] not in l: l.append(a[i]) if max(l)==a[i] or min(l)==a[i]: x+=1 print(x)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int NMAX = 321, MOD = 1e9 + 7; int64_t dp[2][NMAX][NMAX]; int64_t tdp[2][NMAX][NMAX]; int main() { ios::sync_with_stdio(false); int n, m, x; cin >> n >> m >> x; if (n > m) { cout << "0\n"; return 0; } dp[0][0][0] = tdp[0][0][0] = 1; for (int i = 1, u = 1; i <= m; ++i, u ^= 1) { for (int j = 0; j <= n; ++j) { for (int k = 0; k <= n; ++k) { dp[u][j][k] = dp[u ^ 1][j][k]; tdp[u][j][k] = tdp[u ^ 1][j][k]; } } for (int j = 0; j <= n; ++j) { for (int k = 0; k <= n; ++k) { if (j > 0) { dp[u][j][k] += dp[u ^ 1][j - 1][k + 1]; tdp[u][j][k] += tdp[u ^ 1][j - 1][k + 1]; } if (k > 0) { if (i != x) { dp[u][j][k] += dp[u ^ 1][j][k - 1]; } tdp[u][j][k] += tdp[u ^ 1][j][k - 1]; } if (j > 0) { if (i != x) { dp[u][j][k] += dp[u ^ 1][j - 1][k]; } tdp[u][j][k] += tdp[u ^ 1][j - 1][k]; } dp[u][j][k] %= MOD; tdp[u][j][k] %= MOD; } } } int ans = (tdp[m & 1][n][0] - dp[m & 1][n][0]) % MOD; for (int i = 1; i <= n; ++i) { ans = (int64_t)ans * i % MOD; } if (ans < 0) ans += MOD; cout << ans << '\n'; }
2,700
CPP
n=int(input()) i=0 while((2**i)<=n): i+=1 print(i)
1,300
PYTHON3
a=input() b=input() if list(b)==list(reversed(a)): print('YES') else: print('NO')
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; int n, k, m; map<string, int> f; string s[N]; long long a[N], cost; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> k >> m; for (int i = 1; i <= n; i++) { cin >> s[i]; f[s[i]] = i; } for (int i = 1; i <= n; i++) { cin >> a[i]; } for (int i = 1; i <= k; i++) { int sz; cin >> sz; long long mini = 1e18; vector<int> v(sz); for (int j = 0; j < sz; j++) { cin >> v[j]; mini = min(mini, a[v[j]]); } for (auto e : v) { a[e] = mini; } } for (int i = 1; i <= m; i++) { string k; cin >> k; cost += a[f[k]]; } cout << cost << "\n"; return 0; }
1,200
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n, arr[100000]; cin >> n; for (int i = 0; i < n; i++) { cin >> arr[i]; while (arr[i] % 2 == 0) arr[i] /= 2; while (arr[i] % 3 == 0) arr[i] /= 3; } for (int i = 0; i < n - 1; i++) { if (arr[i] != arr[i + 1]) { cout << "No"; return 0; } } cout << "Yes"; return 0; }
1,300
CPP
#include <bits/stdc++.h> using namespace std; const int N = 5e5 + 5; vector<int> e[N]; int used[N]; void addedge(int u, int v) { e[u].push_back(v); e[v].push_back(u); } void dfs(int cur) { if (cur == 0) used[cur] = 1; for (int nxt : e[cur]) { if (!used[nxt]) { used[nxt] = 1; dfs(nxt); } } } map<int, int> mp; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; vector<pair<int, int> > segs; for (int i = 0; i < n; i++) { int l, r; cin >> l >> r; segs.push_back(make_pair(l, r)); } sort(segs.begin(), segs.end()); int cnt = 0; for (int i = 0; i < n; i++) { for (auto it = mp.lower_bound(-segs[i].second); it != mp.end(); it++) { int val = -(it->first), idx = it->second; if (val < segs[i].first) break; cnt++; if (cnt == n) { cout << "NO\n"; return 0; } addedge(idx, i); } mp[-segs[i].second] = i; } if (cnt != n - 1) { cout << "NO\n"; return 0; } dfs(0); for (int i = 0; i < n; i++) if (!used[i]) { cout << "NO\n"; return 0; } cout << "YES\n"; return 0; }
2,100
CPP
#include <bits/stdc++.h> using namespace std; const int Maxn = 100005; int n, m, head[Maxn], cnt, maxi, ct[Maxn], dfn[Maxn], ans[Maxn], tot, vis[Maxn]; struct edg { int nxt, to, w; } edge[Maxn]; void add(int x, int y, int w) { edge[++cnt] = (edg){head[x], y, w}; head[x] = cnt; } int lim; bool dfs(int u, int id) { vis[u] = -1; for (int i = head[u]; i; i = edge[i].nxt) { int to = edge[i].to; if (edge[i].w <= lim) continue; if (vis[to] != -1 && vis[to]) continue; if (vis[to] == -1 || dfs(to, id)) return true; } vis[u] = id; return false; } bool in[Maxn]; void work(int x) { queue<int> Qu; int c = 0; for (int i = 1; i <= m; i++) if (edge[i].w > lim) ct[edge[i].to]++; for (int i = 1; i <= n; i++) if (!ct[i]) Qu.push(i), in[i] = true; while (!Qu.empty()) { int u = Qu.front(); Qu.pop(); dfn[u] = ++c; for (int i = head[u]; i; i = edge[i].nxt) { int to = edge[i].to; if (edge[i].w > lim) { ct[to]--; if (!ct[to] && !dfn[to] && !in[to]) in[to] = true, Qu.push(to); } } } } int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= m; i++) { int x, y, w; scanf("%d%d%d", &x, &y, &w); add(x, y, w); maxi = max(maxi, w); } int lt = 0, rt = maxi; while (lt + 1 <= rt) { int mid = (lt + rt) / 2; lim = mid; memset(vis, 0, sizeof(vis)); for (int i = 1; i <= n; i++) if (!vis[i] && dfs(i, i)) { lt = mid + 1; goto A; } rt = mid; A:; } lim = lt; work(lt); for (int u = 1; u <= n; u++) for (int i = head[u]; i; i = edge[i].nxt) { int to = edge[i].to; if (edge[i].w <= lt) if (dfn[to] < dfn[u]) ans[++tot] = i; } printf("%d %d\n", lt, tot); for (int i = 1; i <= tot; i++) printf("%d ", ans[i]); return 0; }
2,200
CPP
#include <bits/stdc++.h> template <class T> inline void read(T &res) { res = 0; bool bo = 0; char c; while (((c = getchar()) < '0' || c > '9') && c != '-') ; if (c == '-') bo = 1; else res = c - 48; while ((c = getchar()) >= '0' && c <= '9') res = (res << 3) + (res << 1) + (c - 48); if (bo) res = ~res + 1; } const int N = 1e6 + 5; int n, top, stk[N]; long long h[N], cur, cnt, ans[N]; bool is[N]; int main() { read(n); for (int i = 1; i <= n; i++) read(h[i]); cur = h[1]; for (int i = 2; i <= n; i++) { cur = h[i] - (h[i - 1] - cnt); cnt = 0; while (top && cur > 1) if (i - stk[top] + 1 <= cur) cur -= i - stk[top] + 1, cnt += i - stk[top], top--; else { stk[top] += cur - 1; cnt += cur - 1; cur = 1; break; } if (!top && (cnt += cur / i * (i - 1), cur %= i) > 1) stk[++top] = cur, cnt += cur - 1, cur = 1; if (!cur) stk[++top] = i; } for (int i = 1; i <= top; i++) is[stk[i]] = 1; ans[n] = h[n] - cnt; for (int i = n - 1; i >= 1; i--) ans[i] = ans[i + 1] - (!is[i + 1]); for (int i = 1; i <= n; i++) printf("%lld ", ans[i]); return puts(""), 0; }
2,400
CPP
#include <bits/stdc++.h> using namespace std; inline void reads(string& x) { char kk[((int)2e5 + 123)]; scanf("%s", kk); x = kk; } long long ans, n, m, l, r, d; vector<long long> sum[10]; void solve() { scanf("%lld %lld", &n, &m); if (m > n || m % 10 == 0) { printf("0\n"); return; } l = m; r = (n / m) * m; d = (r - l) / m + 1; m = m % 10; ans = (d / (long long)sum[m].size()) * sum[m].back(); d = d % sum[m].size(); if (d) ans += sum[m][d - 1]; printf("%lld\n", ans); } int main() { ios_base::sync_with_stdio(0); for (int i = 1, tam; i < 10; i++) { tam = 0; for (int j = 1; j < 100; j++) { if (j % i == 0) { sum[i].emplace_back(j % 10); if (tam) sum[i][tam] += sum[i][tam - 1]; tam++; if (j % 10 == 0) break; } } } int t = 1; scanf("%d", &t); for (int caso = 1; caso <= t; caso++) { solve(); } }
1,200
CPP
s=input() s=s.lower() for c in s: if(c not in {'a','e','i','o','u','y'}): print('.'+c,end="")
1,000
PYTHON3
for _ in range(int(input())): n = int(input()) m = 0 ans = [] while n > 0: rest = n % 10 if rest > 0: ans.append(rest*10**m) n -= rest else: n //= 10 m += 1 print(len(ans)) print(*ans)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; template <typename T> void _dbg(char const* s, const T& t) { cout << s << "=" << t << endl; } template <typename T, typename... TA> void _dbg(char const* s, const T& t, const TA&... ta) { while (*s != ',') cout << *s++; cout << "=" << t << ","; _dbg(s + 1, ta...); } template <typename T1, typename T2> ostream& operator<<(ostream& os, const pair<T1, T2>& p) { return os << "{" << p.first << "," << p.second << "}"; } template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) { os << "{"; for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) os << ","; os << *it; } return os << "}"; } template <typename T1, typename T2> ostream& operator<<(ostream& os, const map<T1, T2>& mp) { os << "{"; for (auto it = mp.begin(); it != mp.end(); ++it) { if (it != mp.begin()) os << ","; os << *it; } return os << "}"; } template <typename T> ostream& operator<<(ostream& os, const set<T>& s) { os << "{"; for (auto it = s.begin(); it != s.end(); ++it) { if (it != s.begin()) os << ","; os << *it; } return os << "}"; } template <typename T> ostream& operator<<(ostream& os, const multiset<T>& s) { os << "{"; for (auto it = s.begin(); it != s.end(); ++it) { if (it != s.begin()) os << ","; os << *it; } return os << "}"; } template <size_t N> ostream& operator<<(ostream& os, const bitset<N>& bs) { os << "{"; for (size_t i = 0; i < N; ++i) { cout << bs[i]; } return os << "}"; } using ll = long long; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; using namespace std; struct S { ll first; ll second; ll third; }; void solve() { string str; cin >> str; cout << '0' << " "; if (str.size() == 1) return; for (int i = 1; i < str.size() - 1; ++i) if (str[i] != str[i + 1]) cout << '1' << " "; else cout << '0' << " "; if (str.back() == 'b' && str.size() > 1) cout << 0; else cout << '1'; } int main() { solve(); return 0; }
1,500
CPP
#include <bits/stdc++.h> using namespace std; int sad = 0; int* visited; vector<int>* adj; void dfs(int curr, int prev) { visited[curr] = 1; for (auto& e : adj[curr]) { if (e == prev) continue; if (visited[e]) sad++; else dfs(e, curr); } } int main() { int n, k; cin >> n >> k; visited = new int[n]; memset(visited, 0, n * sizeof(int)); adj = new vector<int>[n]; unordered_set<string> chk; int dups = 0; for (int i = 0; i < k; i++) { int a, b; scanf("%d%d", &a, &b); int tmp = min(a, b); int tmp2 = max(a, b); string key = to_string(tmp) + to_string(tmp2); if (chk.count(key)) { dups++; continue; } chk.insert(key); adj[a - 1].push_back(b - 1); adj[b - 1].push_back(a - 1); } for (int i = 0; i < n; i++) { if (visited[i]) continue; dfs(i, -1337); } cout << sad / 2 + dups; }
1,700
CPP
t = int(input()) while t>0: n = int(input()) a = list(map(int,input().split())) fin = False ind = 0 for i in range(n): if a[i]%2 == 0: fin = True ind=i break if fin: print('1') print(ind+1) elif n>=2: print('2') print('1 2') else: print('-1') t-=1
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int n; int main() { int s[100], r[100], h[100], c[100]; bool f[100]; cin >> n; for (int i = 0; i < n; i++) { cin >> s[i] >> r[i] >> h[i] >> c[i]; f[i] = 1; } for (int i = 0; i < n; i++) for (int j = 0; j < n; j++) if ((s[i] < s[j]) && (r[i] < r[j]) && (h[i] < h[j])) f[i] = 0; int i1 = 0; for (; f[i1] == 0; i1++) ; for (int i = i1; i < n; i++) if (f[i] && (c[i] < c[i1])) i1 = i; cout << i1 + 1; return 0; }
1,000
CPP
#include <bits/stdc++.h> using namespace std; long long M = 1000000007; int n, a, b; long long w = 1; int cel[200001]; long long ilm[200001]; int o[200001]; vector<int> s[200001]; void DFS(int v) { o[v] = 1; if (!o[cel[v]] && cel[v]) DFS(cel[v]); else if (o[cel[v]] == 1 && cel[v] != v) { w *= 2; w %= M; } o[v] = 2; } void DFS2(int v) { ilm[v] = 1; for (int i = 0; i < s[v].size(); i++) DFS2(s[v][i]); for (int i = 0; i < s[v].size(); i++) ilm[v] += ilm[s[v][i]]; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n; for (int i = 0; i < n; i++) { cin >> a >> b; cel[a] = b; s[b].push_back(a); } for (int i = 1; i <= 2 * n; i++) if (!o[i] && cel[i] && cel[i] != i) DFS(i); for (int i = 1; i <= 2 * n; i++) { if (s[i].size() && !cel[i]) { DFS2(i); w *= ilm[i]; w %= M; } } cout << w; return 0; }
2,100
CPP
k2,k3,k5,k6=map(int,input().split()) min1=min(k2,k5,k6) ans1=256*min1 k2=k2-min1 k5=k5-min1 k6=k6-min1 min2=min(k2,k3) ans2=32*min2 print(ans1+ans2)
800
PYTHON3
n=int(input()) a=list(map(int,input().split())) s=sum(a) s=s/n if s%1!=0: print("0") exit() else: l=[] g=0 for i in range(n): if a[i]==s: g=g+1 l.append(i+1) print(g) for i in range(g): print(l[i],end=" ")
1,200
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long N = 1e2 + 7; int n, a, b, cnt; string s; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> a >> b; cin >> s; for (int i = 0; i < n; i++) { if (!a && !b) break; if (s[i] == '.') { if (a > b) { if (s[i - 1] != 'A') s[i] = 'A', a--; else if (b && s[i - 1] != 'B') s[i] = 'B', b--; else --cnt; ++cnt; } else { if (s[i - 1] != 'B') s[i] = 'B', b--; else if (a && s[i - 1] != 'A') s[i] = 'A', a--; else --cnt; ++cnt; } } } cout << cnt; }
1,300
CPP
a,b = map(int,input().split()) if b == 1 and a == 1: print(1,0) elif a == 1 and b != 1: print(1,int((b-1)/2)) elif a != 1 and b == 1: print(1,int((a-1)/2)) elif a > b: c = b d = int((a - b)/2) print(c,d) else: c = a d = int((b - a)/2) print(c,d)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; const int MAXN = (int)1e6 + 10; const int MOD = 998244353; pair<ll, int> dp[MAXN][10]; void precalc() { for (int n = 10; n < MAXN; n++) { string s = to_string(n); int big = *max_element(s.begin(), s.end()) - '0'; for (int d = 0; d < 10; d++) { int best = max(big, d); dp[n][d].first = 1 + dp[n - best][d].first; dp[n][d].second = best + dp[n - best][d].second; } } } ll go(ll n) { ll ans = 0; if (n == 0) return 0; while (n > MAXN) { ll high = n; int c = 0; string s; while (s.size() < 6) { s += (high % 10) + '0'; high /= 10; } reverse(s.begin(), s.end()); ll low = stoll(s); string S = to_string(high); ll best = *max_element(S.begin(), S.end()) - '0'; if (!low) { ans++; n -= best; continue; } int steps = dp[low][best].first; ll nxt = n - dp[low][best].second; ll nxt_step = max(nxt % 10, best); ans += 1 + steps; n = nxt - nxt_step; } ans += 1 + dp[n][0].first; return ans; } int main() { ios_base::sync_with_stdio(false); ll n; cin >> n; precalc(); cout << go(n) << '\n'; return 0; }
2,400
CPP
for _ in range(int(input())): a,b,c=map(int,input().split()) ans=[] if(a<c): ans.append(1) else: ans.append(-1) if(b*a>c): ans.append(b) else: ans.append(-1) print(*ans)
1,000
PYTHON3
I=lambda:map(int,input().split()) n,c=I() a,b=[],[] for _ in range(n):x,y=I();a.append(x);b.append(y) if max(a)==0:print([0,-1][n==c]);exit() def f(x): r=0 for i in range(n): r+=1+a[i]*x//b[i] if r>c:break return r l=-1 r=10**18 while l<r-1: m=(l+r)//2 if f(m)<c:l=m else:r=m L=r l=-1 r=10**18 while l<r-1: m=(l+r)//2 if f(m)<=c:l=m else:r=m while f(r)>c:r-=1 if r<1:r=1 if L<1:L=1 if f(r)!=c:print(0) else:print(r-L+1)
1,900
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long mod = 998244353; const int N = 1e6 + 5; long long n, pw[N]; int t = 3; void Solve() { pw[n + 1] = 1; for (long long i = n; i >= 3; i--) pw[i] = (pw[i + 1] * i) % mod; long long res = 0; res = (pw[3] * (n - 1)) % mod; for (long long i = n - 2; i >= 1; i--) { res = res + ((pw[t + 1] * (t - 1)) % mod * i) % mod; t++; } cout << (res + 1) % mod << '\n'; } int main() { cin >> n; Solve(); return 0; }
1,700
CPP
a,b,c,d,e,f,g,h=map(int,input().split()) v1=int(b*c/g) v2=d*e v3=int(f/h) a1=min(v1,v2,v3) ans=int(a1/a) print(ans)
800
PYTHON3
from collections import defaultdict t = int(input()) for test in range(t): s = input() # n = len(s) m = int(input()) b = list(map(int,input().split())) count = defaultdict(int) for i in s: count[i] += 1 order = sorted(list(set(s))) while b.count(0)!=0: pos = [] req = b.count(0) while count[order[-1]]<req: order.pop() for i in range(m): if b[i]==0: pos.append(i) b[i] = order[-1] order.pop() for i in range(m): if str(b[i]).isdigit(): for j in pos: b[i] -= abs(i-j) print("".join(b))
1,800
PYTHON3
k2, k3, k5, k6 = map(int, input().split()) k5 = min(k5, k6) if k2 >= k3 + k5: print(k5 * 256 + k3 * 32) elif k2 >= k5: print(k5 * 256 + (k2 - k5) * 32) else: print(256 * k2)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long N = 2e5 + 5, mod = 1e9 + 7; struct edge { long long to, next; } e[N << 1]; long long po[N] = {1}, vis[N], dfn[N]; long long tot, head[N], az, ans = 1, n, m, a; inline void add(long long u, long long v) { e[++tot] = (edge){v, head[u]}; head[u] = tot; } inline long long read() { char c = getchar(); long long fh = 0; while (!isdigit(c)) c = getchar(); while (isdigit(c)) fh = (fh << 1) + (fh << 3) + (c ^ 48), c = getchar(); return fh; } void dfs(long long u, long long d) { dfn[u] = d; vis[u] = 1; for (long long i = head[u]; i; i = e[i].next) { long long v = e[i].to; if (!vis[v]) dfs(v, d + 1); else if (vis[v] == 1) az = dfn[u] - dfn[v] + 1, ans = (ans * (po[az] - 2 + mod)) % mod, m -= az; } vis[u] = 2; } signed main() { n = m = read(); for (long long i = 1; i <= n; ++i) po[i] = (po[i - 1] << 1) % mod; for (long long i = 1; i <= n; ++i) a = read(), add(i, a); for (long long i = 1; i <= n; ++i) if (!vis[i]) { az = 0; dfs(i, 0); } ans = (ans * po[m]) % mod; cout << ans; }
1,900
CPP
#include <bits/stdc++.h> using namespace std; const int N = 300000 + 10; long long a[N]; long long sum[N]; int last[N]; map<long long, int> Map; map<long long, int> L; map<long long, int> B; int main() { srand(time(0)); int n, i; scanf("%d", &n); for (i = 1; i <= n; ++i) { scanf("%I64d", &a[i]); L[a[i]] = i; Map[a[i]]++; if (Map[a[i]] == 1) B[a[i]] = i; } sum[0] = 0; for (i = 1; i <= n; ++i) sum[i] = sum[i - 1] + (a[i] >= 0 ? a[i] : 0); long long ans = -0x1f1f1f1f1f1f1f1fLL; pair<int, int> mark; for (map<long long, int>::iterator e = Map.begin(); e != Map.end(); ++e) if (e->second >= 2) { long long tmp = sum[L[e->first] - 1] - sum[B[e->first]] + 2 * a[L[e->first]]; if (tmp > ans) { ans = tmp; mark = make_pair(B[e->first], L[e->first]); } } int cnt = 2; for (i = mark.first + 1; i < mark.second; ++i) if (a[i] >= 0) cnt++; printf("%I64d %d\n", ans, n - cnt); for (i = 1; i < mark.first; ++i) printf("%d ", i); for (i = mark.first + 1; i < mark.second; ++i) if (a[i] < 0) printf("%d ", i); for (i = mark.second + 1; i <= n; ++i) printf("%d ", i); puts(""); return 0; }
1,500
CPP
t=int(input()) m=[] for i in range(t): n=int(input()) m.append([str(j) for j in range(1,n+1)]) if n>1: m[i][1]=m[i][n-1] m[i][n-1]='2' for i in range(t): print(' '.join(m[i]))
800
PYTHON3
read = lambda: [int(i) for i in input().split()] t = int(input()) for _ in range(t): x, y = read() print('YES' if x - y > 1 else 'NO')
900
PYTHON3
t = int(input()) for i in range(t): n = int(input()) a = list(map(int, input().split())) l = list(map(int, input().split())) s = [] out = [10**6] * n for i in range(n): if l[i]: out[i] = a[i] else: s.append(a[i]) s.sort() for i in range(n): if out[i] == 10**6: out[i] = s.pop() print(' '.join(map(str,out)))
1,300
PYTHON3
w=input() w=list(w) if w[0].islower(): w[0]=w[0].upper() print(''.join(w))
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int gcd(int a, int b) { if (b == 0) return a; return gcd(b, a % b); } int main(void) { int tt; cin >> tt; while (tt--) { string str; cin >> str; int ls = str.length(); vector<int> f; vector<int> c; f.push_back(str[0] - '0'); c.push_back(1); int sz = 1; for (int i = 1; i < ls; i++) if (str[i] == str[i - 1]) { c[sz - 1]++; } else { f.push_back(str[i] - '0'); c.push_back(1); sz++; } if (sz <= 2) { cout << 0 << endl; continue; } auto t0 = vector<int>(sz, 0); auto t1 = vector<int>(sz, 0); t0[0] = f[0] == 0 ? 0 : c[0]; t1[0] = f[0] == 1 ? 0 : c[0]; for (int i = 1; i < sz; i++) { t0[i] = t0[i - 1] + (f[i] == 0 ? 0 : c[i]); t1[i] = t1[i - 1] + (f[i] == 1 ? 0 : c[i]); } auto a0 = vector<int>(sz, 0); auto a1 = vector<int>(sz, 0); a0[sz - 1] = f[sz - 1] == 0 ? 0 : c[sz - 1]; a1[sz - 1] = f[sz - 1] == 1 ? 0 : c[sz - 1]; for (int i = sz - 2; i >= 0; i--) { a0[i] = a0[i + 1] + (f[i] == 0 ? 0 : c[i]); a1[i] = a1[i + 1] + (f[i] == 1 ? 0 : c[i]); } int min_t = min(t0[sz - 1], t1[sz - 1]); for (int i = 0; i < sz; i++) { int aa = t0[i] + (i + 1 < sz ? a1[i + 1] : 0); int bb = t1[i] + (i + 1 < sz ? a0[i + 1] : 0); min_t = min(min_t, min(aa, bb)); } cout << min_t << endl; } return 0; }
1,400
CPP
#include <bits/stdc++.h> static const int MAXN = 1e5 + 4; int n, m, k, q; int par[MAXN]; int taken[MAXN]; std::vector<int> ch[MAXN]; int start[MAXN], end[MAXN]; inline void dfs(int u) { static int epoch = 0; start[u] = epoch++; for (std::vector<int>::iterator v = ch[u].begin(); v != ch[u].end(); ++v) dfs(*v); end[u] = epoch; } inline bool subtree_contains(int u, int v) { return (start[v] >= start[u] && start[v] < end[u]); } int main() { scanf("%d%d%d%d", &n, &m, &k, &q); for (int i = 0; i < n; ++i) par[i] = -1; for (int i = 0; i < m; ++i) taken[i] = -1; int u, v; for (int i = 0; i < k; ++i) { scanf("%d%d", &u, &v); --u, --v; if (taken[v] != -1) { par[u] = taken[v]; ch[taken[v]].push_back(u); } taken[v] = u; } for (int i = 0; i < n; ++i) if (par[i] == -1) dfs(i); for (int i = 0; i < q; ++i) { scanf("%d%d", &u, &v); --u, --v; if (taken[v] == -1) puts("0"); else { if (subtree_contains(u, taken[v])) printf("%d\n", end[u] - start[u]); else puts("0"); } } return 0; }
2,700
CPP
# cook your dish here def countDistinct(arr, n): arrr=0 ar=[] for elem in arr: if elem not in ar: arrr+=1 ar.append(elem) return arrr n=int(input()) x=[] y=[] for i in range(n): a,b=map(int,input().split()) x.append(a) y.append(b) print(min(countDistinct(x,n),countDistinct(y,n)))
0
PYTHON3
#include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f3f; const int maxn = 210; int d[maxn][maxn], di[maxn][maxn]; int rk[maxn][maxn]; int main() { int n, m, a, b, c; scanf("%d%d", &n, &m); for (int i = 1; i <= n; i++) { d[i][i] = 0; di[i][i] = 0; for (int j = i + 1; j <= n; j++) { di[i][j] = di[j][i] = inf; d[i][j] = d[j][i] = inf; } } for (int i = 0; i < m; i++) { scanf("%d%d%d", &a, &b, &c); d[a][b] = d[b][a] = c; di[a][b] = di[b][a] = c; } for (int k = 1; k <= n; k++) { for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { d[i][j] = min(d[i][j], d[i][k] + d[k][j]); } } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) rk[i][j] = j; for (int j = 1; j <= n; j++) { for (int k = j + 1; k <= n; k++) { if (d[i][rk[i][j]] > d[i][rk[i][k]]) { swap(rk[i][j], rk[i][k]); } } } } int ans = inf; for (int u = 1; u <= n; u++) { for (int v = 1; v <= n; v++) if (u != v) { ans = min(ans, d[u][rk[u][n]] << 1); ans = min(ans, d[v][rk[v][n]] << 1); for (int cmp = n, i = n - 1; i >= 1; i--) { if (d[v][rk[u][i]] > d[v][rk[u][cmp]]) { ans = min(ans, d[u][rk[u][i]] + d[v][rk[u][cmp]] + di[u][v]); cmp = i; } } } } printf("%lf\n", (double)ans / 2); return 0; }
2,400
CPP
def solve(n): # if n == 2: # print("NO") # return if (n // 2) % 2 == 1: print("NO") return else: res = [] for i in range(0, n // 2): res.append((i+1)*2) for i in range(0, n // 2): res.append((i + 1) * 2 - 1) res[n - 1] = res[n - 1] + (n // 2) print("YES") print(" ".join(map(str, res))) t = int(input()) for i in range(0, t): n = int(input()) solve(n)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 70 + 5, M = 1e5 + 5; const long long INF = 1e18 + 5; inline long long read() { long long sum = 0, fh = 1; char c = getchar(); while (c < '0' || c > '9') { if (c == '-') fh = -1; c = getchar(); } while (c >= '0' && c <= '9') { sum = sum * 10 + c - '0'; c = getchar(); } return sum * fh; } inline int read2() { char c = getchar(); while (c < '0' || c > '9') { c = getchar(); } return c - '0'; } inline void write(long long x) { if (x < 0) putchar('-'), x = -x; if (x > 9) write(x / 10); putchar(x % 10 + '0'); } inline int gcd(int x, int y) { return y == 0 ? x : gcd(y, x % y); } inline long long ab(long long x) { return x < 0 ? -x : x; } inline long long fpow(long long qwe, long long asd, long long zxc) { long long a = qwe, b = 1, c = asd; while (c) { if (c & 1) b = b * a % zxc; a = a * a % zxc; c >>= 1; } return b; } struct miaow { int f, t, c, l; miaow(int f = 0, int t = 0, int c = 0, int l = 0) : f(f), t(t), c(c), l(l) {} } imap[N * 2 + 5]; int str[N * 2 + 5] = {0}, cou = 1; inline void jb(int f, int t, int c) { imap[cou] = miaow(f, t, c, str[f]); str[f] = cou++; imap[cou] = miaow(t, f, c, str[t]); str[t] = cou++; } int dp[N][N][N]; int main() { int n = read(), m = read(), m2 = m / 2, k = read(); for (int a = 0; a <= m2; ++a) { for (int b = 0; b < k; ++b) { dp[1][a][b] = -1e9; } } dp[1][0][0] = 0; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { int x = read(); int x2 = x / k, x3 = x % k; for (int a = 0; a <= m2; ++a) { for (int b = 0; b < k; ++b) { dp[j + 1][a][b] = dp[j][a][b]; } } for (int a = 0; a < m2; ++a) { for (int b = 0; b < k; ++b) { dp[j + 1][a + 1][(b + x3) % k] = max(dp[j + 1][a + 1][(b + x3) % k], dp[j][a][b] + x2 + ((b + x3) >= k ? 1 : 0)); } } } for (int a = 0; a <= m2; ++a) { for (int b = 0; b < k; ++b) { dp[1][a][b] = -1e9; } } for (int a = 0; a <= m2; ++a) { for (int b = 0; b < k; ++b) { dp[1][0][b] = max(dp[1][0][b], dp[m + 1][a][b]); } } } cout << dp[1][0][0] * k << endl; }
2,100
CPP
#include <bits/stdc++.h> using namespace std; bool comp(const pair<long long, long long>& i, const pair<long long, long long>& j); int main() { int n, i, j; long long x, a, sum; vector<pair<long long, long long> > neg, pos; while (cin >> n) { for (i = 0; i < n; i++) { cin >> x >> a; if (x > 0) pos.push_back(pair<long long, long long>(x, a)); else neg.push_back(pair<long long, long long>(x * (-1), a)); } sort(pos.begin(), pos.end(), comp); sort(neg.begin(), neg.end(), comp); i = pos.size(); j = neg.size(); sum = 0; int c = 0; while (c < min(i, j)) { sum += pos[c].second; sum += neg[c].second; c++; } if (i > j) sum += pos[c].second; else if (j > i) sum += neg[c].second; cout << sum << endl; pos.clear(); neg.clear(); } return 0; } bool comp(const pair<long long, long long>& i, const pair<long long, long long>& j) { return i.first < j.first; }
1,100
CPP
# problem link : https://codeforces.com/problemset/problem/231/A no_problem = int(input()) no_sol = 0 while no_problem != 0: x,y,z = map(int,input().split()) if x==y==1 or y==z==1 or z==x==1: no_sol +=1 no_problem -= 1 print(no_sol)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; struct node { long long su, id; } a[1000003]; long long n, x, y, vis[1000003], ans, fa[1000003], fv, siz[1000003]; vector<long long> l[1000003]; long long cmp(node nx, node ny) { return nx.su < ny.su; } long long find(long long x1) { while (fa[x1] != x1) fa[x1] = fa[fa[x1]], x1 = fa[x1]; return x1; } void f(long long x1, long long sum) { for (long long j = 0; j < l[x1].size(); j++) { fv = find(l[x1][j]); if (vis[fv] == 0) continue; ans += siz[fv] * siz[x1] * sum, siz[x1] += siz[fv], fa[fv] = x1; } } signed main() { scanf("%d", &n); for (long long i = 1; i <= n; i++) { a[i].id = i, fa[i] = i, siz[i] = 1; scanf("%d", &a[i].su); } for (long long i = 1; i < n; i++) { scanf("%d%d", &x, &y); l[x].push_back(y), l[y].push_back(x); } sort(a + 1, a + n + 1, cmp); for (long long i = 1; i <= n; i++) { f(a[i].id, a[i].su); vis[a[i].id] = 1, a[i].su *= -1; } for (long long i = 1; i <= n; i++) fa[i] = i, siz[i] = 1, vis[i] = 0; for (long long i = n; i >= 1; i--) { f(a[i].id, a[i].su); vis[a[i].id] = 1; } cout << ans; return 0; }
2,400
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int A[n]; int max = 0; int min = 0; int x = 0; for (int i = 0; i < n; i++) { cin >> A[i]; if (A[i] < A[min]) min = i; if (A[i] > A[max]) max = i; } for (int i = 0; i < n; i++) { if (A[i] < A[max] && A[i] > A[min]) x++; } cout << x << endl; }
900
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 200000 + 10; int x[maxn]; vector<int> R, J; int main() { int n, m, s, d; while (~scanf("%d%d%d%d", &n, &m, &s, &d)) { for (int i = 0; i < n; i++) scanf("%d", &x[i]); if (n == 0) { printf("RUN %d\n", m); continue; } sort(x, x + n); R.clear(); J.clear(); if (x[0] - 1 < s) printf("IMPOSSIBLE\n"); else { R.push_back(x[0] - 1); bool pos = true; int j; for (int i = 0; i < n && pos; i = j + 1) { bool ok = false; for (j = i; j < n; j++) { if (x[j] + 1 - (x[i] - 1) > d) break; if (j == n - 1) { ok = true; J.push_back(x[j] + 1 - (x[i] - 1)); if (x[j] + 1 < m) R.push_back(m - (x[j] + 1)); break; } else if (x[j + 1] - 1 - (x[j] + 1) >= s) { ok = true; J.push_back(x[j] + 1 - (x[i] - 1)); R.push_back(x[j + 1] - 1 - (x[j] + 1)); break; } } if (!ok) { pos = false; break; } } if (!pos) printf("IMPOSSIBLE\n"); else { for (int i = 0; i < J.size(); i++) printf("RUN %d\nJUMP %d\n", R[i], J[i]); if (R.size() > J.size()) printf("RUN %d\n", R.back()); } } } return 0; }
1,600
CPP
#include <bits/stdc++.h> struct ura { int x, y, z; }; bool operator<(ura a, ura b) { if (a.z != b.z) return (a.z < b.z); else if (a.x != b.x) return (a.x < b.x); else return (a.y < b.y); } using namespace std; int i, j, d, k, q, c, e, f, a, b, n, t, arr3[200066][3]; ura arr[200066], arr2[200066]; int main() { scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d%d", &a, &b); arr[i].x = a; arr[i].y = b; arr[i].z = (b - a); } for (i = 0; i < n; i++) { scanf("%d", &t); arr2[i].x = i; arr2[i].z = t; } sort(arr, arr + n); sort(arr2, arr2 + n); for (i = 0; i < n; i++) if (arr[i].z != arr2[i].z) f = 1; if (f == 1) printf("NO"); else { f = 0; for (i = 0; i < n; i++) { arr3[arr2[i].x][0] = arr[i].x; arr3[arr2[i].x][1] = arr[i].y; } for (i = 0; i < n; i++) { if (i > 0) if (arr3[i][0] <= arr3[i - 1][0] && arr3[i][1] <= arr3[i - 1][1]) f = 1; } if (!f) { printf("YES\n"); for (i = 0; i < n; i++) printf("%d %d\n", arr3[i][0], arr3[i][1]); } else printf("NO"); } }
1,700
CPP
ones = "1111111" zeros = "0000000" m = input() if ones in m or zeros in m: print('YES') else: print('NO')
900
PYTHON3
for _ in range(int(input())): n=int(input()) a=list(map(int,input().split())) a1=[] a2=[] for i in range(0,n-1,2): a1.append(a[i+1]-a[i]) for i in range(1,n-1,2): a2.append(a[i]-a[i+1]) ans=0 tot=0 for i in range(len(a1)): tot+=a1[i] if tot<0: tot=0 ans=max(ans,tot) tot=0 for i in range(len(a2)): tot+=a2[i] if tot < 0: tot = 0 ans=max(ans,tot) tot=0 for i in range(0,n,2): tot+=a[i] print(tot+ans)
1,600
PYTHON3
t=int(input()) for i in range(t): s=list(input()) l=len(s) ans="" flag=-1 ans=''.join(s) if ans[::-1]!=ans: print(ans) continue if l%2==0: for j in range(1,l): if s[j]!=s[j-1]: flag=0 tm=s[j] s[j]=s[j-1] s[j-1]=tm break else: tmp=s[l//2] for j in range(1,l): if s[j]!=s[j-1] and j!=l//2 and j!=l//2+1: flag=0 tm=s[j] s[j]=s[j-1] s[j-1]=tm break elif s[j]!=tmp and j!=l//2: s[l//2]=s[j] s[j]=tmp break ans=''.join(s) if ans[::-1]!=ans: print(ans) else: print(-1)
900
PYTHON3
a=list(map(int,input().split())) b=[] c=[] s=a[0] for i in range(a[1]): l,m=input().split() b.append(int(l)) c.append(int(m)) count=a[1] for i in range(a[1]): if s<=min(b): print('NO') break else: d=b.index(min(b)) s+=c[d] del b[d] del c[d] count-=1 if count==0: print('YES')
1,000
PYTHON3
#include <bits/stdc++.h> using namespace std; using ii = pair<long long int, long long int>; class prioritize { public: bool operator()(ii &p1, ii &p2) { return p1.first < p2.first; } }; bool checker(long long int x, long long int n, long long int s) { if (x <= s - n) return true; else return false; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long int n; cin >> n; long long int arr[n]; for (long long int i = 0; i < n; i++) { cin >> arr[i]; } sort(arr, arr + n); long long int p1 = 0, p2 = 0, cnt = 0; while (p1 < n && p2 < n) { if (arr[p1] == arr[p2]) { p2++; continue; } if (arr[p2] > arr[p1]) { cnt++; p1++; p2++; } else p2++; } cout << cnt << "\n"; }
1,300
CPP
#include <bits/stdc++.h> using namespace std; int main() { int i, n, m, a, pos = 1; long long int s = 0; cin >> n >> m; for (i = 0; i < m; i++) { cin >> a; if (a >= pos) s += 1ll * (a - pos); else s += 1ll * (n + a - pos); pos = a; } cout << s << endl; return 0; }
1,000
CPP
a = list(map(int, input().split(' '))) best = 0 for i in range(len(a)): c = a[i] aa = a.copy() aa[i] = 0 p = int(c/14) m = c % 14 aaa = [aa[j] + p for j in range(14)] for j in range(m): aaa[(i + j + 1) % 14] += 1 sum = 0 for j in range(14): if(aaa[j]%2 == 0): sum += aaa[j] if sum > best: best = sum print(best)
1,100
PYTHON3
import math,sys,bisect,heapq from collections import defaultdict,Counter,deque from itertools import groupby,accumulate #sys.setrecursionlimit(200000000) int1 = lambda x: int(x) - 1 #def input(): return sys.stdin.readline().strip() input = iter(sys.stdin.buffer.read().decode().splitlines()).__next__ ilele = lambda: map(int,input().split()) alele = lambda: list(map(int, input().split())) ilelec = lambda: map(int1,input().split()) alelec = lambda: list(map(int1, input().split())) def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] #MOD = 1000000000 + 7 def Y(c): print(["NO","YES"][c]) def y(c): print(["no","yes"][c]) def Yy(c): print(["No","Yes"][c]) n,p = ilele() if p == 0: print(0) exit(0) G = defaultdict(list) P= defaultdict(set) def addEdge(a,b,c): G[a].append(b) G[b].append(a) P[a].add(c) P[b].add(c) vis = [False]*(n+1) def dfs(node): Ans = [] vis[node] = True s = deque() mini = 1e9 s.append(node) while s: x = s.pop() Ans.append(x) if P[x]: mini = min(mini,min(P[x])) for i in G.get(x,[]): if not vis[i]: s.append(i) vis[i] = True return Ans,mini tap = set() tank = set() for i in range(p): a,b,c = ilele() addEdge(a,b,c) tap.add(b) tank.add(a) #print(tank,tap,G) Ans2 = [] for i in range(1,n+1): if not vis[i]: Ans,mini = dfs(i) t1 = t2 = None for j in Ans: x = j in tap y = j in tank if x^y: if x: t1 = j else: t2 = j if t1 and t2 and mini != None: Ans2.append((t2,t1,mini)) print(len(Ans2)) Ans2.sort() if Ans2: for i,j,k in Ans2: print(i,j,k)
1,400
PYTHON3
inp=input li=list iinp=lambda : int(inp()) ent=lambda : map(int,inp().split()) lient=lambda : [int(i) for i in inp().split()] li0= lambda x: [0 for i in range(x)] stent=lambda : [i for i in inp()] s,v1,v2,t1,t2=ent() primero=s*v1+t1*2 segundo=s*v2+t2*2 if primero<segundo: print("First") elif segundo<primero:print("Second") else: print("Friendship")
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 107; const int MX = 1e9 + 7; const long long int INF = 1e18 + 9LL; int n; int res; int val[N]; int cnt[N]; bitset<N> dp[N][N * N]; void countDp(vector<int> &cur, int v, int cntv) { int m = v * cntv; for (int i = 1; i <= (int)cur.size(); ++i) for (int j = 0; j <= m; ++j) dp[i][j].reset(); dp[0][0][0] = true; for (int i = 0; i < (int)cur.size(); ++i) { for (int j = 0; j + cur[i] <= m; ++j) dp[i + 1][j + cur[i]] |= (dp[i][j] << 1); for (int j = 0; j <= m; ++j) dp[i + 1][j] |= dp[i][j]; } for (int i = 1; i <= cntv; ++i) if (!dp[cur.size()][i * v][i]) res = max(res, i); else break; } int main() { scanf("%d", &n); int diff = 0; for (int i = 1; i <= n; ++i) { scanf("%d", &val[i]); cnt[val[i]]++; if (cnt[val[i]] == 1) ++diff; } if (diff <= 2) { printf("%d\n", n); return 0; } for (int i = 1; i <= 100; ++i) { if (cnt[i] == 0) continue; vector<int> t; for (int j = 1; j <= n; ++j) if (val[j] != i) t.push_back(val[j]); countDp(t, i, cnt[i]); } printf("%d\n", res); return 0; }
2,100
CPP
import random t = int(input()) for _ in range(t): n = int(input()) a = list(map(int, input().split())) a.sort(reverse = True) print(*a)
1,000
PYTHON3
n = int(input()) l = list(map(int,input())) ans = 0 for i in range(n): if l[i]%2==0: ans += i + 1 print(ans)
800
PYTHON3
t=int(input()) for i in range(t): n=int(input()) s=input() b=[] for j in s: b.append(j) j=0 f=0 ans=0 while(j<n): if b[j]=="-" or b[(j+1)%n]=="-": ans+=1 j+=1 if b.count(">")==0 or b.count("<")==0: print(n) else: print(ans)
1,200
PYTHON3
n=int(input()) s=input() i=0 ans=0 lst=[] while i<n: cnt=0 while i<n and s[i]=="B": cnt+=1 i+=1 if cnt>0: lst.append(cnt) ans+=1 i-=1 i+=1 print(ans) for num in lst: print(num,end=" ")
800
PYTHON3