Submission #678293

#TimeUsernameProblemLanguageResultExecution timeMemory
678293gesghaNewspapers (CEOI21_newspapers)C++17
0 / 100
1 ms340 KiB
#include <bits/stdc++.h> #define fr(i, a, b) for (int i = a; i <= b; i++) #define rf(i, a, b) for (int i = a; i >= b; i--) #define fe(x, y) for(auto& x : y) #define fi first #define se second #define pb push_back #define all(x) x.begin(), x.end() #define pw(x) (1LL << (x)) #define sz(x) (int)x.size() using namespace std; template <typename T> using ve = vector <T>; template <typename T> bool umx(T& a, T b) {return a < b ? a = b, 1 : 0;} template <typename T> bool umn(T& a, T b) {return a > b ? a = b, 1 : 0;} using ll = long long; using pii = pair <int, int>; using pll = pair <ll, ll>; const int oo = 2e9; const ll OO = 1e18; const int N = 2e3 + 10; int n, m; ve <int> G[N]; int main() { #ifdef LOCAL freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // LOCAL cin.tie(0); ios_base::sync_with_stdio(0); cin >> n >> m; if (n <= m) { cout << "NO\n"; } else { cout << "YES\n"; } return 0; fr(i, 0, m - 1) { int u, v; cin >> u >> v; u--; v--; G[u].pb(v); G[v].pb(u); } cout << "YES\n2\n1 1\n"; return 0; }
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