제출 #1123121

#제출 시각아이디문제언어결과실행 시간메모리
1123121epicci23게임 (IOI14_game)C++20
42 / 100
69 ms2376 KiB
#include "bits/stdc++.h" #include "game.h" #define all(v) v.begin() , v.end() #define sz(a) (int)a.size() using namespace std; const int N = 85; set<int> s[N]; int n,vis[N]; void initialize(int _n){ n=_n; for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ if(i==j) continue; s[i].insert(j); } } } void dfs(int c){ if(vis[c]) return; vis[c]=1; for(int x:s[c]) if(!vis[x]) dfs(x); } bool connected(){ int comp=0; memset(vis,0,sizeof(vis)); for(int i=1;i<=n;i++){ if(vis[i]) continue; comp++; dfs(i); } return comp == 1; } int hasEdge(int u, int v){ u++,v++; s[u].erase(v); s[v].erase(u); if(connected()) return 0; else{ s[u].insert(v); s[v].insert(u); return 1; } } /*void _(){ } int32_t main(){ cin.tie(0); ios::sync_with_stdio(0); int tc=1;//cin >> tc; while(tc--) _(); return 0; }*/
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