제출 #1130072

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
11300722024-12-27 04:00:18irmuunMake them Meet (EGOI24_makethemmeet)C++20
57 / 100
1 ms584 KiB
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int n,m;
cin>>n>>m;
vector<int>g[n];
for(int i=0;i<m;i++){
int u,v;
cin>>u>>v;
g[u].pb(v);
g[v].pb(u);
}
int r=-1;
for(int i=0;i<n;i++){
if(g[i].size()==1){
r=i;
break;
}
}
if(r==-1) return 0;
 
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