제출 #1005490

#제출 시각아이디문제언어결과실행 시간메모리
1005490vjudge1무제 (POI11_imp)C++17
27 / 100
31 ms1372 KiB
#include "bits/stdc++.h" using namespace std; using ll = long long; bool v[1006][1006],r[1006]; int main(){ ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); ll n,m; cin>>n>>m; for(int i=0;i<m;i++){ ll x,y; cin>>x>>y; v[x-1][y-1]=1; } for(int i=0;i<n;i++){ if(r[i])continue; for(int j=i+1;j<n;j++){ if(r[j])continue; if(!v[i][j]){ r[i]=1;r[j]=1; break; } } } ll x=n/3; for(int i=0;i<n;i++){ if(x==0)break; if(!r[i]){ x--; cout<<i+1<<" "; } } }
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