제출 #1005401

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1005401		vjudge1	Untitled (POI11_imp)	C++17	9 / 100	3075 ms	1884 KiB

Main

#include <bits/stdc++.h>

#define suiii ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define co cout<<
//#pragma GCC optimize("O3,Ofast,unroll-loops")
//#pragma GCC target("avx2,sse3,sse4,avx")
using namespace std;
//stuff
int n,m;
vector<int>v[3005];
bitset<3005>curr,mat[3005],vis;
int cnt=0;
void rec(int x){
    if(x==n/3){
        for(int i=0;i<3005;i++){
            if(curr[i]==1) co i<<' ';
        }
        exit(0);
    }
    int num=rand()%n+1;
    while(vis[num]||(curr&mat[num])!=curr) num=rand()%n+1;
    vis[num]=1;
    curr[num]=1;
    rec(x+1);
    curr[num]=0;
    vis[num]=0;
}
void solve(){
    cin>>n>>m;
    for(int i=0;i<m;i++){
        ll a,b;
        cin>>a>>b;
        mat[a][b]=1;
        mat[b][a]=1;
    }
    while(1) rec(0);
    co vis[5000];
}
int main()
{
    suiii
    int t=1;
    // cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

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• Subtask 4: 9 / 9
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• Subtask 11: 0 / 10