Submission #1005400

#	Time	Username	Problem	Language	Result	Execution time	Memory
1005400		vjudge1	무제 (POI11_imp)	C++17	0 / 100	3062 ms	1628 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
ll n,m;
vector<ll>v[3005];
bitset<3005>curr,mat[3005],vis;
ll cnt=0;
void rec(ll x){
    if(x==n/3){
        for(int i=0;i<3005;i++){
            if(curr[i]==1) co i<<' ';
        }
        exit(0);
    }
    ll num=rand()%n+1;
    while(vis[num]||v[num].size()<n/3-2||(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;
}

Compilation message (stderr)

imp.cpp: In function 'void rec(long long int)':
imp.cpp:22:34: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   22 |     while(vis[num]||v[num].size()<n/3-2||(curr&mat[num])!=curr) num=rand()%n+1;
      |                     ~~~~~~~~~~~~~^~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 9
• Subtask 8: 0 / 9
• Subtask 9: 0 / 9
• Subtask 10: 0 / 9
• Subtask 11: 0 / 10