Submission #1005492

#	Time	Username	Problem	Language	Result	Execution time	Memory
1005492		vjudge1	Untitled (POI11_imp)	C++17	100 / 100	309 ms	9428 KiB

Main

#include "bits/stdc++.h"
using namespace std;
using ll = long long;
bool v[3006][3006],r[3006];
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<<" ";
        }
    }
}

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