Submission #1099462

#	Time	Username	Problem	Language	Result	Execution time	Memory
1099462		pokmui9909	Povjerenstvo (COI22_povjerenstvo)	C++17	100 / 100	217 ms	44564 KiB

Main

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

#define x first
#define y second

ll N, M, used[500005];
vector<ll> G[500005];

int main(){
    cin.tie(0) -> sync_with_stdio(0);

    cin >> N >> M;
    for(ll i = 1; i <= M; i++){
        ll u, v; cin >> u >> v;
        G[u].push_back(v); G[v].push_back(u);
    }
    vector<ll> R;
    for(ll i = 1; i <= N; i++){
        if(used[i]) continue;
        for(auto v : G[i]){
            used[v] = 1;
        }
        R.push_back(i);
    }
    cout << R.size() << '\n';
    for(auto e : R){
        cout << e << ' ';
    }
}

• Subtask 1: 13 / 13
• Subtask 2: 21 / 21
• Subtask 3: 33 / 33
• Subtask 4: 33 / 33