Submission #1150147

#	Time	Username	Problem	Language	Result	Execution time	Memory
1150147		bilgun	Newspapers (CEOI21_newspapers)	C++20	0 / 100	0 ms	324 KiB

newspapers

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

long long n, m;
vector<vector<long long>> g;
vector<long long> col;

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    cin >> n >> m;
    g.resize(m + 1);
    col.resize(n);
    for( int i = 1; i <= m; i++){
        long long a, b; cin >> a >> b;
        g[a].push_back(b);
        g[b].push_back(a);
    }
    for(auto it : g){
        if(it.size() > 1) {cout << "NO" << endl; return 0;}
    }
    return 0;
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 8
• Subtask 3: 0 / 80