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Submission #1047580

# Submission time Handle Problem Language Result Execution time Memory
1047580 2024-08-07T14:08:55 Z 12345678 Newspapers (CEOI21_newspapers) C++17
4 / 100
 1 ms 604 KB 
#include <bits/stdc++.h>

using namespace std;

const int nx=1e3+5;

int n, m, u, v, dsu[nx], f;

int find(int x)
{
    if (dsu[x]==x) return x;
    return dsu[x]=find(dsu[x]);
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    for (int i=1; i<=n; i++) dsu[i]=i;
    for (int i=1; i<=m; i++)
    {
        cin>>u>>v;
        if (find(u)==find(v)) f=1;
        dsu[find(u)]=find(v);
    }
    if (f) cout<<"NO";
    else
    {
        cout<<"YES\n";
        cout<<n<<'\n';
        for (int i=1; i<=n; i++) cout<<i<<' ';
    }
}

Subtask #1
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
3 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
4 Partially correct 1 ms 344 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 344 KB Failed to provide a successful strategy.
6 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
7 Correct 0 ms 348 KB Output is correct
8 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
9 Incorrect 0 ms 348 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #2
4.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
3 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
6 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
7 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
8 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
9 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
10 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
11 Partially correct 1 ms 344 KB Failed to provide a successful strategy.
12 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
13 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
14 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
15 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
16 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
17 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
18 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
19 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
20 Partially correct 0 ms 348 KB Failed to provide a successful strategy.

Subtask #3
0.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
3 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
4 Partially correct 1 ms 344 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 344 KB Failed to provide a successful strategy.
6 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
7 Correct 0 ms 348 KB Output is correct
8 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
9 Incorrect 0 ms 348 KB Output isn't correct
10 Halted 0 ms 0 KB -