oj.uz

Submission #698750

# Submission time Handle Problem Language Result Execution time Memory
698750 2023-02-14T09:18:05 Z Cyanmond Newspapers (CEOI21_newspapers) C++17
4 / 100
 1 ms 212 KB 
#include <bits/stdc++.h>

int main() {
    int N, M;
    std::cin >> N >> M;
    std::vector<int> A(M), B(M);
    std::vector<int> deg(N);
    for (int i = 0; i < M; ++i) {
        std::cin >> A[i] >> B[i];
        --A[i], --B[i];
        ++deg[A[i]];
        ++deg[B[i]];
    }
    int u = 0;
    for (auto &e : deg) {
        if (e >= 3) {
            ++u;
        }
    }
    if (M == N - 1 and u <= 1) {
        std::cout << "YES" << std::endl;
    std::cout << 1 << std::endl;
    std::cout << 1 << std::endl;
    } else {
        std::cout << "NO" << std::endl;
    }
}

Subtask #1
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
3 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
6 Incorrect 0 ms 212 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
4.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
3 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
6 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
7 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
8 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
9 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
10 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
11 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
12 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
13 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
15 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
16 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
17 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
18 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
19 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
20 Partially correct 1 ms 212 KB Failed to provide a successful strategy.

Subtask #3
0.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
3 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 212 KB Failed to provide a successful strategy.
6 Incorrect 0 ms 212 KB Output isn't correct
7 Halted 0 ms 0 KB -