Submission #698781

#	Time	Username	Problem	Language	Result	Execution time	Memory
698781		Cyanmond	Newspapers (CEOI21_newspapers)	C++17	6 / 100	1 ms	332 KiB

newspapers

#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]];
    }
    std::cout << "YES" << std::endl;
    std::vector<int> answer;
    for (int i = 1; i <= N; ++i) {
        answer.push_back(i);
    }
    if (N != N / 2 * 2) {
        answer.push_back(N);
    }
    for (int i = N / 2 * 2; i >= 1; --i) {
        answer.push_back(i);
    }

    std::cout << answer.size() << std::endl;
    for (auto &e : answer) {
        std::cout << e << ' ';
    }
    std::cout << std::endl;
}

• Subtask 1: 0 / 12
• Subtask 2: 6 / 8
• Subtask 3: 0 / 80