제출 #698777

#제출 시각아이디문제언어결과실행 시간메모리
698777CyanmondNewspapers (CEOI21_newspapers)C++17
0 / 100
1 ms212 KiB
#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; for (int i = 1; i <= N; ++i) { std::cout << i << ' '; } if (N != N / 2 * 2) { std::cout << N << ' '; } for (int i = N / 2 * 2; i >= 1; --i) { std::cout << i << ' '; } std::cout << std::endl; }
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