제출 #961117

#제출 시각아이디문제언어결과실행 시간메모리
961117PagodePaivaNewspapers (CEOI21_newspapers)C++17
0 / 100
0 ms348 KiB
#include<bits/stdc++.h> #define N 1010 using namespace std; vector <int> g[N]; int main(){ int n, m; cin>>n >>m; for(int i = 0;i <m;i++){ int a, b; cin >> a >> b; } cout << "YES\n"; cout << 2*n-2 << endl; cout << n << ' '; for(int i = n;i > 1;i--) cout << i << ' '; for(int i = n;i > 1;i--) cout << i << ' '; cout << endl; return 0; }
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