제출 #768813

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
768813		RushB	Newspapers (CEOI21_newspapers)	C++17	6 / 100	1 ms	224 KiB

newspapers

#include "bits/stdc++.h"
#define int long long
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
using namespace std;
const long long INF = 1ll << 60;
const int N = 1000 + 5;

signed main() {
	ios::sync_with_stdio(0), cin.tie(0);
	int n, m;
	cin >> n >> m;
	if (m >= n) {
		cout << "NO\n";
		return 0;
	}
	FOR(i, 1, n) {
		int u, v; cin >> u >> v;	
	}
	cout << "YES\n";
	if (n == 1) {
		cout << "1\n1\n";
		return 0;
	}
	cout << 2 * n - 2 << '\n';
	FOR(i, 0, n - 1) cout << i + 1 << ' ';
	FOR(i, 1, n) cout << n - i << ' ';
	cout << '\n';
	return 0;
}
//Reading this fills you with DETERMINATION
//20:06:46

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