Submission #959267

#	Time	Username	Problem	Language	Result	Execution time	Memory
959267		Dan4Life	Newspapers (CEOI21_newspapers)	C++17	8 / 100	1 ms	596 KiB

newspapers

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define int long long
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
const int mxN = (int)3e5+10;
int n, m;

int32_t main() {
	cin >> n >> m;
	for(int i = 0; i < m; i++){
		int a, b; cin >> a >> b;
	}
	if(n<=m){
		cout << "NO\n";
		return 0;
	}
	cout << "YES\n";
	if(n==1){
		cout << "1\n1"; return 0;
	}
	if(n==2){
		cout << "2\n1 1"; return 0;
	}
	cout << 2*(n-2) << "\n";
	for(int i = 2; i <= n-1; i++) cout << i << " ";
	for(int i = n-1; i >= 2; i--) cout << i << " ";
}

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