제출 #601777

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
601777		Valaki2	Newspapers (CEOI21_newspapers)	C++14	8 / 100	1 ms	288 KiB

newspapers

#include <bits/stdc++.h>
using namespace std;

#define pb push_back

void solve() {
    int n, m;
    cin >> n >> m;
    if(n == 1) {
        cout << "YES\n1\n1\n";
        return;
    }
    if(n == 2) {
        cout << "YES\n2\n1 1\n";
        return;
    }
    cout << "YES\n";
    cout << 2 * n - 4 << "\n";
    for(int i = 2; i <= n - 1; i++) {
        cout << i << " ";
    }
    for(int i = n - 1; i >= 2; i--) {
        cout << i << " ";
    }
    cout << "\n";
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
    return 0;
}

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