Submission #1186835

#	Time	Username	Problem	Language	Result	Execution time	Memory
1186835		Unforgettablepl	Newspapers (CEOI21_newspapers)	C++20	6 / 100	0 ms	328 KiB

newspapers

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

#define int long long


int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int N,M;
    cin >> N >> M;
    if(M==N-1){
        cout<<"YES\n";
        cout << 2*N << '\n';
        for(int i=1;i<=N;i++)cout<<i<<' ';
        for(int i=1;i<=N;i++)cout<<N-i+1<<' ';
        cout << '\n';
    } else cout<<"NO\n";
}

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