#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
#define all(x) x.begin(),x.end()
int main(){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int n,m;
cin>>n>>m;
cout<<"YES"<<'\n';
cout<<2*n-2<<'\n';
for(int i=n;i>=2;i--){
cout<<i<<' ';
}
for(int i=2;i<=n;i++){
cout<<i<<' ';
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Integer parameter [name=k] equals to 0, violates the range [1, 5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Integer parameter [name=k] equals to 0, violates the range [1, 5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Integer parameter [name=k] equals to 0, violates the range [1, 5] |
2 |
Halted |
0 ms |
0 KB |
- |