#include <bits/stdc++.h>
using namespace std;
int banned[21][21];
int n,k,komb;
int a,b;
int main(){
cin>>n>>k;
komb=pow(2,n);
if(k!=0)komb--;
for(int i=0;i<k;i++){
cin>>a>>b;
if(banned[a][b]!=1){
banned[a][b]=1;
banned[b][a]=1;
komb--;
}
}
cout<<komb;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
4 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
5 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
6 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
7 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
8 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
9 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
10 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |