#include <iostream>
using namespace std;
int main(){
int i,j,n,m,arr[21][21],DP[21],x,y;
cin>>n>>m;
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
if(i==j){
arr[i][i] = 0;
}
else{
arr[i][j] = 1;
}
}
DP[i] = 0;
}
for(i=1;i<=m;i++){
cin>>x>>y;
arr[x][y] = 0;
arr[y][x] = 0;
}
for(i=1;i<=n;i++){
for(j=i-1;j>=0;j--){
if(arr[i][j] == 1){
DP[i] = DP[i] + DP[j] + 1;
}
}
}
int sum = 0;
for(i=1;i<=n;i++){
sum += DP[i];
}
cout<<(1 + n + sum)<<endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Incorrect |
2 ms |
384 KB |
Output isn't correct |
3 |
Incorrect |
2 ms |
384 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 |
384 KB |
Output isn't correct |
9 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
10 |
Incorrect |
3 ms |
384 KB |
Output isn't correct |