#include <bits/stdc++.h>
using namespace std;
//#define int long long
const int mod = 1e9 + 7;
const int maxn = 20;
const int infinito = 1e9;
int n,k;
int v[maxn][maxn];
int dp[(1<<maxn) + 10];
signed main(){
cin >> n >> k;
for(int i = 0; i < n; i++){
for(int y = 0; y < n; y++){
cin >> v[i][y];
}
}
for(int i = 0; i <= (1<<n)-1; i++){
dp[i] = infinito;
}
dp[(1<<n)-1] = 0;
int resul = infinito;
for(int i = (1<<n)-1; i >= 0; i--){
int uns = __builtin_popcount(i);
for(int y = 0; y < n; y++){
if(((i&(1<<y)) < 1)){
continue;
}
for(int j = 0; j < n; j++){
if(j != y && ((i&(1<<j)) >= 1)){
dp[i^(1<<y)] = min(dp[i^(1<<y)], dp[i] + v[y][j]);
}
}
}
if(uns <= k){
//cout << i << " " << dp[i] << endl;
resul = min(resul, dp[i]);
}
}
cout << resul << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
7 ms |
512 KB |
Output is correct |
6 |
Correct |
14 ms |
572 KB |
Output is correct |
7 |
Correct |
31 ms |
2652 KB |
Output is correct |
8 |
Correct |
65 ms |
2648 KB |
Output is correct |
9 |
Correct |
683 ms |
4516 KB |
Output is correct |
10 |
Correct |
690 ms |
4520 KB |
Output is correct |