#ifndef Local
#pragma GCC optimize("O3,unroll-loops")
const int lim=2e5+100;
#else
const int lim=1e3+100;
#endif
#include "bits/stdc++.h"
using namespace std;
#define int long long
#define pb push_back
const int mod=1e9+7;
using pii=pair<int,int>;
inline void solve(){
int n,k;
cin>>n>>k;
int a[n][n];
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
cin>>a[i][j];
}
}
int inf=INT_MAX*100ll;
int ans=inf;
int dp[1<<n];
for(int i=0;i<(1<<n);i++)dp[i]=inf;
dp[(1<<n)-1]=0;
for(int m=(1<<n)-1;m;m--){
for(int i=0;i<n;i++){
if(m&(1<<i)){
for(int j=0;j<n;j++){
if(m&(1<<j)&&(i^j)){
dp[m^(i<<1)]=min(dp[m^(i<<1)],dp[m]+a[i][j]);
}
}
}
}
if(__popcount(m)<=k){
ans=min(ans,dp[m]);
}
}
cout<<ans<<"\n";
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);cout.tie(NULL);
#ifdef Local
freopen(".in","r",stdin);
freopen(".out","w",stdout);
#else
//freopen("grass.in","r",stdin);
//freopen("grass.out","w",stdout);
#endif
int t=1;
//cin>>t;
while (t--)
{
solve();
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Incorrect |
6 ms |
348 KB |
Output isn't correct |
6 |
Incorrect |
13 ms |
604 KB |
Output isn't correct |
7 |
Incorrect |
28 ms |
860 KB |
Output isn't correct |
8 |
Incorrect |
60 ms |
1372 KB |
Output isn't correct |
9 |
Incorrect |
641 ms |
8788 KB |
Output isn't correct |
10 |
Incorrect |
649 ms |
8636 KB |
Output isn't correct |