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10971.cpp
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64 lines (48 loc) · 964 Bytes
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//
// 10971.cpp
// algo
//
// Created by 박효정 on 2021/09/24.
//
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int n;
int arr[11][11];
int res=987654321;
int vis[11];
void dfs(int cost,int start,int cnt,int s){
if(cnt>=n-1){
if(cnt==n-1&&arr[start][s]!=0){
cost+=arr[start][s];
res=min(res,cost);
}
return;
}
for(int i=0;i<n;i++){
if(arr[start][i]!=0&&vis[i]==0){
vis[i]=1;
dfs(cost+arr[start][i],i,cnt+1,s);
vis[i]=0;
}
}
}
int main(){
cin.tie(0);
cout.tie(0);
std::ios::sync_with_stdio(false);
cin>>n;
for(int i=0;i<n;i++){
for(int j=0l;j<n;j++){
cin>>arr[i][j];
}
}
for(int i=0;i<n;i++){
vis[i]=1;
dfs(0,i,0,i);
vis[i]=0;
}
cout<<res<<"\n";
return 0;
}