49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
#include <stdio.h>
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#include <string.h>
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#include <iostream>
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#include <algorithm>
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#include <vector>
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#include <queue>
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#include <set>
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#include <map>
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#include <string>
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#include <math.h>
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#include <stdlib.h>
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#include <time.h>
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using namespace std;
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int a[100][100];
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int dp[110][55];
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int b[110];
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int main()
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{
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int T;
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int n,m;
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scanf("%d",&T);
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while(T--){
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scanf("%d%d",&n,&m);
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for(int i = 1;i <= m;i++)
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for(int j = 1;j <= m;j++)
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scanf("%d",&a[i][j]);
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memset(dp,-1,sizeof(dp));
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for(int i = 1;i <= n;i++)scanf("%d",&b[i]);
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for(int i = 1;i <= m;i++)
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dp[1][i] = 0;
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int ans = -1;
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for(int i = 1;i <= n;i++){
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for(int j = 1;j <= m;j++){
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if(b[i] > 0 && j != b[i])
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dp[i][j] = -1;
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if(dp[i][j] == -1)continue;
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if(i == n){
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ans = max(ans,dp[i][j]);
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continue;
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}
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for(int k = 1;k <= m;k++)
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dp[i+1][k] = max(dp[i+1][k],dp[i][j]+a[j][k]);
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}
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}
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printf("%d\n",ans);
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}
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return 0;
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}
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