OJ-Problems-Source/HDOJ/5074_autoAC.cpp

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