mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
90 lines
1.4 KiB
C++
90 lines
1.4 KiB
C++
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#include <cstdio>
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#include <cstring>
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#include <algorithm>
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#include <iostream>
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#include <cmath>
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using namespace std;
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const int maxN=305;
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const int maxM=35;
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typedef double db;
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const db eps=1e-12;
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db dp[maxN][maxM];
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int pre[maxN][maxM];
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db cur[maxM][maxM];
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db Prev[maxM][maxM];
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int shot[500],N;
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int inv[maxM];
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int main()
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{
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int T;scanf("%d",&T);
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while(T--)
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{
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scanf("%d",&N);
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memset(shot,-1,sizeof(shot));
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for(int i=0;i<N;++i)
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{
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char a[2];scanf("%s",a);
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shot[a[0]]=i;
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inv[i]=a[0];
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}
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for(int i=0;i<N;++i)
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for(int j=0;j<N;++j){
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scanf("%lf",&cur[i][j]);
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cur[i][j]=log(cur[i][j]);
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}
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for(int i=0;i<N;++i)
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for(int j=0;j<N;++j) {
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scanf("%lf",&Prev[i][j]);
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Prev[i][j]=log(Prev[i][j]);
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}
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int M;scanf("%d",&M);
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while(M--)
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{
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char ss[500];scanf("%s",ss);
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int l=strlen(ss);
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for(int i=0;i<=l;++i)
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for(int j=0;j<N;++j)
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dp[i][j]=-1e200,pre[i][j]=-1;
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dp[0][0]=0;
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for(int i=0;i<l;++i)
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{
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int hj=shot[ss[i]];
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for(int j=0;j<N;++j)
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{
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for(int k=0;k<N;++k)
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{
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db tmp=dp[i][j]+cur[k][hj];
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if(i!=0) tmp=tmp+Prev[j][k];
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if(tmp>dp[i+1][k])
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{
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pre[i+1][k]=j;
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dp[i+1][k]=tmp;
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}
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}
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}
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}
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db maxx=-1e200;
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int idx=-1;
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for(int i=0;i<N;++i)
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{
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if(dp[l][i]>maxx)
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{
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maxx=dp[l][i];
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idx=i;
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}
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}
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int ans[500];
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int mm=l;
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while(mm)
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{
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ans[mm]=idx;
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idx=pre[mm][idx];
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mm--;
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}
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for(int i=1;i<=l;++i)
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printf("%c",inv[ans[i]]);
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printf("\n");
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}
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}
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}
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