1 //01背包，详见背包九讲
2 #include<stdio.h>
3 #include<string.h>
4 typedef struct
5 {
6 int val,room;
7 } cus;
8 int an[1005];
9 cus inf[1005];
10 int main()
11 {
12 int n;
13 scanf("%d",&n);
14 while(n--)
15 {
16 memset(an,0,sizeof an);
17 memset(inf,0,sizeof inf);
18 int num,Room,ans=0;
19 scanf("%d%d",&num,&Room);
20 for(int i=0; i<num; ++i)
21 scanf("%d",&inf[i].val);
22 for(int i=0; i<num; ++i)
23 scanf("%d",&inf[i].room);
24 for(int i=0; i<num; ++i)
25 {
26 for(int j=inf[i].room; j<=Room; ++j)
27 {
28 int seet=j-inf[i].room;
29 int temp=an[j]+inf[i].val;
30 if(an[seet] < temp)
31 an[seet]=temp;
32 if(temp > ans)
33 ans=temp;
34 }
35 }
36 printf("%d\n",ans);
37 }
38 return 0;
39 }
