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- #include<iostream>
- #include<stdio.h>
- using namespace std;
- int main()
- {
- unsigned int t,n,m;
- unsigned int i,j,s,a[20];
- //clrscr();
- scanf("%d",&t);
- while(t--) {
- scanf("%d %d",&n,&m);
- for(i=0;i<n;i++)
- scanf("%d",&a[i]);
- for(i=1;i<(1<<n);i++) {
- s=0;
- for(j=0;j<n;j++)
- if((i&(1<<j))>0)
- s=s+a[j];
- if(s==m) {
- printf("Yes\n");
- goto end;
- }
- }
- printf("No\n");
- end : continue;
- }
- return 0;
- }
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