> #include<iostream>
> using namespace std;
> int a[100002];
> int main()
> {
>    int tests;
>    int m,n;
>   int i,j;
>   int sum;
> 
>    cin>>tests;
>    while(tests--)
>    { 
> 	   cin>>m>>n;
> 	   for(i=0;i<m;i++)
> 		   cin>>a[i];
> 	   i=0;
> 	   int min=1000000;
> 	   sum=0;
> 	   j=0;
> 	   while(j<=i&&i<=m)
> 	   {
> 		  
> 		   if(sum<n) {sum+=a[i];i++;}
>           if(sum>=n) {
> 			   if(i-j<min) min=i-j;
> 			   sum-=a[j];
>                 j++;
> 		  }
> 	   }
>      if(min==m&&sum<n)
> 		 cout<<0<<endl;
> 	 else
> 	   cout<<min<<endl;
>    }
>    return 1;
> }