#include <iostream>
using namespace std;
int main()
{
	int nCases,n,tag,i,j,array[100000];
	cin >> nCases;
	while(nCases--){
		cin >> n >> tag;
		int total = 0,max = 0,sum = 0,length = n + 1,tmp = n + 1;
		for(i = 0;i < n;i++){
			cin >> array[i];
			if(array[i] > max)
				max = array[i];
			total += array[i];
		}
		if(max >= tag){
			cout << "1" << endl;
			break;
		}
		if(total < tag){
			cout << "0" << endl;
			continue;
		}
		if(total == tag){
			cout << n << endl;
			continue;
		}
		int *p1 = array,*p2;
		for(i = 0;i < n;i++){
			p2 = p1;
			for(j = i;j < n;j++){
				sum += *p2;
				p2++;
				if(sum >= tag)
					break;
			}
			if(sum >= tag){
				tmp = p2 - p1;
				if(tmp < length)
					length = tmp;
				if(length == 1)
					break;
			}
			p1++;
			sum = 0;
		}
		if(length == n + 1)
			cout << "0" << endl;
		else
			cout << length << endl;
	}
	return 0;
}