1
#include<bits/stdc++.h>
2
using namespace std;
3
const int N=3e5+10;
4
int a[N];
5
int T,n,l,r,ans;
6
long long s,sum;
7
int main()
8
{
9
	ios::sync_with_stdio(false);
10
	cin.tie(0);cout.tie(0);
11
	
12
	cin>>T;
13
	while(T--)
14
	{
15
		cin>>n>>s;
16
		if(s==0) 
17
		{
18
			cout<<1<<'\n';
19
			continue;
20
		}
21
		l=1;r=0;sum=0;ans=0x3f3f3f3f;
22
		for(int i=1;i<=n;i++)
23
		{
24
			cin>>a[i];
25
			r++;sum+=a[i];
26
			while(sum>=s)
27
			{
28
				ans=min(ans,r-l+1);
29
				sum-=a[l],l++;
30
			}
31
		}
32
		if(ans==0x3f3f3f3f) cout<<0<<'\n';
33
		  else cout<<ans<<'\n';
34
	}
35
	return 0;
36
}