#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;

int a[100005],n,k;

int main()
{
    int T;
    scanf("%d",&T);
    while(T--)
    {
        scanf("%d%d",&n,&k);
        for(int i = 1;i <= n;i++)    scanf("%d",&a[i]);
        int l = 0,now = 0;
        long long ans = 0;
        for(int i = 1;i <= n;i++)
        {
            now += a[i];
            while(now > k)    now -= a[++l];
            ans += i-l;
        }
        printf("%lld\n",ans);
    }
    return 0;
}