#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
#define scan(x) scanf("%I64d",&x);
using namespace std;
typedef long long LL;
LL n,m,k;
LL a[200020];
void init()
{
    scanf("%I64d%I64d%I64d",&n,&m,&k);
    for(int i=1;i<=n;i++)
        scan(a[i]);
}
void work()
{
    LL l=1,r,num=0,ans=0;
    for(r=1;r<=k;r++)
        if(a[r]>=m) num++;
    r=k;
    while(1)
    {
        while(num<k&&r<=n)
        {
            r++;
            if(a[r]>=m)
                num++;
        }
        if(num<k) break;
        ans+=n-r+1;
        if(a[l]>=m) num--;
        l++;
    }
    printf("%I64d\n",ans);
}
int main()
{
    int t;
    cin >> t;
    while(t--)
    {
        init();
        work();
    }
    return 0;
}