#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <set>
#include <iostream>
#include <algorithm>
using namespace std;
#define ll long long
int num[200005];
int main()
{
    int tt;
    scanf("%d",&tt);
    while(tt--)
    {
        int n,m,k;
        scanf("%d %d %d",&n,&m,&k);
        memset(num,0,sizeof num);
        for(int i=1;i<=n;i++)
        {
            scanf("%d",&num[i]);
        }
        int j=1;
        int numm=0;
        ll sum=0;
        for(int i=1;j<=n&&i<=n;)
        {
            if(num[j]>=m)numm++;
            while(numm>=k)
            {
                sum=sum+(ll)(n-j+1);
                if(num[i]>=m)numm--;
                i++;
            }
            j++;
        }
        printf("%I64d\n",sum);
    }
    return 0;
}