#include <cstdio>
#define rpt(i,l,r) for(int i=l;i<=r;i++)
#define N 200005
int T,n,m,k,l,r,a[N],tmp;
long long ans;
void mvl(){
    if(a[l++]>=m) tmp--; 
}
void mvr(){
    if(a[++r]>=m) tmp++;
}
int main(){
    scanf("%d",&T);
    while(T--){
        scanf("%d%d%d",&n,&m,&k);
        rpt(i,1,n) scanf("%d",&a[i]);
        l=1;r=0;ans=0;tmp=0;
        rpt(i,1,n-k+1){
            while(tmp<k&&r<n) mvr();
            if(tmp>=k) ans+=n-r+1;
            mvl();
        }
        printf("%I64d\n",ans);
    }
}