#include <iostream>
#include <cstring>
#include <cstdio>
using namespace std;
typedef long long ll;
ll f[200006];



int main()
{
    int T;
    scanf("%d", &T);
    while(T--) {
        memset(f, 0,sizeof(f));
        ll n, k, m, t;
        scanf("%I64d%I64d%I64d", &n, &m, &k);
        for(ll i = 1; i <= n; ++i) {
            scanf("%I64d", &t);
            if(t >= m) f[i] = 1;
        }
        ll r = 1, l = 0, ans = 0, cnt = 0;
        for(;;) {
            while(l <= n) {
                if(cnt < k) {
                    l++;
                    if(f[l] == 1) cnt++;
                }
                if(cnt == k) break;
            }
            if(cnt < k) break;
            ans += (n - l + 1);
            if(f[r++]) cnt--;
        }
        printf("%I64d\n", ans);
    }
    return 0;
}