#include <cstdio>
#define i64 long long
#define lld "%I64d"
#define N_MAX 200000
int T, n, i, j, k, s[N_MAX + 1];
i64 m, a, cnt;
int main()
{
    scanf("%d", &T);
    while (T--)
    {
        scanf("%d" lld "%d", &n, &m, &k);
        for (i = 1; i <= n; ++i)
            scanf(lld, &a), s[i] = s[i - 1] + (a >= m);
        cnt = j = 0;
        for (i = k; i <= n; ++i)
        {
            while (s[i] - s[j] >= k) ++j;
            cnt += j;
        }
        printf(lld"\n", cnt);
    }
    return 0;
}