题解 | 数组计数维护

import sys

nn = int(input())
for ii in range(nn):
    n_k = input().split()
    n = int(n_k[0])
    k = int(n_k[1])
    S = 0
    cnt = 0
    a = input().split()
    for i in range(n):
        a[i] = int(a[i])
    for i in range(n):
        if a[i] >= k:
            S += a[i]
        if a[i] == 0 and S >= 1:
            S += -1
            cnt += 1
    print(cnt)