题解 | 数组计数维护

import sys
n1 = int(input())
for i in range(n1):
    s = cnt = 0
    n,k = map(int, input().strip().split())
    a = list(map(int,input().strip().split()))
    for j in range(n):
        if a[j]>= k:
            s = s + a[j]
        elif a[j] == 0 and s>=1:
            s = s -1
            cnt = cnt +1
        else:
            continue
    print(cnt)