题解 | 数组计数维护

T = int(input())
n = [0]*T
k = [0]*T

def cnt_value(n,k,a):
    S = 0
    cnt = 0
    for i in range(n):
        if a[i]>=k:
            S = S+a[i]
        if a[i] == 0 and S>=1:
            S = S-1
            cnt+=1
    return cnt

for i in range(T):
    n[i],k[i] = map(int,input().split())
    a = list(map(int,input().split()))
    cnt = cnt_value(n[i],k[i],a)
    print(cnt)