题解 | 数组计数维护

S=0
cnt=0
T=int(input())
for _ in range(T):    
    n,k=list(map(int,input().split()))
    num=list(map(int, input().split()))
    for i in range(n):
        if num[i]>=k:
            S=S+num[i]
        elif num[i]==0 and S>=1:
            S=S-1
            cnt=cnt+1
        else:
            continue
    print(cnt)
    S=0
    cnt=0