题解 | 数组计数维护

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