题解 | 数组计数维护

import sys
t=int(sys.stdin.readline().strip())
for i in range(t):
    n,k=map(int,sys.stdin.readline().split())
    a=list(map(int,sys.stdin.readline().split()))
    s=0
    cnt=0
    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)