2025-08-19 05:18:09 +0000 UTC

class Solution:
    def zeroFilledSubarray(self, nums: List[int]) -> int:
        res = 0
        cur = 0
        for num in nums:
            if num == 0:
                cur += 1
                res += cur
            elif cur != 0:
                cur = 0
        return res