Solution.py

class Solution:
    def minArea(self, image: List[List[str]], x: int, y: int) -> int:
        m, n = len(image), len(image[0])
        left, right = 0, x
        while left < right:
            mid = (left + right) >> 1
            c = 0
            while c < n and image[mid][c] == '0':
                c += 1
            if c < n:
                right = mid
            else:
                left = mid + 1
        u = left
        left, right = x, m - 1
        while left < right:
            mid = (left + right + 1) >> 1
            c = 0
            while c < n and image[mid][c] == '0':
                c += 1
            if c < n:
                left = mid
            else:
                right = mid - 1
        d = left
        left, right = 0, y
        while left < right:
            mid = (left + right) >> 1
            r = 0
            while r < m and image[r][mid] == '0':
                r += 1
            if r < m:
                right = mid
            else:
                left = mid + 1
        l = left
        left, right = y, n - 1
        while left < right:
            mid = (left + right + 1) >> 1
            r = 0
            while r < m and image[r][mid] == '0':
                r += 1
            if r < m:
                left = mid
            else:
                right = mid - 1
        r = left
        return (d - u + 1) * (r - l + 1)