标签: 前缀和

题目核心

给定一个由字符 '0' 和 '1' 组成的二维矩阵 matrix，找出只包含 '1' 的最大正方形，并返回它的面积。

注意返回的是面积，不是边长。

例如：

matrix =
[
  ["1","0","1","0","0"],
  ["1","0","1","1","1"],
  ["1","1","1","1","1"],
  ["1","0","0","1","0"]
]

Skyme2026/7/9大约 7 分钟