85. Maximal Rectangle

Description

Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing only 1's and return its area. Example 1:

Input:
[
  ["1","0","1","0","0"],
  ["1","0","1","1","1"],
  ["1","1","1","1","1"],
  ["1","0","0","1","0"]
]
Output: 6

Tags: Math, String

题意

返回三角形最小面积

题解

思路1

DP



思路2

思路2 ```go

```

结语

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