#967Medium#4 in eBay's list· asked at 12 companies
Maximal Square
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What we know
Example 1
Input: matrix = [["1","0","1","0","0"],["1","0","1","1","1"],["1","1","1","1","1"],["1","0","0","1","0"]] Output: 4
Example 2
Input: matrix = [["0","1"],["1","0"]] Output: 1
Example 3
Input: matrix = [["0"]] Output: 0
Constraints
- •
m == matrix.length - •
n == matrix[i].length - •
1 <= m, n <= 300 - •
matrix[i][j]is '0' or '1'.