1072. Flip Columns For Maximum Number of Equal Rows

You are given an m x n binary matrix matrix. You can choose any number of columns in the matrix and flip every cell in that column (i.e., Change the value of the cell from 0 to 1 or vice versa). Return the maximum number of rows that have all values equal after some number of flips. Example 1: Input: matrix = [[0,1],[1,1]] Output: 1 Explanation: After flipping no values, 1 row has all values