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Solution: Flip Columns For Maximum Number of Equal Rows

Understand how to solve the problem of maximizing equal rows in a binary matrix by flipping columns. Learn to create pattern strings for rows, track frequencies, and efficiently determine the maximum number of identical rows achievable through column flips.

Statement

Given an m×nm \times n binary matrix, matrix, return the maximum number of rows where all values become identical after flipping any number of columns. Flipping a column means changing every 00 to 11 ...