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1072. Flip Columns For Maximum Number of Equal Rows
- Given an m x n binary matrix, we are to determine the maximum number of rows that have all values equal after some number of column flips.
- We can solve this problem by calculating the pattern and the complementary pattern for each row.
- Using a hash map, we can count the occurrences of patterns and their complements.
- The maximum count for any single pattern or its complement gives the result.
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