1072-Flip-Columns-For-Maximum-Number-Of-Equal-Rows

Sat 17 May 2025

https://leetcode.com/problems/flip-columns-for-maximum-number-of-equal-rows

import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def maxEqualRowsAfterFlips(self, matrix: List[List[int]]) -> int:
    patterns = [tuple(a ^ row[0] for a in row) for row in matrix]
    return max(Counter(patterns).values())

new Solution().maxEqualRowsAfterFlips()

Score: 5

Category: leetcode