2025-08-22 11:28:05 +0000 UTC

class Solution:
    def areSimilar(self, mat: List[List[int]], k: int) -> bool:
        cols = len(mat[0])
        for row in range(len(mat)):
            is_even = row % 2 == 0
            for col in range(cols):
                if is_even:
                    new_col = (col - k + cols) % cols
                else:
                    new_col = (col + k) % cols
                if mat[row][col] != mat[row][new_col]:
                    return False
        return True