2025-08-16 07:49:39 +0000 UTC

class Solution:
    def findRotation(self, mat: List[List[int]], target: List[List[int]]) -> bool:
        length = len(mat)
        count_0, count_90, count_180, count_270 = 0, 0, 0, 0
        for i in range(length):
            for j in range(length):
                val = mat[i][j]
                if val == target[i][j]:
                    count_0 += 1
                if val == target[j][length - i - 1]:
                    count_90 += 1
                if val == target[length - i - 1][length - j - 1]:
                    count_180 += 1
                if val == target[length - j - 1][i]:
                    count_270 += 1
        return length * length in {count_0, count_90, count_180, count_270}