leetcode.com/explore/interview/card/top-interview-questions-easy/92/array/770/ Explore - LeetCode LeetCode Explore is the best place for everyone to start practicing and learning on LeetCode. No matter if you are a beginner or a master, there are always new topics waiting for you to explore. leetcode.com 풀이 매우 간단한 정방행렬의 회전이다. import copy class Solution: def rotate(self, matrix: List[List[int]]) ..