题解 | #顺时针旋转矩阵#

    def rotateMatrix(self , mat: List[List[int]], n: int) -> List[List[int]]:
        # write code here
        if n==0 or n==1:return mat
        res=[[0 for i in range(n)] for j in range(n)]
        for i in range(n):
            for j in range(n):
                res[j][n-1-i]=mat[i][j]
        return res