旋转矩阵

class Solution:
    def rotate(self, matrix):
        """
        :type matrix: List[List[int]]
        :rtype: void Do not return anything, modify matrix in-place instead.
        """
        m = len(matrix)
        n = len(matrix[0])
        for i in range(m):
            for j in range(i + 1):
                self.swap(matrix, i, j, j, i)
        for i in range(n // 2):
            for j in range(m):
                self.swap(matrix, j, i, j, n - 1 - i)    


    def swap(self, matrix, i1, j1, i2, j2):
         matrix[i1][j1]= matrix[i2][j2]

来源：CSDN

作者：ailinyingai

链接：https://blog.csdn.net/ailinyingai/article/details/103975476