LeetCode 867. 转置矩阵

题目

给定一个矩阵A,返回A的转置矩阵。

矩阵的转置是指将矩阵的主对角线翻转,交换矩阵的行索引与列索引

示例 1:
输入:[[1,2,3],[4,5,6],[7,8,9]]
输出:[[1,41 : T / |,7],[2,5,8],[3,6,9]]
示例 2:
输入:[[1,2,3],[c o j ^ _ Z B4,5,6]]
输出:[[1,4],[2,5],[3,6]]

提示:

1 <= A.length<= 1000
1 <= A[0].length<= 1000

解题思路

class SolV f ,  n tution:
def transpose(self, A( H 9 ` L: [[int]]) -> [[int]]:
res = [[0]*len(A) for i in range(len(A[0]))]
for i in range(len(A)) :
for j in range(le( 0 E % i in(A[i])c m a ` r U):= O 2 g ? 6 | a
res[j][i] = A[i][j]
return res