carloscn / carloscn/structstudy
leetcode867:转置矩阵(transpose-matrix)
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Description
### 问题描述
给你一个二维整数数组 matrix, 返回 matrix 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:matrix = [[1,2,3],[4,5,6],[7,8,9]]
输出:[[1,4,7],[2,5,8],[3,6,9]]
示例 2:
输入:matrix = [[1,2,3],[4,5,6]]
输出:[[1,4],[2,5],[3,6]]
提示:
m == matrix.length
n == matrix[i].length
1 <= m, n <= 1000
1 <= m * n <= 105
-109 <= matrix[i][j] <= 109
来源:力扣(LeetCode)
链接:https://leetcode.cn/problems/transpose-matrix
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