Spiral Matrix
Given an m x n matrix, return all elements of the matrix in spiral order.
Spiral Matrix

Given an m x n matrix, return all elements of the matrix in spiral order.

Example 1:
Input: [[1,2,3],[4,5,6],[7,8,9]]
Output: [1,2,3,6,9,8,7,4,5]
Input
arr =[[1,2,3],[4,5,6],[7,8,9]]

Start

1

2

3

4

5

6

7

8

9

Result

[]

Variables
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DepthFunction Call
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