Invert Binary Tree
Given the root of a binary tree, invert the tree, and return its root.
Invert Binary Tree

Given the root of a binary tree, invert the tree, and return its root.

Example 1:
Input: {"root":[4,2,7,1,3,6,9]}
Output: [4,7,2,9,6,3,1]
Input
arr ={"root":[4,2,7,1,3,6,9]}

4

2

7

1

3

6

9

Variables
No variables to display
DepthFunction Call
Stack empty
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