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226. Invert Binary Tree

Easy

Description

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]

Example_1_img

Example 2:

Input: root = [2, 1, 3]
Output: [2, 3, 1]

Example_2_img

Example 3:

Input: root = []
Output: []

Constraints:

  • The number of nodes in the tree is in the range [0, 100].
  • -100 <= Node.val <= 100

Solutions ๐Ÿ”’

Akhil Singh Chauhan Akhil Singh Chauhan
Creator

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