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Solution: Invert Binary Tree

Explore how to invert a binary tree by applying a post-order depth-first search traversal. Learn to swap left and right subtrees at each node to create a mirror image of the original tree while understanding the time complexity of O(n) and space complexity based on tree height. This lesson guides you through a recursive approach to manipulate binary trees effectively.

Statement

Given the root node of a binary tree, transform the tree by swapping each node’s left and right subtrees, thus creating a mirror image of the original tree. Return the root of the transformed tree.

Constraints:

  • 00\leq Number of nodes in the tree 100\leq 100
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