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Grokking the Coding Interview Patterns in C#

Invert Binary Tree

Explore how to invert a binary tree by swapping each node's left and right children using depth-first search. Understand the problem constraints, test your approach, and implement your solution in C# to transform the tree into its mirror image.

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Statement

Given the root node of a binary tree, transform the tree by swapping each node’s left and right subtrees, thus ...