Decode the Coding Interview in Swift: Real-World Examples/

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Invert Binary Tree

Invert Binary Tree

Understand and solve the interview question "Invert Binary Tree".

We'll cover the following...

Description

In this lesson, your task is to invert a given binary tree, T.

Let’s look at an example below:

main.swift
TreeNode.swift
import Swift



func invertTree(root: TreeNode?) -> TreeNode? {

    return root

}
Invert binary tree exercise
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