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Invert a binary tree | Leetcode 226 | Easy | C++ | Code + Explanation

Code with Alisha • December 21, 2020

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Code with Alisha

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Invert a binary tree. This problem was inspired by this original tweet by Max Howell: Google: 90% of our engineers use the software you wrote (Homebrew), but you can’t invert a binary tree on a whiteboard so f*** off.

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