Google Coding Interview Question: Invert Binary Tree, Python Solution
This problem has been asked by Google, Facebook and Amazon and it is one of the most common questions on trees so it would definitely help learning it.
In this video I give you two ways of approaching this problem in an interview setting.
To access the code here are the links to the two solutions:
recursive approach: https://gist.github.com/Surai98/88828...
iterative approach:
https://gist.github.com/Surai98/ca2a5...