Challenge: Free Tree
Let’s empty a binary tree. We’ll also see how we can do it in one line.
We'll cover the following
Problem
Given a binary tree, free all its nodes.
Input
A binary tree.
Output
An empty tree.
Sample input
The root node t.root of a binary tree will be our input. We have to empty the tree.We’ll do this by using the freeTree() function.
Here’s the sample input tree t.
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