Challenge: Check Completeness of Tree Using Recursion
Let’s check if a tree is complete using recursion.
We'll cover the following
Problem
Given a binary tree, find if it is a complete tree using recursion.
The tree is complete if it is filled at all possible levels except the last level. The last level is filled from left to right.
Input
A binary tree.
Output
Returns true if the tree is complete, false otherwise.
Sample input
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