Leetcode 222. Count Complete Tree Nodes in Python | Python Leetcode | Python Coding Tutorial | ASMR

Leetcode 222. Count Complete Tree Nodes in Python | Python Leetcode | Python Coding Tutorial | ASMR
Given the root of a complete binary tree, return the number of the nodes in the tree.
According to Wikipedia, every level, except possibly the last, is completely filled in a complete binary tree, and all nodes in the last level are as far left as possible. It can have between 1 and 2h nodes inclusive at the last level h.
Design an algorithm that runs in less thanO(n)time complexity.
Example 1:

Input: root = [1,2,3,4,5,6]
Output: 6
Example 2:
Input: root = []
Output: 0
Example 3:
Input: root = [1]
Output: 1

Leetcode Problem Link: https://leetcode.com/problems/count-complete-tree-nodes/
Code Link : https://github.com/CodeIsArtYT/Leetcode/blob/main/Python/222.%20Count%20Complete%20Tree%20Nodes.py

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