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Grokking the Coding Interview Patterns in JavaScript

Solution: Average of Levels in Binary Tree

Explore how to calculate the average values of nodes at each level of a binary tree using breadth-first search. This lesson guides you through processing each tree level with a queue, summing node values, and computing averages to solve the problem efficiently within defined constraints.

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Statement

You are given the root of a binary tree. Your task is to return the average value of the nodes on each level in the form of an array.

Note: Only answers within 10−510^{-5} ...