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Grokking the Coding Interview Patterns in Go

Solution: Average of Levels in Binary Tree

Explore how to compute the average value of nodes on each level of a binary tree by applying breadth-first search. Learn to use a queue to track nodes level by level, summing their values and calculating averages. Understand the time and space complexity to optimize your solution.

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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} ...