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Grokking the Coding Interview Patterns in Go

Solution: Average of Levels in Binary Tree

Explore how to calculate the average node values at each level of a binary tree using a breadth-first search approach. Learn to implement a queue-based algorithm in Go that processes nodes level by level, summing and averaging values efficiently while managing time and space complexity.

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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} ...