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Grokking the Coding Interview Patterns in Go

Solution: Average of Levels in Binary Tree

Explore how to compute the average values of nodes at each level in a binary tree using breadth-first search. Understand how to process nodes level-by-level, use queues for traversal, and implement an efficient algorithm in Go that balances 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} ...