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Grokking the Coding Interview Patterns in Go

Solution: Sum of Distances in a Tree

Understand how to solve the sum of distances problem in a tree by applying Depth-First Search techniques. This lesson guides you through two DFS traversals to compute subtree sizes and propagate distance sums efficiently, helping you master tree-based algorithms relevant to coding interviews.

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Statement

Given a connected, undirected tree with n nodes, labeled from 00 to n−1n - 1, and n−1n - 1 edges. The edges are provided in an array, where each element edges[i] =[ai,bi] ...