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Grokking the Coding Interview Patterns in Go

Solution: Bus Routes

Explore how to apply BFS graph traversal to solve the Bus Routes problem, identifying the minimum number of buses needed to travel from a source to destination station. Understand building adjacency lists and managing visited routes to efficiently find the shortest path in unweighted graphs.

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Statement

You are given an array, routes, representing bus routes where routes[i] is a bus route that the ithi^{th} bus repeats forever. Every route contains one or more ...