Solution: Bus Routes
Understand how to solve the bus routes problem by applying breadth-first search on an adjacency list that maps stations to bus routes. Learn to find the shortest path in terms of bus transfers from a source to a destination station, and analyze time and space complexities involved.
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Statement
You are given an array, routes, representing bus routes where routes[i] is a bus route that the bus repeats forever. Every route contains one or more stations. You ...