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Grokking the Coding Interview Patterns in C++

Bus Routes

Explore strategies to solve the bus routes problem by modeling it as a graph. Learn how to determine the minimum buses needed to travel from one station to another, improving your grasp on graph traversal algorithms in C++.

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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 stations. You have also been given the source station, src, and a destination station, dest. Return the minimum number of buses someone must take to travel from src ...