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Grokking the Coding Interview Patterns in JavaScript

Course Schedule II

Explore how to apply topological sort to solve course scheduling problems by arranging courses in a valid order based on prerequisites. Learn to detect cycles that prevent completion and handle multiple valid sequences efficiently.

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Statement

You are given n courses, labeled from 0 to n - 1. Some courses have prerequisites, which are provided as a list of pairs: prerequisites[i] =[a,b]= [a, b]. To take course aa, you must first complete course bb ...