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Grokking the Coding Interview Patterns in Go

Course Schedule II

Understand how to apply topological sort to organize courses with prerequisites. Learn to find valid course completion orders, detect cycles that prevent scheduling, and prepare for interview questions involving dependency resolution.

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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 ...