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Grokking the Coding Interview Patterns in Python

Course Schedule II

Explore how to use topological sort to find a valid order for completing courses given their prerequisite relationships. Learn to identify cycles that prevent completion and practice solving course scheduling problems using an efficient approach.

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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 ...