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Course Schedule II

Explore how to use topological sort to find valid course orders considering prerequisites and detect impossible schedules due to cycles. This lesson helps you implement solutions to course scheduling problems, enhancing your grasp of algorithmic patterns relevant to coding interviews.

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 ...