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Grokking the Coding Interview Patterns in C#

Sort Items by Groups Respecting Dependencies

Explore how to arrange items with group dependencies using topological sorting. Learn to handle prerequisites and ensure group continuity, preparing you to solve related coding interview challenges effectively.

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Statement

You are given nn items indexed from 00 to n−1n − 1. Each item belongs to 00 or one of m groups, described by the array group, where:

  • group[i] represents the group of the ithi^{th} ...