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Grokking the Coding Interview Patterns in Go

Solution: Parallel Courses III

Understand how to apply topological sort to solve scheduling problems involving course prerequisites and durations. This lesson guides you through building dependency graphs, updating completion times, and finding the minimum months needed to finish all courses efficiently.

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Statement  

You are tasked with determining the minimum time required to complete a set of courses, given their prerequisite relationships and individual durations.

There are n courses labeled from 1 to n. The prerequisite relationships between these courses are provided as a 2D integer array relations, where each entry relations[j]=[prevCoursej,nextCoursej]\text{relations}[j] = [\text{prevCourse}_j, \text{nextCourse}_j] ...