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Grokking the Coding Interview Patterns in C#

Parallel Courses

Understand how to compute the minimum number of semesters required to complete all courses given prerequisite constraints. Explore the application of topological sort in scheduling courses, detect cycles that make completion impossible, and practice solving these problems in a coding environment.

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Statement

You are designing a course schedule for a university with n courses, labeled from 1 to n. The prerequisite requirements are given in an array, relations, where each relations[i]=[prevCoursei,nextCoursei]\text{relations}[i] = [\text{prevCourse}_i, \text{nextCourse}_i] means that prevCoursei\text{prevCourse}_i ...