---
title: "Discussion on \"Course Schedule 2\" | Hashnode"
description: "Discussion on \"Course Schedule 2\". Problem\nThere are a total of numCourses courses you have to take, labeled from 0 to numCourses - 1. You are given an array prerequisites where prerequisites[i] = [ai, bi] indicates that you must take course bi first if you want to take course ai.\n\nFo..."
url: "https://hashnode.com/posts/course-schedule-2/68a32b2ba10d174c156ad2e1"
---

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# [Course Schedule 2](https://chetan77.hashnode.dev/course-schedule-2?utm_source=hashnode&utm_medium=feed)

Problem There are a total of numCourses courses you have to take, labeled from 0 to numCourses - 1. You are given an array prerequisites where prerequisites\[i\] = \[ai, bi\] indicates that you must take course bi first if you want to take course ai. Fo...

Aug 18, 2025 · 2 min read · chetan77.hashnode.dev  
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## Written by

[Chetan Datta](https://hashnode.com/@chetan77)

@chetan77 · Hyderabad, India

  
[View profile](https://hashnode.com/@chetan77)

Software Engineer

I share my learnings here. Thanks for reading.

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