Course Schedule
Last updated
What is Course Schedule?
Given a list of courses and prerequisites, determine if it is possible to finish all courses. This is a cycle detection problem in a directed graph: if any cycle exists, the schedule is impossible. You can solve it with DFS by tracking nodes in the current recursion path. This problem teaches you topological sort thinking and is a gateway to all dependency-based graph problems.
Free resources to learn Course Schedule
More in stage 14: Graphs
Course Schedule: common questions
Can I learn Course Schedule in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Course Schedule in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Course Schedule tutorial for beginners?
It is lesson 86 of 137 in the free LeetCode roadmap, in stage 14, Graphs. If you are new to LeetCode, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.