__SAK__'s blog

By __SAK__, history, 18 months ago, In English

You might have seen the problem Course Schedule on Leetcode [https://leetcode.com/problems/course-schedule/] Here the ans just comes down to finding if there exists a cycle in the graph or not. I wanted to find the how many total courses can I take if not all the courses. One approach I thought was a multisource BFS with maintaining the indegree for each node and updating it but it would be quite slow. Can anyone suggest any faster method?

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