In this video, I explained the solution to Codeforces Round #656 (Div. 3) Problem E: Directing Edges.
Before watching the video, try to solve the problem on your own here: https://codeforces.com/contest/1385/problem/E
See my solution here: https://repl.it/@LotusFlower7/Directing-Edges#main.cpp
If you want to read further into topological sorting, here is a good article: https://www.geeksforgeeks.org/topolog.... A simple Google search will give you many other great articles too.
Here is another problem that requires topological sort that I went over before: https://www.youtube.com/watch?v=yyrOo8YCsFc
Thank you for watching and make sure to check out other videos!
This video was created by Edward from TheCodeBakery.
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