How to get adjacent vertices from edges?

Question

I have a problem that determines whether the graph has cycles or not and the edges are given.
I am trying to get the adjacency list from the edges but I can't.

List<keyValuePair<string, string>>edges
https://code.sololearn.com/cn0py0CP8B14/?ref=app

Answer 1

Please post the code you have so far. We can then review the code and advise on what you can do to solve the issue.

Answer 2

Elizabeth Kelly
Thank you for the advice. I have posted the code.

Answer 3

David Carroll BroFar Morpheus could either of you assist Esraa Hesham with this question?