Answer 1

Hey there!

I don't know a lot about what you're talking about, so I didn't write this earlier but since it's been 45 mins and no one has replied I thought maybe I should.

Anyways, I found this on the internet:
https://www.codeproject.com/Articles/88674/Graph-coloring-using-Recursive-Large-First-RLF-alg
Maybe it'll be useful.

Hope it helps.