Your use of Stack Overflow’s Products and Services, including the Stack Overflow Network, is subject to these policies and terms.
Join us in building a kind, collaborative learning community via our updated
Code of Conduct.
I understand how to systematically draw a tree for permutations. How do you do this for combinations? In my book, I don't see a system to avoid repetitions. I'd like to draw a tree of 5C3 if possible. Any thoughts?