Topcoder SRM 798 DIV 2 — Problem 500

Full problem description is here: https://community.topcoder.com/stat?c=problem_statement&pm=16667

Problem description:

[(copied description here so you don’t have to switch tab). Following description, my solution approach to this problem is presented.]

Three logicians walk into a bar. The bartender asks them: “Do all of you want a beer?”

The first logician answers “I don’t know.”

The second logician answers “I don’t know.”