A linked list is a pretty trivial data structure that all CS students should learn in their first course. 20 minutes is a long time, and if you couldn't figure

A linked list is a pretty trivial data structure that all CS students should learn in their first course. 20 minutes is a long time, and if you couldn't figure out how to reverse it, at least in pseudo-code, during that time, I would question your grasp of CS fundamentals.