The "Harvard Guide to Happiness" http://www.physics.ohio-state.edu/~wilkins/physics/College-happiness.html
It is equally relevant to any university..
Questions from the class that you can comment on (comment on all or some or none. If you have nothing to say this time, I am sure you will have opportunities later in the semester. I would only be worried if you never had anything to say... The following link from Love and Death has some insightful comments on the quantity vs. quality tradeoff: expounded in the context of a slightly different situation (start at min 3:30)
1. What is i^i
2. If we have access to a program that tests a sequence of numbers to see if they are sorted or not (and returns yes if they are and no if they aren't), we can use it to *make* a sequence sorted by
Generate each permutation of the sequence
Test if the sequence is sorted; if it is, exit loop and return the sequence
What do you think of this as a sorting algorithm?
3. What is the "famous" CS theorem that someone claimed to have proved recently and why is that theorem famous to begin with?