Facebook just posted their Hacker Cup 2011 Competition. I was thinking of participating. I should have time, since I'll be on my work term by then. It's been a while since I participated in these sorts of contests. I had some fun with them in high school. If you want to work for Facebook (I don't), this seems like a great way to get their attention. I can imagine that the problems will be similar to the Facebook puzzles. Perhaps I should do some of those for practice.
Any of you planning on participating?