While we're on the topic of contests, HW, etc., I wanted to remind people of this thread: Request from PRIMES to keep an eye out for their problemsRequest from PRIMES to keep an eye out for their problems Generally, use caution around the handling of student problems (there is an argument for never addressing them at all, although Putnam-type problems have come up before in discussion at MO).
replaced http://meta.mathoverflow.net/ with https://meta.mathoverflow.net/