User talk:Jff

Re: IMO problem

Please don't just link to a solution; such things are under copyright. If it isn't copyright, copy and paste the solution into the problem page; don't provide the link. Temperalxy 17:33, 29 October 2007 (EDT)

Mmm, I'll do it for you, then. I'm too nitpicky to have a link sitting around. Temperalxy 20:13, 29 October 2007 (EDT)
Invalid username
Login to AoPS