The USACO 2013 March contest is available now. Participation is free, and open to all.
There will be 3 problems and you will have 4 hours to complete them.Supported languages are C, C++, Pascal, Java and Python.
You can take the contest during any contiguous 4-hour block of time you want.
The contest is open until until March 11.Check the deadline to start the contest in your timezone here.
Please don't discuss the contest problems before it ends(deadline + 4 hours).
UPD:Contest is over.Now you can discuss the problems.