For those who are practicing for ICPC contest, I use to practice in COJ and it have real contest many times and fortunately many are public, this online judge is host of many latin contest (Cuba, México, Argentina, etc) and we could enter to practice, many of this contests are for preparing for ICPC contest, you are welcome to participate if you want, the problems are from latin problem setters. It would be good if we discuss the problems here affter contest.
P.S: This is a five hours contest with normal ICPC rules.
http://coj.uci.cu/contest/contestview.xhtml?cid=1318
It starts in 10 hours: http://www.timeanddate.com/worldclock/fixedtime.html?day=29&month=10&year=2013&hour=11&min=30&sec=0&p1=99