The competition commences with a 72-hour Qualification Round on January 8, 2011 at 0:00 UTC (January 7, 2011 at 4:00 PM PST) and ends on January 11, 2011 at 0:00 UTC (January 10, 2011 at 4:00 PM PST). All registered competitors will be presented with three problems. Each problem will consist of one input file. Competitors can log in to the competition website and attempt to solve the 3 problems anytime during the 72-hour period of the Qualification Round. Only competitors who correctly solve at least 1 problem will advance to Online Round 1.