Training contest for schoolchildren

Feb 9, 2012, 6:00:01 PM — Feb 9, 2012, 9:00:01 PM
Duration 3 hours
By last solution
Participant's result will be calculated as sum of all passed tests. If participant submitted multiple solutions, the last one will be taken.
Open competition
Everyone registered on the website will automatically participate in the competition

During the contest, testing tests the condition at the end of retest on the full set of tests