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Ural State University
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Welcome to the Timus Online Judge,
Problem Archive with Online Judge System

The next online contest in: 2 days

The Timus Online Judge is the largest Russian archive of problems from different programming contests. You may test your skills trying to solve these problems or taking part in online programming contests, which are regular here. The Timus Online Judge is the online judging system that works 24/7. The system will check your solution in a moment and you'll get the judgement result. The server was created and managed by Ural State University students.

First of all, read Frequently Asked Questions carefully.

Then, choose a problem, solve it and submit it. To submit your solution, please, use this page.

If you want to publish your problems or hold your own online programming contest, just contact us.