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When reporting bugs, submission IDs for the submissions affected by the issue are very helpful for us when debugging. Submission IDs can be seen your submission page. Not including relevant submission IDs in questions/bug reports will most likely just get you a reply asking for one.

Before asking a question, please read How To Ask Questions The Smart Way, which is a general guide to asking questions. Of course, the authors of that document cannot answer questions regarding the judge system.

With these things in mind, feel free to contact us The main way to contact us is via the Clarifications interface, which you can access when logged in. If you cannot log in, you can also send e-mail to [email protected]