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The 2nd Universal Cup Finals is coming! Check out our event page, schedule, and competition rules!

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Octagons

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Accepted problems：11 problems

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Tried problems：7 problems

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Virtual Participations：9 contests

Name	Start time
2023 Canadian Computing Olympiad Day 2	2025-02-20 00:30:18
(China) National Olympiad in Informatics 2019 Day 1	2025-01-28 20:57:22
(China) National Olympiad in Informatics 2018 Day 2	2024-12-30 17:07:13
(China) National Olympiad in Informatics 2018 Day 1	2024-12-29 16:05:12
(China) National Olympiad in Informatics 2017 Day 2	2024-12-24 17:41:49
(China) National Olympiad in Informatics 2017 Day 1	2024-12-23 23:35:42
European Girls' Olympiad in Informatics 2024 Day 1	2024-11-12 16:00:46
International Olympiad in Informatics 2022 Day 2	2024-08-30 18:53:13
International Olympiad in Informatics 2022 Day 1	2024-08-28 14:40:09