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Nostalgia
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Accepted problems：3 problems
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NoneVirtual Participations：2 contests
| Name | Start time |
|---|---|
| Central European Olympiad in Informatics 2022 Day 1 (CEOI 2022 Day 1) | 2024-01-23 18:00:01 |
| Public NOIP Round #1 (Div. 1, 提高) | 2023-06-22 21:57:45 |