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haojiandan
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0
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格言
Rating 變化
已解決的問題：共 43 道題
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Tried problems：共 2 道題
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無Virtual Participations：共 2 场比赛
| Name | Start time |
|---|---|
| International Olympiad in Informatics 2023 Day 2 | 2023-09-07 13:17:34 |
| International Olympiad in Informatics 2023 Day 1 | 2023-09-06 13:15:47 |