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RnB

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Accepted problems：18 problems

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Virtual Participations：2 contests

Name	Start time
Petrozavodsk Winter 2021. Day 6. PKU Contest 2	2025-10-01 21:10:50
Petrozavodsk Winter 2021. Day 4. PKU Contest (Common Contest 1)	2025-09-24 14:08:23