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porridge

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1800

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0

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Accepted problems：0 problem

None

Tried problems：4 problems

21686 21687 21688 21689

Authored problems：0 problem

None

Virtual Participations：2 contests

Name	Start time
Public NOIP Round #2 (Div. 1, 提高)	2023-03-01 08:33:08
Public NOIP Round #4 (Div. 1, 提高)	2023-02-28 15:56:40