Problem
A 「UOI-R1」询问
B 「UOI-R1」磁铁
C 「UOI-R1」智能推荐
D 「UOI-R1」求和

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20250925集训——UOI-R1重现赛

Status: Done
Rule: IOI
Problem: 4
Start at: 2025-9-25 19:00
End at: 2025-9-25 21:06
Duration: 2.1 hour(s)
Host: SamuelXuch
Partic.: 28