Problem
A 舞蹈机器人（dance）
B 狗是啥呀（dog）
C 枢纽（junction）
D 魔法药水（potion）

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0927

Status: Done
Rule: OI
Problem: 4
Start at: 2025-9-27 8:00
End at: 2025-9-27 11:30
Duration: 3.5 hour(s)
Host: kcs007
Partic.: 62