Problem
A 种花
B 喵了个喵
C 建造军营
D 比赛

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NOIP3测

Status: Done
Rule: OI
Problem: 4
Start at: 2024-11-11 18:00
End at: 2024-11-11 21:30
Duration: 3.5 hour(s)
Host: root
Partic.: 6