Problem
A 火山喷发(volcano.cpp)
B 数据修复(repair.cpp)
C 出题人(hack.cpp)

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11.12预科班测试

Status: Done
Rule: OI
Problem: 3
Start at: 2023-11-12 11:00
End at: 2023-11-12 14:00
Duration: 3 hour(s)
Host: Hydro
Partic.: 2