Problem
A 回文立方数
B 数学小店的奇妙兑换
C 烧烤
D Min/Max 求和

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0820

Status: Done
Rule: IOI
Problem: 4
Start at: 2025-8-20 8:30
End at: 2025-8-20 12:00
Duration: 3.5 hour(s)
Host: kcs007
Partic.: 70