Problem
A 存钱罐
B 数值计算（1.3）
C 分割队伍（1.5）

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前缀和应用

Status: Done
Rule: IOI
Problem: 3
Start at: 2025-12-31 20:45
End at: 2026-3-25 4:45
Duration: 2000 hour(s)
Host: benyao
Partic.: 38