Problem
A 考级202103-1：字符菱形
B 考级202103-2：与圆相关的计算
C 考级202103-3：苹果和虫子 2
D 考级202103-4：奇数求和
E 考级202103-5：药房管理

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一级，还是一级（第4轮）

Status: Done
Rule: ACM/ICPC
Problem: 5
Start at: 2023-7-26 9:30
End at: 2023-8-20 9:30
Duration: 600 hour(s)
Host: aging
Partic.: 21