Problem
A 幻形之路
B 方阵谜题
C 垃圾分类

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8.4日竞赛3班训练

Status: Done
Rule: IOI
Problem: 3
Start at: 2025-8-5 18:00
End at: 2025-8-5 21:00
Duration: 3 hour(s)
Host: 管理员Ter (admin)
Partic.: 8