Problem
A 黄金三角土拨鼠！
B A类B类数
C 张展奕加密术
D 奇妙回文数

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nb1.土拨鼠考试

Status: Done
Rule: IOI
Problem: 4
Start at: 2023-12-13 13:30
End at: 2023-12-17 9:30
Duration: 92 hour(s)
Host: 东明张展奕
Partic.: 1