Problem
A 初一数学签到题
B 另类数独问题
C 奶牛量子力学

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欢度五一假前小结赛天河B23

Status: Done
Rule: IOI
Problem: 3
Start at: 2025-4-29 19:00
End at: 2025-4-29 21:30
Duration: 2.5 hour(s)
Host: zengfj
Partic.: 12