Problem
A 【深基6.习6】[USACO1.1] 你的飞碟在这儿 Your Ride Is Here

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测试

Status: Done
Rule: IOI
Problem: 1
Start at: 2024-7-8 20:15
End at: 2024-7-8 21:15
Duration: 1 hour(s)
Host: root
Partic.: 4