Problem
A usaco-1.1.1 你要乘坐的飞碟在这里
B usaco-1.1.2 贪婪的礼物送礼者
C usaco-1.1.3 黑色星期五
D usaco-1.2.1 挤牛奶
E usaco-1.2.2 方块转换

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NOCOW模拟赛（小学高年级、初中低年级水准）

Status: Done
Rule: ACM/ICPC
Problem: 5
Start at: 2024-8-25 9:00
End at: 2024-8-29 13:00
Duration: 100 hour(s)
Host: administrator
Partic.: 18