USACO 2003 U S Open Orange - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
1190	P2180 Bale Figures USACO 2003 U S Open Orange	0 / 0	(无)
1191	P2181 Jumping Cows USACO 2003 U S Open Orange	0 / 0	(无)
1192	P2182 Lost Cows USACO 2003 U S Open Orange	0 / 0	(无)
1193	P2183 Bovine Math Geniuses USACO 2003 U S Open Orange	0 / 0	(无)

根据当前过滤条件随机选择一道题

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