2019 - 题库 - HydroOJ

ID	题目显示标签隐藏标签	AC / 尝试	难度
18	USACOC1911A 重新分区 2019 USACO 铂金组省选	0 / 0	(无)
19	USACOC1911B 晨跑路线 2019 USACO 铂金组省选	0 / 0	(无)
20	USACOC1911C 列车追踪 2019 USACO 铂金组省选	0 / 0	(无)
22	USACOC1912A Cow Poetry 2019 USACO 黄金组提高	0 / 0	(无)
23	USACOC1912B Sleepy Cow Sorting 2019 USACO 黄金组提高	0 / 0	(无)
24	USACOC1912C ShortCut 2019 USACO 黄金组提高	0 / 0	(无)
26	USACOC1921A Cow Dating 2019 USACO 铂金组省选	0 / 0	(无)
27	USACOC1921B Moorio Kart 2019 USACO 铂金组省选	0 / 0	(无)

根据当前过滤条件随机选择一道题

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