HUSTOJ

Problem ID	Title	Source/Category	Solved	Submit
1651	【2018-12-S2】Convention II	USACO 贪心优先队列	2	3
1686	【2017-02-S1】Why Did the Cow Cross the Road	USACO 贪心优先队列	2	4
1692	【2017-01-S1】Cow Dance Show	USACO 分治优先队列	3	5