HUSTOJ

Problem ID	Title	Source/Category	Solved	Submit
1636	【2019-OP-S3】Fence Planning	USACO 图论深搜并查集	2	4
1644	【2019-01-S1】Grass Planting	USACO 图论	2	2
1700	【2016-12-S3】Moocast	USACO 深搜图论	2	6