ZSTUOJ

	题目编号	标题	来源/分类	解决	提交
	1819	Hay Points	Waterloo local 2002.07.01	20	22
	1820	Jogging Trails	Waterloo local 2002.07.01	0	1
	1821	Beavergnaw	Waterloo local 2002.07.01	6	6
	1822	Power Strings	Waterloo local 2002.07.01	63	101
	1823	Relatives	Waterloo local 2002.07.01	97	149