ZSTUOJ

	题目编号	标题	来源/分类	解决	提交
	1814	Return of the Jedi	Waterloo Local 2002.01.26	0	0
	1815	Discrete Logging	Waterloo Local 2002.01.26	22	28
	1816	Hardwood Species	Waterloo Local 2002.01.26	23	25
	1817	Forests	Waterloo Local 2002.01.26	375	521
	1818	A Star not a Tree?	Waterloo Local 2002.01.26	13	17