Problems from Waterloo/Alberta Programming Contest 2004-06-12

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Expanding Rods	0.00	297	194	145	75%	6.0Hard	en
Grid Speed	0.04	2453	20	10	50%	6.0Hard	en
Marbles On A Tree	0.00	246	825	734	89%	3.1Medium	en
Three Powers	0.00	81	1597	1454	91%	2.3Easy	en
Work Reduction	0.00	343	526	387	74%	5.3Medium	en