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

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Expanding Rods	0.00	297	1066	226	21%	6.3Hard	en
Grid Speed	0.04	2453	105	13	12%	6.4Hard	en
Marbles On A Tree	0.00	264	2759	1026	37%	3.0Medium	en
Three Powers	0.00	81	3921	1786	46%	2.4Easy	en
Work Reduction	0.00	343	2332	602	26%	5.6Hard	en