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

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Expanding Rods	0.00	297	1044	217	21%	6.5Hard	en
Grid Speed	0.04	2453	98	14	14%	6.2Hard	en
Marbles On A Tree	0.00	264	2767	1011	37%	3.1Medium	en
Three Powers	0.00	81	3956	1824	46%	2.4Easy	en
Work Reduction	0.00	343	2326	606	26%	5.7Hard	en