Problems from CTU Open 2008

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Alea iacta est	45	16	36%	0.19	20	15	75%	6.7
Careful Declaration	234	65	28%	0.28	57	40	70%	7.8
Government Help	277	138	50%	0.02	112	83	74%	6.5
Tree Insertion	962	542	56%	0.00	451	401	89%	2.2
Wooden Fence	53	29	55%	0.46	24	17	71%	6.2