Problems from Croatian Open Competition in Informatics 2007/2008, contest #2

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Bijele	0.00	5	37068	21328	58%	1.3Easy	en
Crne	0.00	5	3548	1399	39%	2.7Easy	en
Kemija	0.00	320	1092	208	19%	8.7Hard	en
Pravokutni	0.14	432	300	84	28%	5.8Hard	en
Prva	0.00	75	2662	1664	63%	1.7Easy	en
Turbo	0.01	221	3918	1830	47%	4.2Medium	en