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	35854	20701	58%	1.3Easy	en
Crne	0.00	5	3338	1312	39%	2.6Easy	en
Kemija	0.00	320	1035	199	19%	8.6Hard	en
Pravokutni	0.14	442	275	74	27%	6.0Hard	en
Prva	0.00	75	2528	1576	62%	1.7Easy	en
Turbo	0.01	221	3448	1652	48%	4.5Medium	en