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	38642	22038	57%	1.2Easy	en
Crne	0.00	5	3706	1452	39%	2.6Easy	en
Kemija	0.00	320	1141	210	18%	8.6Hard	en
Pravokutni	0.14	432	324	87	27%	5.7Hard	en
Prva	0.00	75	2778	1723	62%	1.6Easy	en
Turbo	0.01	221	4079	1889	46%	4.6Medium	en