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	36247	20890	58%	1.3Easy	en
Crne	0.00	5	3373	1330	39%	2.6Easy	en
Kemija	0.00	320	1043	201	19%	8.6Hard	en
Pravokutni	0.14	442	274	74	27%	5.9Hard	en
Prva	0.00	75	2575	1601	62%	1.7Easy	en
Turbo	0.01	221	3729	1748	47%	4.4Medium	en