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	35976	20751	58%	1.3Easy	en
Crne	0.00	5	3346	1317	39%	2.6Easy	en
Kemija	0.00	320	1036	200	19%	8.6Hard	en
Pravokutni	0.14	442	273	73	27%	6.0Hard	en
Prva	0.00	75	2557	1587	62%	1.7Easy	en
Turbo	0.01	221	3576	1667	47%	4.7Medium	en