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	34459	19974	58%	1.3Easy	en
Crne	0.00	5	2999	1227	41%	2.7Easy	en
Kemija	0.00	320	1041	202	19%	8.7Hard	en
Pravokutni	0.14	442	268	74	28%	6.3Hard	en
Prva	0.00	75	2260	1469	65%	1.7Easy	en
Turbo	0.01	221	3377	1595	47%	4.6Medium	en