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	34688	20093	58%	1.3Easy	en
Crne	0.00	5	3021	1229	41%	2.8Medium	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	2273	1479	65%	1.7Easy	en
Turbo	0.01	221	3395	1605	47%	4.5Medium	en