Problems from Croatian Open Competition in Informatics 2007/2008, contest #3

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Cetiri	0.00	5	5927	3140	53%	1.7Easy	en
Cudak	0.00	502	1322	321	24%	6.4Hard	en
Dejavu	0.00	110	1324	544	41%	3.2Medium	en
Oktalni	0.00	5	2979	1588	53%	1.7Easy	en
Redoks	0.23	1083	107	38	36%	7.3Hard	en
Tajna	0.00	5	2309	1221	53%	2.0Easy	en