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	5317	2784	52%	1.8Easy	en
Cudak	0.00	502	1194	294	25%	6.9Hard	en
Dejavu	0.01	110	1154	477	41%	3.4Medium	en
Oktalni	0.00	5	2726	1452	53%	2.0Easy	en
Redoks	0.23	1083	86	34	40%	6.8Hard	en
Tajna	0.00	5	2050	1123	55%	2.1Easy	en