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	6438	3362	52%	1.7Easy	en
Cudak	0.00	502	1403	339	24%	6.4Hard	en
Dejavu	0.00	110	1424	588	41%	3.0Medium	en
Oktalni	0.00	5	3251	1690	52%	1.8Easy	en
Redoks	0.23	1083	134	39	29%	7.2Hard	en
Tajna	0.00	5	2490	1308	53%	2.0Easy	en