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	6358	3331	52%	1.8Easy	en
Cudak	0.00	502	1385	334	24%	6.5Hard	en
Dejavu	0.00	110	1416	584	41%	3.0Medium	en
Oktalni	0.00	5	3204	1677	52%	1.7Easy	en
Redoks	0.23	1083	133	39	29%	7.1Hard	en
Tajna	0.00	5	2454	1297	53%	2.1Easy	en