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	5657	2998	53%	1.8Easy	en
Cudak	0.00	502	1262	300	24%	6.6Hard	en
Dejavu	0.00	110	1202	504	42%	3.2Medium	en
Oktalni	0.00	5	2905	1550	53%	1.8Easy	en
Redoks	0.23	1083	105	37	35%	7.4Hard	en
Tajna	0.00	5	2270	1204	53%	2.1Easy	en