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

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Cetiri	0.00	59	3436	3180	93%	1.8Easy	en
Cudak	0.00	502	319	236	74%	5.4Medium	en
Dejavu	0.00	110	527	462	88%	2.7Easy	en
Oktalni	0.00	20	1689	1578	93%	1.7Easy	en
Redoks	0.23	1083	44	27	61%	8.0Hard	en
Tajna	0.00	91	1269	1171	92%	2.0Easy	en