Problems from Croatian Open Competition in Informatics 2007/2008, contest #2

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Bijele	0.00	30	21118	20349	96%	1.2Easy	en
Crne	0.00	6	1475	1282	87%	2.5Easy	en
Kemija	0.00	320	358	100	28%	8.6Hard	en
Pravokutni	0.14	432	81	64	79%	5.8Hard	en
Prva	0.00	75	1669	1592	95%	1.6Easy	en
Turbo	0.01	221	1454	1184	81%	4.5Medium	en