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

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Bijele	0.00	30	21284	20517	96%	1.2Easy	en
Crne	0.00	6	1506	1310	87%	2.5Easy	en
Kemija	0.00	320	362	102	28%	8.5Hard	en
Pravokutni	0.14	432	82	65	79%	5.7Hard	en
Prva	0.00	75	1681	1602	95%	1.6Easy	en
Turbo	0.01	221	1471	1197	81%	4.7Medium	en