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	21416	20648	96%	1.2Easy	en
Crne	0.00	6	1528	1331	87%	2.4Easy	en
Kemija	0.00	320	362	102	28%	8.5Hard	en
Pravokutni	0.14	413	84	66	79%	6.3Hard	en
Prva	0.00	75	1689	1610	95%	1.6Easy	en
Turbo	0.01	221	1493	1218	82%	4.3Medium	en