Problems from Croatian Open Competition in Informatics 2009/2010, contest #1

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Aladin	0.06	1394	164	34	21%	8.8Hard	en
Dobra	0.00	295	1065	870	82%	3.7Medium	en
Genijalac	0.01	322	48	38	79%	5.6Hard	en
Mali	0.03	326	794	598	75%	5.1Medium	en