Problems from Croatian Open Competition in Informatics 2008/2009, contest #4

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Datum	0.00	5	10328	6032	58%	1.6Easy	en
Mjehuric	0.00	69	8662	4540	52%	1.7Easy	en
Periodni	0.00	1578	97	28	29%	7.7Hard	en
Rot	0.00	340	559	219	39%	3.1Medium	en
Slikar	0.01	1082	215	87	40%	5.3Medium	en
Trezor	0.00	990	114	29	25%	5.4Medium	en