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	10237	5994	59%	1.5Easy	en
Mjehuric	0.00	69	8577	4511	53%	1.7Easy	en
Periodni	0.00	1578	97	28	29%	7.4Hard	en
Rot	0.00	340	558	218	39%	3.1Medium	en
Slikar	0.01	1082	215	87	40%	5.0Medium	en
Trezor	0.00	990	114	29	25%	5.0Medium	en