Problems from Croatian Open Competition in Informatics 2009/2010, contest #5

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Chuck	0.01	2601	30	5	17%	6.4Hard	en
Cudoviste	0.00	75	4856	3428	71%	1.5Easy	en
Kletva	0.01	492	309	77	25%	5.9Hard	en
Program	0.15	330	974	213	22%	7.9Hard	en
Sok	0.00	73	3058	1817	59%	1.8Easy	en
Zuma	0.00	5	187	50	27%	7.9Hard	en