Problems from Croatian Open Competition in Informatics 2011/2012, contest #5

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Blokovi	0.02	100	74	19	26%	7.1Hard	en
DNA	0.00	53	987	385	39%	4.8Medium	en
Eko	0.04	86	1575	473	30%	3.6Medium	en
Križaljka	0.00	100	2219	1208	54%	1.8Easy	en
Popločavanje	0.11	853	374	86	23%	6.3Hard	en
Razbibriga	0.01	242	249	111	45%	6.1Hard	en