Problems from Croatian Open Competition in Informatics 2014/2015, contest #4

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Mravi	0.00	271	2951	924	31%	2.5Easy	en
Mravi	0.00	431	537	110	20%	8.6Hard	en
Pripreme	0.00	5	1117	551	49%	2.8Medium	en
Sabor	0.11	486	403	146	36%	6.0Hard	en
Stanovi	0.01	5	139	32	23%	7.9Hard	en