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

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Mravi	0.00	271	812	710	87%	2.6Easy	en
Mravi	0.00	431	123	68	55%	8.4Hard	en
Pripreme	0.00	47	555	490	88%	2.8Medium	en
Sabor	0.11	486	129	102	79%	5.5Hard	en
Stanovi	0.01	311	40	25	62%	7.6Hard	en