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	809	706	87%	2.7Easy	en
Mravi	0.00	431	122	67	55%	8.4Hard	en
Pripreme	0.00	47	541	479	89%	2.8Medium	en
Sabor	0.11	486	127	99	78%	5.8Hard	en
Stanovi	0.01	311	39	24	62%	7.4Hard	en