Problems from Croatian Open Competition in Informatics 2015/2016, contest #2

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Artur	0.01	566	143	104	73%	6.3Hard	en
Država	0.09	1490	31	20	65%	6.5Hard	en
Geppetto	0.00	95	1973	1740	88%	2.0Easy	en
Marko	0.00	58	1061	997	94%	1.8Easy	en
Savez	0.02	377	85	63	74%	5.8Hard	en
Vudu	0.11	409	201	167	83%	4.7Medium	en