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	141	101	72%	6.5Hard	en
Država	0.09	1490	29	18	62%	6.6Hard	en
Geppetto	0.00	95	1873	1648	88%	2.2Easy	en
Marko	0.00	58	1056	992	94%	1.8Easy	en
Savez	0.02	491	83	60	72%	5.9Hard	en
Vudu	0.11	409	197	163	83%	4.7Medium	en