Problems from Croatian Open Competition in Informatics 2015/2016, contest #4

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Chewbacca	0.02	104	626	531	85%	3.0Medium	en
Deathstar	0.00	24	1553	1494	96%	1.7Easy	en
Endor	0.02	493	55	40	73%	6.7Hard	en
Galaksija	0.11	600	88	70	80%	5.2Medium	en
Han	0.02	331	99	77	78%	4.7Medium	en
Yoda	0.00	136	3467	3115	90%	2.0Easy	en