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	124	624	529	85%	3.0Medium	en
Deathstar	0.00	24	1532	1473	96%	1.7Easy	en
Endor	0.02	493	57	41	72%	7.0Hard	en
Galaksija	0.11	600	90	72	80%	4.9Medium	en
Han	0.02	331	99	78	79%	4.4Medium	en
Yoda	0.00	136	3440	3089	90%	2.1Easy	en