Problems from Croatian Open Competition in Informatics 2010/2011, contest #1

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Ljutnja	0.01	114	3957	819	21%	4.9Medium	en
Sretan	0.00	13	928	481	52%	3.1Medium	en
Žabe	0.00	1400	62	6	10%	8.4Hard	en