Problems from Croatian Open Competition in Informatics 2006/2007, contest #5

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Dvaput	0.02	473	3966	1190	30%	4.6Medium	en
Ivana	0.00	5	347	142	41%	5.0Medium	en
Liga	0.00	510	1855	181	10%	7.2Hard	en
Natrij	0.00	119	7883	2463	31%	2.8Medium	en
Tenis	0.00	584	3441	467	14%	3.8Medium	en
Trik	0.00	5	27098	15337	57%	1.4Easy	en