Problems from Northwestern Europe Contest (NWERC) 2008

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Cat vs. Dog	1051	334	32%	0.00	251	182	73%	5.4
Disgruntled Judge	124	80	65%	0.00	66	61	92%	3.5
Easy Climb	69	8	12%	0.03	13	8	62%	7.7
Equilibrium Mobile	473	185	39%	0.02	96	80	83%	4.3
Matchsticks	615	165	27%	0.00	143	111	78%	4.1
Proving Equivalences	1348	389	29%	0.02	297	239	80%	5.2
Sculpture	18	9	50%	0.05	11	9	82%	7.0
Shuffle	90	48	53%	0.02	40	31	78%	6.9
Videopoker	26	15	58%	0.04	13	12	92%	5.4
White Water Rafting	1046	392	37%	0.00	336	280	83%	3.3