Problems from Northwestern Europe Contest (NWERC) 2008

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Cat vs. Dog	915	277	30%	0.00	209	147	70%	5.4
Disgruntled Judge	96	58	60%	0.00	45	40	89%	4.3
Easy Climb	47	4	9%	0.03	7	4	57%	7.0
Equilibrium Mobile	385	121	31%	0.02	77	65	84%	4.8
Matchsticks	333	86	26%	0.00	100	71	71%	4.9
Proving Equivalences	882	261	30%	0.02	205	169	82%	4.9
Sculpture	8	6	75%	0.05	7	6	86%	6.3
Shuffle	73	39	53%	0.02	29	22	76%	6.4
Videopoker	12	8	67%	0.78	8	8	100%	5.0
White Water Rafting	775	296	38%	0.00	254	215	85%	3.0