Problems from Northwestern Europe Contest (NWERC) 2008

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Cat vs. Dog	1092	355	33%	0.00	272	195	72%	5.6
Disgruntled Judge	167	99	59%	0.00	81	75	93%	3.4
Easy Climb	80	12	15%	0.03	15	11	73%	6.6
Equilibrium Mobile	519	203	39%	0.02	116	98	84%	4.3
Matchsticks	743	187	25%	0.00	168	131	78%	4.2
Proving Equivalences	1558	435	28%	0.02	341	275	81%	5.3
Sculpture	19	10	53%	0.05	12	10	83%	7.0
Shuffle	121	55	45%	0.02	46	34	74%	6.8
Videopoker	33	20	61%	0.04	18	17	94%	4.9
White Water Rafting	1139	416	37%	0.00	359	297	83%	3.4