Problems from Northwestern Europe Contest (NWERC) 2008

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Cat vs. Dog	1229	402	33%	0.00	312	225	72%	5.6
Disgruntled Judge	194	117	60%	0.00	99	91	92%	3.7
Easy Climb	89	17	19%	0.00	17	13	76%	6.8
Equilibrium Mobile	756	284	38%	0.02	156	137	88%	3.6
Matchsticks	939	262	28%	0.00	208	166	80%	4.4
Proving Equivalences	1852	507	27%	0.02	406	324	80%	5.3
Sculpture	20	10	50%	0.05	13	10	77%	7.1
Shuffle	135	59	44%	0.02	54	38	70%	6.8
Videopoker	34	21	62%	0.04	19	18	95%	4.8
White Water Rafting	1563	632	40%	0.00	453	388	86%	3.2