Problems from Northwestern Europe Contest (NWERC) 2008

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Cat vs. Dog	1180	383	32%	0.00	300	218	73%	5.5
Disgruntled Judge	191	116	61%	0.00	98	90	92%	3.6
Easy Climb	89	17	19%	0.00	17	13	76%	6.8
Equilibrium Mobile	600	231	38%	0.02	137	118	86%	3.8
Matchsticks	884	236	27%	0.00	198	156	79%	4.3
Proving Equivalences	1742	492	28%	0.02	391	315	81%	5.3
Sculpture	19	10	53%	0.05	12	10	83%	7.1
Shuffle	126	58	46%	0.02	51	37	73%	6.8
Videopoker	34	21	62%	0.04	19	18	95%	4.8
White Water Rafting	1332	520	39%	0.00	395	333	84%	3.2