Problems from Northwestern Europe Contest (NWERC) 2008

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Cat vs. Dog	1036	331	32%	0.00	247	179	72%	5.4
Disgruntled Judge	121	78	64%	0.00	64	59	92%	3.5
Easy Climb	67	8	12%	0.03	12	8	67%	6.8
Equilibrium Mobile	471	184	39%	0.02	94	79	84%	4.3
Matchsticks	588	159	27%	0.00	136	106	78%	4.0
Proving Equivalences	1290	371	29%	0.02	282	227	80%	5.2
Sculpture	17	8	47%	0.05	10	8	80%	7.1
Shuffle	85	45	53%	0.02	37	28	76%	7.2
Videopoker	25	15	60%	0.04	12	12	100%	4.3
White Water Rafting	1046	392	37%	0.00	336	280	83%	3.4