Problems from Northwestern Europe Contest (NWERC) 2008

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Cat vs. Dog	1634	492	30%	0.00	380	267	70%	5.5
Disgruntled Judge	245	149	61%	0.00	133	121	91%	3.9
Easy Climb	182	43	24%	0.00	40	31	78%	6.7
Equilibrium Mobile	1020	378	37%	0.02	192	166	86%	3.9
Matchsticks	1423	394	28%	0.00	341	259	76%	4.3
Proving Equivalences	2375	629	26%	0.02	510	412	81%	5.7
Sculpture	27	13	48%	0.05	18	13	72%	7.8
Shuffle	172	76	44%	0.02	71	52	73%	6.8
Videopoker	50	24	48%	0.04	24	20	83%	6.7
White Water Rafting	1883	771	41%	0.00	571	499	87%	3.2