Problems from Northwestern Europe Contest (NWERC) 2009

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
An Industrial Spy	1439	756	53%	0.02	599	515	86%	3.2
Common Subexpression Elimination	249	82	33%	0.14	46	40	87%	6.2
Divisible Subsequences	1041	473	45%	0.01	370	297	80%	4.4
Fractal	252	81	32%	0.00	87	69	79%	4.4
Mountain Road	94	32	34%	0.08	41	29	71%	7.0
Moving to Nuremberg	259	57	22%	0.08	68	47	69%	7.4
Room Assignments	114	38	33%	0.15	43	35	81%	6.7
Settlers of Catan	416	189	45%	0.00	198	167	84%	4.3
Simple Polygon	875	240	27%	0.01	163	135	83%	5.4
Wormholes	328	67	20%	0.00	59	32	54%	8.3