Problems from Northwestern Europe Regional Contest (NWERC) 2015

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Assigning Workstations	11373	2800	25%	0.05	1977	1715	87%	3.4
Better Productivity	463	98	21%	0.00	114	72	63%	7.9
Cleaning Pipes	963	271	28%	0.01	239	181	76%	5.5
Debugging	1275	353	28%	0.00	364	267	73%	6.0
Elementary Math	2384	724	30%	0.00	595	464	78%	5.0
Flight Plan Evaluation	168	76	45%	0.00	60	54	90%	5.2
Guessing Camels	960	322	34%	0.04	292	197	67%	6.6
Hole in One	268	53	20%	0.00	51	41	80%	7.9
Identifying Map Tiles	2921	1823	62%	0.00	1721	1652	96%	1.6
Jumbled Communication	1750	1143	65%	0.00	1031	960	93%	2.1
Kitchen Combinatorics	1345	441	33%	0.00	265	220	83%	5.0