Problems from Northwestern Europe Regional Contest (NWERC) 2015

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Assigning Workstations	6288	1410	22%	0.05	1049	893	85%	3.5
Better Productivity	348	77	22%	0.00	88	60	68%	7.0
Cleaning Pipes	817	231	28%	0.01	194	150	77%	5.0
Debugging	863	245	28%	0.00	261	192	74%	5.8
Elementary Math	1695	561	33%	0.00	447	344	77%	5.2
Flight Plan Evaluation	137	63	46%	0.00	49	45	92%	3.7
Guessing Camels	783	262	33%	0.04	238	162	68%	6.6
Hole in One	234	49	21%	0.00	47	38	81%	7.6
Identifying Map Tiles	2247	1380	61%	0.00	1314	1257	96%	1.6
Jumbled Communication	1279	839	66%	0.00	747	699	94%	2.0
Kitchen Combinatorics	681	244	36%	0.00	212	168	79%	5.5