Problems from Northwestern Europe Regional Contest (NWERC) 2015

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Assigning Workstations	8584	1867	22%	0.05	1382	1188	86%	3.7
Better Productivity	390	81	21%	0.00	102	64	63%	8.3
Cleaning Pipes	915	251	27%	0.01	222	166	75%	5.6
Debugging	1095	306	28%	0.00	315	233	74%	5.9
Elementary Math	1839	607	33%	0.00	492	382	78%	5.2
Flight Plan Evaluation	151	69	46%	0.00	53	49	92%	3.8
Guessing Camels	904	299	33%	0.04	265	182	69%	6.5
Hole in One	234	49	21%	0.00	47	38	81%	7.6
Identifying Map Tiles	2512	1580	63%	0.00	1488	1429	96%	1.5
Jumbled Communication	1458	965	66%	0.00	851	799	94%	2.0
Kitchen Combinatorics	1279	415	32%	0.00	246	202	82%	5.1