Problems from Northwestern Europe Regional Contest (NWERC) 2015

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Assigning Workstations	8092	1760	22%	0.05	1309	1119	85%	3.6
Better Productivity	390	81	21%	0.00	102	64	63%	8.3
Cleaning Pipes	911	248	27%	0.01	221	165	75%	5.6
Debugging	1062	297	28%	0.00	306	226	74%	6.0
Elementary Math	1773	594	34%	0.00	476	370	78%	5.1
Flight Plan Evaluation	151	69	46%	0.00	53	49	92%	3.8
Guessing Camels	886	290	33%	0.04	262	178	68%	6.6
Hole in One	234	49	21%	0.00	47	38	81%	7.6
Identifying Map Tiles	2379	1486	62%	0.00	1413	1356	96%	1.5
Jumbled Communication	1423	941	66%	0.00	828	777	94%	2.0
Kitchen Combinatorics	1236	373	30%	0.00	244	200	82%	5.1