Problems from Northwestern Europe Regional Contest (NWERC) 2015

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Assigning Workstations	12856	3125	24%	0.05	2239	1941	87%	3.3
Better Productivity	507	108	21%	0.00	122	79	65%	7.4
Cleaning Pipes	986	284	29%	0.01	250	192	77%	5.2
Debugging	1372	382	28%	0.00	396	291	73%	6.1
Elementary Math	2713	824	30%	0.00	655	510	78%	4.8
Flight Plan Evaluation	171	79	46%	0.00	62	56	90%	5.5
Guessing Camels	1027	343	33%	0.04	310	212	68%	6.9
Hole in One	294	60	20%	0.00	59	46	78%	8.4
Identifying Map Tiles	3109	1952	63%	0.00	1839	1766	96%	1.6
Jumbled Communication	1926	1244	65%	0.00	1125	1049	93%	2.1
Kitchen Combinatorics	1395	456	33%	0.00	280	232	83%	5.4