Problems from 2016 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A New Alphabet	9268	4220	46%	0.00	3938	3644	93%	1.8
Arcade!	1174	213	18%	0.01	204	147	72%	5.9
Big Truck	4346	1461	34%	0.00	1258	1041	83%	3.0
Brackets	2916	377	13%	0.00	639	297	46%	7.1
Dots and Boxes	199	64	32%	0.00	92	53	58%	8.4
Free Desserts	223	36	16%	0.01	77	25	32%	8.3
Inverse Factorial	6478	1291	20%	0.00	1779	927	52%	5.5
Nine Packs	1653	541	33%	0.00	587	437	74%	4.6
Primonimo	289	98	34%	0.00	101	77	76%	6.0
Quick Estimates	6781	3810	56%	0.00	3622	3430	95%	1.5
Robotopia	4806	681	14%	0.00	990	542	55%	6.1
Unusual Darts	641	219	34%	0.01	191	140	73%	5.3