Problems from 2016 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A New Alphabet	9968	4478	45%	0.00	4179	3859	92%	1.8
Arcade!	1236	225	18%	0.01	214	155	72%	5.9
Big Truck	4599	1531	33%	0.00	1323	1088	82%	3.2
Brackets	2966	385	13%	0.00	652	303	46%	7.2
Dots and Boxes	203	67	33%	0.00	93	55	59%	7.4
Free Desserts	238	36	15%	0.01	78	25	32%	7.7
Inverse Factorial	6791	1346	20%	0.00	1866	972	52%	6.0
Nine Packs	1690	559	33%	0.00	606	454	75%	4.6
Primonimo	292	99	34%	0.00	103	78	76%	6.4
Quick Estimates	7415	4158	56%	0.00	3958	3743	95%	1.5
Robotopia	4926	694	14%	0.00	1011	554	55%	6.3
Unusual Darts	706	231	33%	0.01	200	148	74%	5.3