Problems from 2016 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A New Alphabet	10970	4909	45%	0.00	4546	4202	92%	1.7
Arcade!	1269	232	18%	0.01	224	159	71%	6.1
Big Truck	4868	1636	34%	0.00	1400	1158	83%	3.2
Brackets	3055	404	13%	0.00	668	321	48%	6.9
Dots and Boxes	206	68	33%	0.00	94	56	60%	7.3
Free Desserts	238	36	15%	0.01	78	25	32%	7.9
Inverse Factorial	7364	1526	21%	0.00	1985	1064	54%	5.6
Nine Packs	1946	629	32%	0.00	667	510	76%	4.3
Primonimo	297	101	34%	0.00	105	80	76%	6.5
Quick Estimates	8656	4833	56%	0.00	4535	4297	95%	1.4
Robotopia	5252	765	15%	0.00	1058	585	55%	6.3
Unusual Darts	753	251	33%	0.01	217	161	74%	5.4