Problems from 2016 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A New Alphabet	14973	6837	46%	0.00	6369	5872	92%	1.7
Arcade!	1382	256	19%	0.01	247	175	71%	6.0
Big Truck	5530	1907	34%	0.00	1583	1327	84%	3.0
Brackets	3319	473	14%	0.00	732	367	50%	7.1
Dots and Boxes	267	96	36%	0.00	119	75	63%	7.5
Free Desserts	297	47	16%	0.01	100	34	34%	8.8
Inverse Factorial	9063	1968	22%	0.00	2379	1324	56%	6.0
Nine Packs	3220	1092	34%	0.00	879	681	77%	4.4
Primonimo	372	139	37%	0.00	134	103	77%	6.3
Quick Estimates	12460	6990	56%	0.00	6526	6202	95%	1.5
Robotopia	6177	960	16%	0.00	1223	717	59%	5.6
Unusual Darts	932	304	33%	0.01	250	191	76%	5.1