Problems from 2016 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A New Alphabet	8470	3838	45%	0.00	3590	3322	93%	1.7
Arcade!	1122	202	18%	0.01	195	138	71%	6.3
Big Truck	4197	1401	33%	0.00	1202	991	82%	3.0
Brackets	2756	354	13%	0.00	602	276	46%	7.0
Dots and Boxes	190	60	32%	0.00	86	49	57%	7.9
Free Desserts	214	32	15%	0.01	71	21	30%	8.4
Inverse Factorial	5302	1028	19%	0.00	1542	780	51%	5.6
Nine Packs	1566	504	32%	0.00	563	415	74%	4.8
Primonimo	274	87	32%	0.00	89	68	76%	5.6
Quick Estimates	6265	3530	56%	0.00	3342	3163	95%	1.5
Robotopia	4664	645	14%	0.00	956	519	54%	6.0
Unusual Darts	617	206	33%	0.01	184	134	73%	5.6