Problems from ICPC 2012 North American Qualifier

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Choosing Numbers	345	70	20%	0.02	87	57	66%	6.6
Hitting the Targets	1520	871	57%	0.00	848	785	93%	1.7
Loopy Transit	65	31	48%	0.00	35	30	86%	5.1
Maze Movement	119	70	59%	0.06	62	51	82%	5.0
Multi-Touch Gesture Classification	105	26	25%	0.00	23	19	83%	5.8
Out of Context	25	7	28%	0.07	10	6	60%	7.0
Quite a Problem	2322	967	42%	0.00	918	845	92%	1.8
Ragged Right	2956	1474	50%	0.00	1460	1343	92%	1.8
Stacking Curvy Blocks	269	81	30%	0.00	90	72	80%	4.7
Texas Summers	211	71	34%	0.02	73	56	77%	4.9
Unicycle Counting	131	35	27%	0.00	46	30	65%	5.9