Problems from ICPC 2012 North American Qualifier

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Choosing Numbers	456	92	20%	0.02	102	69	68%	5.9
Hitting the Targets	1748	992	57%	0.00	969	896	92%	1.7
Loopy Transit	76	33	43%	0.00	39	32	82%	6.2
Maze Movement	280	143	51%	0.06	112	98	88%	3.4
Multi-Touch Gesture Classification	113	28	25%	0.00	24	20	83%	5.4
Out of Context	27	9	33%	0.07	10	6	60%	7.0
Quite a Problem	2583	1097	42%	0.00	1038	956	92%	1.8
Ragged Right	3159	1589	50%	0.00	1575	1447	92%	1.9
Stacking Curvy Blocks	311	94	30%	0.00	102	84	82%	3.6
Texas Summers	232	74	32%	0.02	77	59	77%	5.1
Unicycle Counting	148	37	25%	0.00	48	32	67%	6.0