Problems from 2015 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
All about that base	3344	1334	40%	0.00	1286	1089	85%	3.0
Bobby's Bet	2108	1010	48%	0.00	916	778	85%	2.8
Cantina of Babel	2230	1086	49%	0.00	946	827	87%	2.8
Circuit Counting	1179	437	37%	0.00	456	334	73%	5.6
Cutting Brownies	531	278	52%	0.00	252	206	82%	4.1
Quick Brown Fox	13438	7035	52%	0.00	6476	6049	93%	1.6
Safe Passage	1781	698	39%	0.00	655	455	69%	4.7
Secret Message	8120	4352	54%	0.00	3823	3542	93%	1.8
Simon Says	18060	9457	52%	0.00	8764	8261	94%	1.4
Torn To Pieces	6458	2031	31%	0.00	1811	1461	81%	3.1
UnDetected	859	419	49%	0.00	411	352	86%	3.8