Problems from 2017 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Birthday Cake	758	161	21%	0.00	221	141	64%	6.0
Bumped!	3834	836	22%	0.05	607	452	74%	4.3
Canonical Coin Systems	2763	535	19%	0.01	788	388	49%	5.7
Cat and Mice	871	199	23%	0.30	172	114	66%	7.1
Company Picnic	567	224	40%	0.00	212	171	81%	5.2
GlitchBot	1749	1065	61%	0.00	972	895	92%	1.9
Greeting Card	2678	729	27%	0.04	793	509	64%	5.2
Imperfect GPS	1670	534	32%	0.00	557	425	76%	4.2
Odd Gnome	4021	2291	57%	0.00	1997	1879	94%	1.6
Progressive Scramble	1819	965	53%	0.00	952	852	89%	2.1
Space Probe	522	205	39%	0.19	158	134	85%	4.8
Suspension Bridges	1669	445	27%	0.00	435	337	77%	4.9
Umbral Decoding	597	89	15%	0.01	147	74	50%	7.3