Problems from 2019 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Circuit Math	3462	1574	45%	0.00	1421	1281	90%	2.2
Diagonal Cut	3098	970	31%	0.00	922	736	80%	3.5
Gerrymandering	2901	1873	65%	0.00	1709	1642	96%	1.6
Missing Numbers	6615	3578	54%	0.00	3256	3051	94%	1.6
NVWLS	1990	211	11%	0.20	332	133	40%	8.2
Prospecting	264	46	17%	0.07	54	30	56%	8.1
Research Productivity Index	990	536	54%	0.00	483	416	86%	3.2
Running Routes	920	324	35%	0.03	273	214	78%	6.3
Slow Leak	2012	618	31%	0.03	475	353	74%	5.6
Stop Counting!	2423	742	31%	0.03	648	440	68%	5.1
Summer Trip	1875	1011	54%	0.00	909	779	86%	2.9
Traveling Merchant	608	233	38%	0.06	218	150	69%	6.4
Zipline	3261	1140	35%	0.00	883	725	82%	3.3