Problems from 2019 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Circuit Math	2464	1074	44%	0.00	1051	927	88%	2.4
Diagonal Cut	2411	693	29%	0.00	756	579	77%	3.8
Gerrymandering	2065	1349	65%	0.00	1264	1222	97%	1.4
Missing Numbers	3635	1901	52%	0.00	1790	1676	94%	1.6
NVWLS	1465	155	11%	0.20	261	101	39%	8.0
Prospecting	212	30	14%	0.07	38	20	53%	6.8
Research Productivity Index	836	433	52%	0.00	426	360	85%	3.3
Running Routes	642	214	33%	0.03	212	163	77%	6.3
Slow Leak	1472	392	27%	0.03	391	281	72%	5.7
Stop Counting!	2005	597	30%	0.03	548	353	64%	5.0
Summer Trip	1378	754	55%	0.00	727	636	87%	2.4
Traveling Merchant	470	185	39%	0.06	176	118	67%	6.2
Zipline	2274	702	31%	0.00	701	557	79%	3.5