Problems from 2019 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Circuit Math	4838	2184	45%	0.00	1876	1720	92%	1.9
Diagonal Cut	3298	1074	33%	0.00	1000	810	81%	3.5
Gerrymandering	3117	2020	65%	0.00	1831	1761	96%	1.6
Missing Numbers	7740	4205	54%	0.00	3818	3574	94%	1.7
NVWLS	2095	233	11%	0.20	347	143	41%	8.4
Prospecting	306	54	18%	0.07	63	32	51%	8.2
Research Productivity Index	1027	563	55%	0.00	494	425	86%	3.5
Running Routes	990	349	35%	0.03	287	228	79%	6.8
Slow Leak	2153	655	30%	0.03	506	374	74%	5.9
Stop Counting!	2585	790	31%	0.03	681	470	69%	5.4
Summer Trip	2042	1110	54%	0.00	981	845	86%	2.9
Traveling Merchant	658	258	39%	0.06	234	162	69%	7.0
Zipline	3491	1262	36%	0.00	961	797	83%	3.2