Problems from 2019 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Circuit Math	3246	1491	46%	0.00	1355	1216	90%	2.3
Diagonal Cut	3081	962	31%	0.00	917	731	80%	3.5
Gerrymandering	2849	1846	65%	0.00	1682	1620	96%	1.5
Missing Numbers	6156	3363	55%	0.00	3048	2862	94%	1.5
NVWLS	1951	207	11%	0.20	330	132	40%	8.1
Prospecting	263	45	17%	0.07	53	29	55%	8.2
Research Productivity Index	986	532	54%	0.00	480	413	86%	3.3
Running Routes	885	312	35%	0.03	260	205	79%	6.4
Slow Leak	1858	536	29%	0.03	470	347	74%	5.7
Stop Counting!	2413	738	31%	0.03	644	438	68%	5.0
Summer Trip	1864	1001	54%	0.00	901	772	86%	2.9
Traveling Merchant	602	230	38%	0.06	215	148	69%	6.4
Zipline	3221	1123	35%	0.00	868	713	82%	3.2