Problems from 2019 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Circuit Math	2744	1210	44%	0.00	1156	1025	89%	2.4
Diagonal Cut	2625	787	30%	0.00	819	639	78%	3.7
Gerrymandering	2465	1616	66%	0.00	1503	1447	96%	1.5
Missing Numbers	4582	2456	54%	0.00	2238	2106	94%	1.6
NVWLS	1614	171	11%	0.20	279	111	40%	8.0
Prospecting	235	36	15%	0.07	45	25	56%	7.7
Research Productivity Index	894	468	52%	0.00	443	377	85%	3.3
Running Routes	698	241	35%	0.03	228	179	79%	6.1
Slow Leak	1602	446	28%	0.03	420	303	72%	5.7
Stop Counting!	2149	647	30%	0.03	573	378	66%	4.8
Summer Trip	1523	829	54%	0.00	774	673	87%	2.5
Traveling Merchant	530	198	37%	0.06	192	129	67%	6.4
Zipline	2520	805	32%	0.00	763	616	81%	3.4