Problems from ICPC North America Regional Contests 2019-11-09

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
All is Well	85	25	29%	0.03	23	21	91%	4.9
Birthday Paradox	92	35	38%	0.00	33	30	91%	5.0
Code Names	73	27	37%	0.00	31	22	71%	7.0
Don't Fence Me In	134	54	40%	0.02	41	36	88%	4.7
Early Orders	131	22	17%	0.03	37	19	51%	7.9
Flipping Patties	268	135	50%	0.00	139	125	90%	2.4
Full Depth Morning Show	87	19	22%	0.07	21	16	76%	6.9
Kafkaesque	660	344	52%	0.00	339	315	93%	1.7
Never Jump Down	153	43	28%	0.40	29	19	66%	7.1
New Maths	17	11	65%	0.00	12	10	83%	5.9
On Average They're Purple	235	103	44%	0.03	87	80	92%	5.3
Pixelated	158	23	15%	0.04	21	15	71%	7.2
Pulling Their Weight	190	82	43%	0.00	55	51	93%	5.7
Solar Energy	31	10	32%	0.10	8	5	62%	7.7
Some Sum	1615	655	41%	0.00	698	608	87%	1.8
The Deal of the Day	249	152	61%	0.00	133	125	94%	2.2
This Ain't Your Grandpa's Checkerboard	1183	651	55%	0.00	659	601	91%	1.7
Weird Flecks, But OK	86	44	51%	0.01	37	31	84%	6.8