Problems from 2018 ACM-ICPC North Central North America Regional Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Euler's Number	4474	2001	45%	0.00	1750	1571	90%	2.5
Kaleidoscopic Palindromes	1353	617	46%	0.00	437	390	89%	3.1
Lipschitz Constant	1607	623	39%	0.03	397	344	87%	4.6
Maximum Subarrays	1462	429	29%	0.00	298	246	83%	5.1
New Salaries	335	64	19%	0.04	70	43	61%	8.0
Other Side	2310	540	23%	0.00	428	325	76%	5.1
Pokegene	619	166	27%	0.18	156	105	67%	7.3
Rational Ratio	1532	481	31%	0.00	352	294	84%	5.4
Tima goes to Xentopia	900	285	32%	0.14	192	172	90%	4.6
Travel the Skies	1017	409	40%	0.00	385	333	86%	3.6