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	3882	1733	45%	0.00	1522	1369	90%	2.4
Kaleidoscopic Palindromes	1202	529	44%	0.00	376	335	89%	3.1
Lipschitz Constant	1408	541	38%	0.03	353	302	86%	4.6
Maximum Subarrays	1238	360	29%	0.00	247	206	83%	4.6
New Salaries	326	63	19%	0.04	66	42	64%	6.3
Other Side	1885	430	23%	0.00	365	274	75%	5.4
Pokegene	555	151	27%	0.18	141	93	66%	6.7
Rational Ratio	1387	426	31%	0.00	316	257	81%	5.5
Tima goes to Xentopia	866	269	31%	0.14	179	159	89%	4.2
Travel the Skies	863	339	39%	0.00	316	269	85%	3.6