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	2494	1148	46%	0.00	969	886	91%	1.8
Kaleidoscopic Palindromes	850	377	44%	0.00	252	230	91%	3.3
Lipschitz Constant	1219	457	37%	0.03	290	242	83%	4.7
Maximum Subarrays	948	274	29%	0.00	185	156	84%	4.2
New Salaries	280	45	16%	0.04	59	34	58%	6.0
Other Side	1487	307	21%	0.00	261	192	74%	5.9
Pokegene	425	102	24%	0.18	106	62	58%	7.4
Rational Ratio	1151	356	31%	0.00	261	215	82%	5.2
Tima goes to Xentopia	699	200	29%	0.14	149	129	87%	4.5
Travel the Skies	622	227	36%	0.00	207	182	88%	3.2