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	4153	1842	44%	0.00	1599	1441	90%	2.3
Kaleidoscopic Palindromes	1323	601	45%	0.00	420	375	89%	3.1
Lipschitz Constant	1539	596	39%	0.03	383	330	86%	4.6
Maximum Subarrays	1350	393	29%	0.00	276	231	84%	4.6
New Salaries	330	63	19%	0.04	68	42	62%	6.8
Other Side	2140	492	23%	0.00	408	306	75%	5.3
Pokegene	575	160	28%	0.18	149	100	67%	6.8
Rational Ratio	1508	469	31%	0.00	342	284	83%	5.3
Tima goes to Xentopia	886	278	31%	0.14	188	168	89%	4.1
Travel the Skies	936	362	39%	0.00	342	290	85%	3.7