Problems from 2018 ICPC Mid-Central Regional

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Coprime Integers	261	81	31%	0.03	93	59	63%	6.9
Cops and Robbers	137	51	37%	0.00	57	45	79%	4.5
Exam	846	503	59%	0.00	496	464	94%	1.7
Goat Rope	1105	642	58%	0.00	529	511	97%	1.5
Heir's Dilemma	1167	674	58%	0.00	597	547	92%	1.6
Illiteracy	111	66	59%	0.18	62	56	90%	3.2
Mobilization	207	37	18%	0.02	41	27	66%	6.2
Poker Hand	2036	1267	62%	0.00	1242	1185	95%	1.3
Random Manhattan Distance	9	7	78%	0.02	8	7	88%	5.7
Repeated Substrings	258	61	24%	0.01	74	48	65%	7.0
Treehouses	444	132	30%	0.01	120	91	76%	4.7