Lining Up

Problem Number: 
5 379
Type of Problem: 
Single Output Problem
Problem Category: 
Volume 53 (5,300-5,399)
Input: 
Random Input
0
0
Critical Input: 
Random Input: 
1 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 18 19 1 3
Problem Id: 
5379