using System.Collections.Generic;
public static void Main()
int[] position = [1,2,3,4,5,6,7,8,9,10];
Dictionary<int,int> D=new Dictionary<int,int>();
f=f+Math.Abs(position[i]-position[i+1]);
foreach (KeyValuePair<int,int> d1 in D){Console.WriteLine(d1);}