Easiest way to Rotate a List in c#

Question

Lists say I have a list List {1,2,3,4,5}

Rotate means:

=> {2,3,4,5,1} => {3,4,5,1,2} => {4,5,1,2,3}

Answer 1

How about using modular arithmetic :

public void UsingModularArithmetic()
{ 
  string[] tokens_n = Console.ReadLine().Split(' ');
  int n = Convert.ToInt32(tokens_n[0]);
  int k = Convert.ToInt32(tokens_n[1]);
  int[] a = new int[n];

  for(int i = 0; i < n; i++)
  {
    int newLocation = (i + (n - k)) % n;
    a[newLocation] = Convert.ToInt32(Console.ReadLine());
  }

  foreach (int i in a)
    Console.Write("{0} ", i);
}

So basically adding the values to the array when I am reading from console.