krishnabhargav/Rotate an array.md

## Rotate an array.md

      
    Raw
  

              Rotate an array.md
            
          
    static T[] Rotate(int n, T[] arr)
{
var temp = new T[arr.Length];
for (int i = 0; i < arr.Length; i++)
{
var destIndex = i - n;
if (destIndex < 0)
{
var mul = -1 * destIndex / arr.Length;
destIndex = (arr.Length * mul) + destIndex;
if (destIndex < 0)
destIndex = arr.Length + destIndex;
}
temp[destIndex] = arr[i];
}
return temp;

}
void Main()
{
Rotate(5000, new[] {1,2,3,4}).Dump();
}