getArray(int [] arr)
for (i = 0; i < arr.Length; i++)
               {

                   String val = Console.ReadLine();
                   arr[i] = Convert.ToInt32(val);
                }

public static void quicks(int lo, int hi, int[] arr)
       {
           int i = lo;
           hi = arr.Length;
           int j = hi;
           int pivot;
           pivot = arr[(lo + hi) / 2];

           if (lo >= hi)
           {
               return;
           }
           Console.WriteLine(pivot);

               do
               {
                   while (arr[i] < pivot)
                   i++;
                   while (arr[j] > pivot) // when it comes here it says Array
                                         //  out of bound problem
                   j--;

                   if (i < j)
                   {
                   int temp = a[i];
                   a[i] = a[j];
                   a[j] = temp;
                   }

           } while(i < j ); // end of do condition

           if (lo < j) quicks(lo, j,arr);
           if (i < hi) quicks(i, hi,arr);