// Iterative C# program to reverse an
// array
using System;
class GFG {
/* Function to reverse arr[] from
start to end*/
static void rvereseArray(int []arr,
int start, int end)
{
int temp;
while (start < end)
{
temp = arr[start];
arr[start] = arr[end];
arr[end] = temp;
start++;
end--;
}
}
/* Utility that prints out an
array on a line */
static void printArray(int []arr,
int size)
{
for (int i = 0; i < size; i++)
Console.Write(arr[i] + " ");
Console.WriteLine();
}
// Driver function
public static void Main()
{
int []arr = {1, 2, 3, 4, 5, 6};
printArray(arr, 6);
rvereseArray(arr, 0, 5);
Console.Write("Reversed array is
");
printArray(arr, 6);
}
}