using System;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
int[] arr = new int[] {1, 2, 3, 4, 5, 6, 7};
Array.Reverse(arr);
for (int i = 0; i < arr.Length; i++)
Console.WriteLine("arr[{0}] = {1}", i, arr[i]);
}
}
}
/*
run:
arr[0] = 7
arr[1] = 6
arr[2] = 5
arr[3] = 4
arr[4] = 3
arr[5] = 2
arr[6] = 1
*/