Pr6R2ex20

 using System;

namespace test
{
    class Program
    {
        static void Main()
        {
            int[] array;
            Console.Write ("n = ");
            int n = int.Parse (Console.ReadLine ());
            array = new int[n];

            for (int i = 0; i < n; i++) {
                Console.Write ("array[{0}] = ", i);
                array [i] = int.Parse (Console.ReadLine ());
            }

            int count = 0;
            int j = 1;
            for (int i = 0; j <= n - 1; i++, j++)
                if (array [i] < array [j])
                    count++;
            Console.WriteLine ("Answer = {0}", count);

        }
    }
}