נושא: שאלה במערכים C# או כל שפה

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication86
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] ar = new int[10];

            int count = 10, i, j;
            for (i = 0; i < 10; i++)
                ar[i] = int.Parse(Console.ReadLine());






            for (i = 0; i < 9; i++)
            {
                for (j = i + 1; j < 10; j++)
                {
                    if (ar[i] == ar[j])
                    {
                         count--;
                         break;
                    }

                }

            }
            Console.WriteLine(count);
            Console.ReadLine();









        }
    }
}






        }
    }
}