using System;

​

public class Program

{

    public static void Main()

    {

        int[] a = new int[]{2, 4, 6, 12};

        bool ok = true;

        for (int i = 0; i < a.Length; i++)

        {

            for (int j = i + 1; i < j && j < a.Length; j++)

            {

                if (a[i] == a[j])

                {

                    Console.WriteLine("ERREUR : 2 chiffres sont égaux");

                    ok = false;

                    break;

                }

            }

        }

​

        int sum = 0;

        for (int i = 0; i < a.Length; i++)

        {

            sum += a[i];

        }

​

        Console.WriteLine("Somme : " + sum);

        for (int i = 0; i < a.Length; i++)

        {

            if (sum % a[i] != 0)

            {

                //Console.WriteLine(i + " : " + sum % a[i]);

                ok = false;

                break;

            }

        }

        if (ok)

        {

            Console.WriteLine("OK !");

            for (int i = 0; i < a.Length; i++)

            {

                Console.WriteLine(a[i]);

            }

​

        }

    }

}