4.7

using System;

namespace FifthProject
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] array = new int[10];
            Random random = new Random();

            for (int i = 0; i < array.Length; i++)
            {
                array[i] = random.Next(1, 10);
            }

            for (int i = 0; i < array.Length; i++)
            {
                Console.Write(array[i] + " ");
            }

            Shuffle(ref array);
            Console.WriteLine("");
            for (int i = 0; i < array.Length; i++)
            {
                Console.Write(array[i] + " ");
            }
        }

        static void Shuffle(ref int[] array)
        {
            Random random = new Random();
            for (int i = array.Length - 1; i >= 0; i--)
            {
                int temp = random.Next(i);

                int temp2 = array[i];
                array[i] = array[temp];
                array[temp] = temp2;
            }
        }
    }
}