shuffle2

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

namespace shuffle
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] array = new int[9] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };

            Console.WriteLine("Дан маccив элементов:");
            for (int i = 0; i < array.Length; i++)
            {
                Console.Write(array[i] + " ");
            }
            Console.WriteLine();
            Shuffle(array);
            Console.WriteLine("Элементы массива перемешаны:");
            for (int i = 0; i < array.Length; i++)
            {
                Console.Write(array[i] + " ");
            }
            Console.WriteLine();
        }

        static void Shuffle(int[] array)
        {
            Random rand = new Random();
            for (int i = array.Length - 1; i >= 1; i--)
            {
                int j = rand.Next(i + 1);
                int tempNumber = array[j];
                array[j] = array[i];
                array[i] = tempNumber;
            }
        }
    }
}