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

namespace Study
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] array={ 1,2,3,4,5,6,7,8,9,10};
            shuffleArray(array);

            for (int j = 0; j < array.Length; j++) {
                Console.WriteLine(array[j]);
            }
            Console.ReadKey();
        }
        public static void shuffleArray(int[] a)
        {
            int n = a.Length;
            Random rand = new Random();

            for (int i = 0; i < n; i++)
            {
                swap(a, i, i + rand.Next(n - i));
            }
        }
        public static void swap(int[] array, int a, int b)
        {
            int temp = array[a];
            array[a] = array[b];
            array[b] = temp;

        }
    }
}