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

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            item[] items = new item[5];

            for(int i = 0;i < items.Length; i++)
            {
                items[i] = new item();
            }
            OutputArray(items);
            item n = items[0];
            item x = items[1];

            Change(ref n,ref x);
            OutputArray(items);
            Console.ReadKey();
        }
        public static void Change(ref item Last,ref item New)
        {
            item temp = (item)Last.Clone();
            Last = New;
            New = temp;
        }
        public static void OutputArray(item[] a)
        {
            foreach(item n in a)
            {
                Console.Write(n.id + " ");
            }
            Console.WriteLine();
        }
    }
    class item : ICloneable
    {
        public static Random random = new Random();
        public int id;
        public item()
        {
            id = random.Next(0, 255);
        }
        public object Clone()
        {
            return this.MemberwiseClone();
        }
    }
}