using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Cisla cisla = new Cisla();

        Console.WriteLine(cisla);

​

        cisla.ProvedOperaci(delegate(int a) {return a * a;});

        Console.WriteLine(cisla);

        cisla.ProvedOperaci(delegate(int a) {return a * 2;});

        Console.WriteLine(cisla);

    }

    /**

    static int NaDruhou(int a)

    {

        return a * a;

    }

    static int Dvojnasobek(int a)

    {

        return a * 2;

    }

    */

}

​

class Cisla

{

    private List<int> cisla = new List<int>();

    //public delegate int Operace(int a);

​

    public Cisla()

    {

        for (int i = 0; i < 10; i++)

        {

            cisla.Add(i + 1);

        }

    }

    public void ProvedOperaci(Func<int, int> operace)

    {

        for(int i = 0; i < 10; i++)

        {

            cisla[i] = operace(cisla[i]);

        }

    }

​

    public override string ToString()

    {

        string vystup = "";

        foreach (int cislo in cisla)

        {

            vystup += cislo + ", ";

        }

        return vystup;

    }

​

}