Delegaty, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        delegate int OperacjeLiczbowe(int x, int y);
        
        public static void Main(string[] args)
        {            
            Console.WriteLine("Hello, world!");
            
            OperacjeLiczbowe ol = Dodawanie;
            ol+= Odejmowanie;
            ol+= Mnozenie;
            ol+=Szalenstwo;
            
            
            ol(12,32);
            ol(1,1);
            
        }
        
        public static int Dodawanie(int x, int y) {
            Console.WriteLine(x+y);
            return x+y;
        }
        public static int Odejmowanie(int x, int y) {
            Console.WriteLine(x-y);
            return x-y;
        }
        public static int Mnozenie(int x, int y) {
            Console.WriteLine(x*y);
            return x*y;
        }
        public static int Szalenstwo(int x, int y) {
            Console.WriteLine((x*x) * (y*y));
            return (x*x) * (y*y);
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,14 sec, absolute running time: 0,09 sec, cpu time: 0,09 sec, average memory usage: 12 Mb, average nr of threads: 3