using System;

namespace ObjektnoProgramiranje
{
    public static class Niz
    {
        public static int[] Generisi(int n, int m)
        {
            var niz = new int[n];
            Random rnd = new Random();
            for (int i = 0; i < niz.Length; i++)
            {
                niz[i] = rnd.Next(0, m);
            }
            return niz;
        }
        public static void Ispis(int[] niz)
        {
            for (int i = 0; i < niz.Length; i++)
            {
                Console.Write($"{niz[i]}\t");
            }
            Console.WriteLine();

        }
        public static void Ispis(int[] niz, Parnost parnost)
        {

            if (parnost == Parnost.Parni)
            {
                for (int i = 0; i < niz.Length; i++)
                {
                    if (niz[i] % 2 == 0)
                    {
                        Console.Write($"{niz[i]}\t");
                    }
                }
            }
            else
            {
                for (int i = 0; i < niz.Length; i++)
                {
                    if (niz[i] % 2 != 0)
                    {
                        Console.Write($"{niz[i]}\t");
                    }
                }
            }
            Console.WriteLine();
        }

        public static decimal Prosek(int[] niz)
        {
            decimal suma = 0;
            for (int i = 0; i < niz.Length; i++)
            {
                suma += niz[i];
            }
            return suma / niz.Length;
        }
        public static decimal Prosek(int[] niz, Parnost parnost)
        {
            decimal suma = 0, brojac = 0;
            if (parnost == Parnost.Parni)
            {
                for (int i = 0; i < niz.Length; i++)
                {
                    if (niz[i] % 2 == 0)
                    {
                        suma += niz[i];
                        brojac++;
                    }
                }
            }
            else
            {
                for (int i = 0; i < niz.Length; i++)
                {
                    if (niz[i] % 2 != 0)
                    {
                        suma += niz[i];
                        brojac++;
                    }
                }
            }
            return suma / brojac;
        }
    }

    public enum Parnost
    {
        Parni,
        Neparni
    }
}