using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        List<int> intList = new List<int>{1,2,3,4,5};

        int intArraySize=0;

        for (int i =0;i <intList.Count;i++)

        {intArraySize++;}

        int [] intArray = new int[intArraySize];

        for (int i =0;i <intList.Count;i++)

        {intArray[i] = intList[i];}

        for (int i =0; i < intArray.Length; i++)

        {Console.WriteLine(intArray[i]);}

    }

}