Problem 12

using System;

class RandomizeNumbers1ToN
{
    static void Main(string[] args)
    {
        Console.WriteLine("Enter a number n.");
        int numN = Int32.Parse(Console.ReadLine());
        Random randomNumber = new Random();
        int[] numbers = new int[numN];
        for (int i = 1; i <= numN; i++)
        {
            numbers[i - 1] = i;
        }
        for (int j = 0; j < numbers.Length; j++)
        {
            int randomNum = randomNumber.Next(0, numbers.Length);
            if (numbers[randomNum] != 0)
            {
                Console.Write(numbers[randomNum] + " ");
                numbers[randomNum] = 0;
            }
            else
            {
                j--;
            }
        }
    }
}