Outputs sorted numbers to the console, from the smallest to the largest. Array.Sort is not used.

Sorting numbers

using System.Runtime.CompilerServices;

namespace MyCode
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int arraySize = 10;
            int maxValue = 20;
            int[] ints = new int[arraySize];

            Random random = new Random();

            Console.WriteLine("Original array:");

            for (int i = 0; i < ints.Length; i++)
            {
                ints[i] = random.Next(maxValue);
                Console.Write(ints[i] + " ");
            }

            for (int i = 0; i < ints.Length; i++)
            {
                for (int j = 0; j < ints.Length - 1; j++)
                {
                    if (ints[j] > ints[j + 1])
                    {
                        int temp = ints[j];
                        ints[j] = ints[j + 1];
                        ints[j + 1] = temp;
                    }
                }
            }

            Console.WriteLine("\nSorted array:");

            foreach (int number in ints)
            {
                Console.Write(number + " ");
            }
        }
    }
}