Solution: Arrange a Binary Array

using System;
class Program
{
    /// <summary>
    /// A method to sort a binary array.
    /// </summary>
    /// <param name="arr">An array containing binary numbers.</param>
    /// <returns>A sorted binary array.</returns>
    public static int[] SortBinaryArray(int[] arr)
    {
        int size = arr.Length; // Store the size of array
        for (int i = 0; i < size; i++)
        {
            for (int j = 0; j < size - i - 1; j++)
            {
                // traverse the list from 0 to size - i - 1
                // Swap if the current element is greater than the next element
                if (arr[j] > arr[j + 1])
                {
                    int temp = arr[j];
                    arr[j] = arr[j + 1];
                    arr[j + 1] = temp;
                }
            }
        }
        return arr;
    }
    // Driver to test above code
    static void Main()
    {
        int[] arr = { 1, 0, 1, 0, 1, 0, 1, 0 };
        int[] result = SortBinaryArray(arr);
        Console.WriteLine("[" + string.Join(", ", result) + "]");
    }
}