Не успявам  да сортирам стринговете с указания метод string.CompareTo(str). Моля за  съвет.По долу е моя опит за решение

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _03.Sort_Array_of_Strings
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] item = Console.ReadLine()
                .Split(' ')
                .ToArray();

            bool swapped = false;
            do
            {
                swapped = false;

                for (int i = 0; i < item.Length - 1; i++)
                {
                    var current = item[i];
                    var next = item[i + 1];

                    int c = current.CompareTo(next);

                    swapped = true;
                }
            } while (swapped);

                Console.WriteLine(string.Join(" ", item));
        }
    }
}