Сортировка вставками - C# (185855)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Сортировка
{
    class Program
    {
        static void InsertSort(ref Char[] A)
        {  
            for (int i = 1; i < A.Length; i++)
            {
                int pos = 0;
                char elem = A[i];
                int v = elem.CompareTo(A[pos]);
                while (v == 1) pos++;
                for (int j = i - 1; j >= pos; j--)
                    A[j + 1] = A[j];
                A[pos] = elem;
            }
        }
        static void Main(string[] args)
        {
            Console.WriteLine("Введите количество прописных букв: ");
            int n = Convert.ToInt32(Console.ReadLine());
            char[] A = new char[n];
            Random r = new Random();
            for (int i = 0; i < A.Length; i++)
            {
                A[i] = Convert.ToChar(r.Next('A', 'Z' + 1));
                Console.Write("{0} ", A[i]);
            }
            InsertSort(ref A);
            for (int i = 0; i < A.Length; i++)
            {
                Console.Write("{0,5}", A[i]);
            }
            Console.ReadLine();
        }
    }
}