task1(b)

using System;

namespace task1
{
    class Program
    {
        delegate bool Function<T>(T a, T b);

        static bool StringComparator(string a, string b)
        {
            if (a.Length != b.Length)
                return a.Length > b.Length;
            else
            {
                for (int i = 0; i < a.Length; i++)
                {
                    if (a [i] != b [i])
                        return a [i] > b [i];
                }
                return true;
            }
        }

        static T[] Sort<T>(T[] a, Function<T> comparator)
        {
            for (int i = 0; i < a.Length - 1; i++)
                for (int j = i + 1; j < a.Length; j++)
                {
                    if (comparator (a [i], a [j]))
                    {
                        T tmp = a [i];
                        a [i] = a [j];
                        a [j] = tmp;
                    }
                }
            return a;
        }

        public static void Main (string[] args)
        {
            String[] arr = {"abc", "aaa", "ascd", "aabc"};
            String[] a = Sort (arr, StringComparator);

            for (int i = 0; i < a.Length; i++)
                Console.Write("{0} ", a[i]);
        }
    }
}