using System;

namespace TestForAlfa
{
    class Program
    {
        static void Main(string[] args)
        {
            const int lenArr = 10;
            int[] myArray = new int[lenArr];
            int X, i, ind;
            Random rnd = new Random();

            X = rnd.Next(-lenArr, 10);
            Console.WriteLine("X = " + X);
            Console.WriteLine("Initial data:\n");
            for (i = 0; i < lenArr; i++)
            {
                myArray[i] = rnd.Next(lenArr*2);
                Console.Write(myArray[i] + " ");
            }
            Array.Sort(myArray);
            Array.Reverse(myArray);
            Console.WriteLine();
            Console.WriteLine("Sorted array:\n");
            for (i = 0; i < myArray.Length; i++)
            {
                Console.Write(myArray[i] + " ");
            }
            Console.WriteLine();
            if ((ind = bSearch(myArray, X)) != -1)
                Console.WriteLine("min index = " + ind);
            else
                Console.WriteLine("There is no element less than X.");
            Console.Read();

            int bSearch(int[] arr, int x)
            {
                int minInd = 0;
                for (int j = 1; j < arr.Length; j++)
                {
                    if (arr[j] < x)
                    {
                        minInd = j;
                    }
                }
                if (minInd == 0)
                    return -1;
                return minInd+1;
            }
        }


    }
}