Binary Search

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
namespace Binary_Search
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> unsorted = new List<int>();
            Random generator = new Random();
            for (int i =0;i<100;i++)
            {
                unsorted.Add(i);
            }
            int number = generator.Next() % 200;
            Console.WriteLine("Search number is " + number);
            search(unsorted, number);
        }
        static void search(List<int> unsorted, int number)
        {
            double min = 0;
            double max = unsorted.Count()-1;
            int mid;
            while (max >min)
            {
                mid = Convert.ToInt16(Math.Ceiling((min + max)/2));
                if (unsorted[mid] == number)
                {
                    Console.WriteLine("Number found at " + mid);
                    Console.ReadLine();
                }
                else if (unsorted[mid] > number)
                {
                    max = mid;
                }
                else if (unsorted[mid] < number)
                {
                    min = mid;
                }
            }
            Console.WriteLine("Number not found");
            Console.ReadLine();
        }
    }
}