Write A program that perform Binary search for stored marks in Denz Array

INPUT:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication20

{     

    class Program

    {

        static void Main(string[] args)

        {

         int[] marks = { 11, 12, 14, 17, 19, 22, 29, 33, 36,39,40 };

int Left = -1, Right=8, mid,find;

foreach (int n in marks)

{

    Console.Write("{0}\t", n);

}

Console.WriteLine("\n\nserch the no");

find=Convert.ToInt32(Console.ReadLine());

while (Left + 1 != Right)

{

mid = (Left + Right) / 2;

if (marks[mid] <= find)

{

Left = mid;

}

else

{

    Right = mid;

}

}

if (Left >= 0 && marks[Left] == find)

{

Console.WriteLine("index  no : {0}",Left+ 1);

}

else

{

Console.WriteLine("NOt available");

}

        }

    }

 }

   

OUTPUT: