using System;

public class Program

{

    public static void Main()

    {

        // Write a program in C# Sharp to find maximum occurring character in a string.

        // Example: 

        // string = "Good luck"

        // The Highest frequency of character 'o' is appearing for number of times : 2

      Console.Write("\n\nFind maximum occurring character in a string :\n");

      Console.Write("--------------------------------------------------\n");    

      Console.Write("Input the string : ");

      var str = "Nothing in the world can take the place of Persistence.";  

      int times = 0;

      char character = (char)default;

        int[] ch_fre = new int[255];

        int i = 0, max,l;

        int ascii;

        l = str.Length;

​

        for(i=0; i<255; i++)  //Set frequency of all characters to 0

        {

            ch_fre[i] = 0;

        }

        /* Read for frequency of each characters */

            i=0;

        while(i<l)

        {

            ascii = (int)str[i];

            ch_fre[ascii] += 1;

​

            i++;

        }

        // Console.Write("{0}  ",(char)65);

        max = 0;

        for(i=0; i<255; i++)

        {

            if(i!=32)

            {

            if(ch_fre[i] > ch_fre[max])

              max = i;

            }

    }

    character = (char)max;

    times = ch_fre[max];

    Console.Write("The Highest frequency of character '{0}' is appearing for number of times : {1} \n\n", character, times);

        }

    }