//POLICARPIO, JOHN DANIEL

//RAMIREZ, KATE PRINCESS B.

//CCP 1103 - ITBC

//COUNT THE CHARACTERS

​

using System;

​

public class StringCount

{

    public static void Main(string[] args)

    {

        string input;

        int letters;

        int numbers;

        int special_Characters;

        int length;

        int i;

        bool isNumeric;

        bool isAlphabetCapsOff;

        bool isAlphabetCapsOn;

        letters = numbers = special_Characters = i = 0;

        Console.WriteLine("Count the Characters");

        Console.WriteLine("Enter a string: ");

        input = Console.ReadLine();

        length = input.Length;

        if (length != 0) {

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

            {

                isNumeric = input[i] >= '0' && input[i] <= '9';

                isAlphabetCapsOff = input[i] >= 'a' && input[i] <= 'z'; 

                isAlphabetCapsOn = input[i] >= 'A' && input[i] <= 'Z';

                if (isAlphabetCapsOn == true || isAlphabetCapsOff == true)

                {

                    letters++;

                }

                else if (isNumeric == true)

                {

                    numbers++;

                }

                else

                {

                    special_Characters++;

                }

            }

            Console.WriteLine("Letters count: {0}", letters);

            Console.WriteLine("Number count: {0}", numbers);

            Console.WriteLine("Special character count: {0}", special_Characters);

            Console.WriteLine("Total number of characters: {0}", letters + numbers + special_Characters);

        } 

        else 

        {

            Console.WriteLine("No input! Please input a string");

        }

    }

}