CountLettersInText

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _21.PrintLettersCountInString
{
    class Program
    {
        // 21. Write a program that reads a string from the console and prints all different letters in the string
        //     along with information how many times each letter is found.

        static void Main(string[] args)
        {
            Console.WriteLine("Insert text:");
            string text = Console.ReadLine();

            StringBuilder builder = new StringBuilder();
            StringBuilder count = new StringBuilder();

            for (int i = 0; i < text.Length; i++)
            {
                bool check = false;
                int position = 0;
                for (int j = 0; j < builder.Length; j++)
                {
                    if (builder[j] == text[i])
                    {
                        check = true;
                        position = j;
                        break;
                    }
                }

                if (check == false)
                {
                    builder.Append(text[i]);
                    count.Append(1);
                }
                else
                {
                    count[position]++;
                }
            }
            //Console.WriteLine(string.Join(" ", builder.ToString()));
            //Console.WriteLine(string.Join(" ", count.ToString()));

            for (int i = 0; i < builder.Length; i++)
            {
                Console.WriteLine("Char: {0} Times: {1}" , builder[i], count[i]);
            }
        }
    }
}