using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public Dictionary<string, int> GetWordsFrequencyCount(string text)

    {

        Dictionary<string, int> GWFC = new Dictionary<string, int>(); //GWFC = Get Words Frequency Count

        text = text.ToLower();

        string Word = "";

        for (int i = 0; i < text.Length; i++)

        {

            if (text[i] != ' ')

            {

                if (i == text.Length - 1)

                {

                    Word += text[i];

                    try

                    {

                        GWFC.Add(Word, 1);

                    }

                    catch

                    {

                        GWFC[Word]++;

                        Word = "";

                    }

                }

                else Word += text[i];

            }

            else

            {

                try

                {

                    GWFC.Add(Word,1);

                    Word = "";

                }

                catch

                {

                    GWFC[Word]++;

                    Word = "";

                }

            }

        }

        return GWFC;

    }

    public Dictionary<int,int> GetWordsLengthFrequencyCount(string text)

    {

        Dictionary<int, int> GWLFC = new Dictionary<int, int>(); //GWLFC = Get Words Length Frequency Count

        string Word = "";

        for (int i = 0; i < text.Length; i++)

        {

            if (text[i] != ' ')

            {

                if (i == text.Length - 1)

                {

                    Word += text[i];

                    try

                    {

                        GWLFC.Add(Word.Length, 1);

                    }

                    catch

                    {

                        GWLFC[Word.Length]++;

                        Word = "";

                    }

                }

                else Word += text[i];

            }

            else

            {

                try

                {

                    GWLFC.Add(Word.Length, 1);

                    Word = "";

                }

                catch

                {

                    GWLFC[Word.Length]++;

                    Word = "";

                }

            }

        }

        return GWLFC;

    }

    public static void Main(string[] args)

    {

        Program p = new Program();

        Dictionary<string, int> ReturnedGWFC = p.GetWordsFrequencyCount("My bike and my book");

        Dictionary<int, int> ReturnedGWLFC = p.GetWordsLengthFrequencyCount("My bike and my book");

​

        foreach (KeyValuePair<string, int> val in ReturnedGWFC)

        {

            if (val.Key == ReturnedGWFC.Keys.Last()) Console.WriteLine("\"{0}\": {1}", val.Key, val.Value);

            else Console.Write("\"{0}\": {1}, ", val.Key, val.Value);

        }

        foreach (KeyValuePair<int, int> val in ReturnedGWLFC)

        {

            if (val.Key == ReturnedGWLFC.Keys.Last()) Console.WriteLine("{0}: {1}", val.Key, val.Value);

            else Console.Write("{0}: {1}, ", val.Key, val.Value);

        }

    }        

}

​