using System;

​

class Program

{

    static void Main()

    {

        // Should print true 3 times

        Console.WriteLine(StringTools.AlphabetizeStdLib("sam") == StringTools.Alphabetize("sam"));

        Console.WriteLine(StringTools.AlphabetizeStdLib("spot") == StringTools.Alphabetize("spot"));

        Console.WriteLine(StringTools.AlphabetizeStdLib("cat") == StringTools.Alphabetize("cat"));

    }

}

​

public static class StringTools

{

    /// <summary>

    /// Alphabetize the characters in the string.

    /// </summary>

    public static string AlphabetizeStdLib(string s)

    {

        // 1.

        // Convert to char array.

        char[] a = s.ToCharArray();

​

        // 2.

        // Sort letters.

        Array.Sort(a);

​

        // 3.

        // Return modified string.

        return new string(a);

    }

    /// <summary>

    /// Alphabetize the characters in the string manually, without a function

    /// </summary>

    public static string Alphabetize(string s)

    {

        // TODO: Implement

    }

}