using System;

using System.Text;

using System.IO.Hashing;

using System.Collections.Generic;

​

public class Program

{

    static HashSet<string> hashes = new();

    public static void Main()

    {

        int a = "Hi".Hash();

        int b = "There".Hash();

        for (int d = 0; d < 10000000; d++)

        {

            int c = d.Hash();

            int x = a | b | c;

            int final = x.Hash();

            var s = final.AsAlpha();

            hashes.Add(s);

            //Console.WriteLine($"{s}");

        }

​

        Console.WriteLine("Done");

    }

}

​

public static class HashEx

{

    public static int Hash(this object obj)

    {

        byte[] buffer = new byte[0];

        if (obj is string)

        {

            buffer = Encoding.UTF8.GetBytes(obj.ToString());

        }

        else if (obj.IsNumber())

        {

            buffer = BitConverter.GetBytes(Convert.ToDouble(obj));

        }

​

        return Math.Abs(BitConverter.ToInt32(XxHash32.Hash(buffer)));

    }

​

    public static bool IsNumber(this object obj)

    {

        if (Equals(obj, null))

        {

            return false;

        }

​

        Type objType = obj.GetType();

        objType = Nullable.GetUnderlyingType(objType) ?? objType;

        if (objType.IsPrimitive)

        {

            return objType != typeof(bool) && objType != typeof(char) && objType != typeof(IntPtr) && objType != typeof(UIntPtr);

        }

​

        return objType == typeof(decimal);

    }

}

​

public static class BaseConverter

{

    private const int Base = 48;

    private const string Chars = "abcdefghjkmnopqrstuvwxyzABCDEFGHJKMNOPQRSTUVWXYZ";

    public static string AsAlpha(this int value)

    {

        string result = "";

        while (value > 0)

        {

            result = Chars[value % Base] + result; // use StringBuilder for better performance

            value /= Base;

        }

​

        return result.PadRight(6,'X');

    }

}