using System;

using AutoMapper;

using System.Collections.Generic;

​

​

public class Program

{

    public static void Main()       

    {

        int[] values = new int[] {0, 1};

        double total_count_of_available_safehackers_per_safe = 300; //(admin settings)

        int count_the_users_who_has_a_safehacker = 0;

        /*

         Total count of available safehackers per safe - Count the users who has a safehacker = 300 - 0 = 300 - count available safehackers at the moment

         Total count of users who has a safe - Count the users who has a safehacker = 1 - 0 = 1 - count users who dont have a safehacker

        */

        for (int i = 1; i <= 1000; i++)

        {

            //double remaining_safehachers = total_count_of_available_safehackers_per_safe - count_the_users_who_has_a_safehacker;

            //double count_users_who_dont_have_a_safehacker = total_count_of_users_who_has_a_safe - count_the_users_who_has_a_safehacker;

            double v = Math.Round((count_the_users_who_has_a_safehacker * 100) / total_count_of_available_safehackers_per_safe, 2);

            double chance = 100 - v;

            if(chance >= 50)

            {

                chance = 50;

            }

            else{

                chance = v;

            }

            chance = chance < 0 ? 0 : chance;

            var probs = new int[] {(int)(100 - chance), (int)(chance)};

            var r_value = Randomize(values, probs);

            if(r_value == 1)

            {

                count_the_users_who_has_a_safehacker++;

            }

            Console.WriteLine(string.Format("Chance - {0}", chance));

            Console.WriteLine(string.Format("v - {0}", v));

            Console.WriteLine(string.Format("Total count of safehackers - {0}", count_the_users_who_has_a_safehacker));

            Console.WriteLine();

        }

    }

    public static T Randomize<T>(T[] values, int[] probs)

    {

            return values[Randomize(probs)];

    }

    private static int Randomize(int[] probs)

    {

        var random = new Random();

        int n = probs.Length;

        // Create and fill prefix array 

        int[] prefix = new int[n];

        int i;

        prefix[0] = probs[0];

        for (i = 1; i < n; ++i)

            prefix[i] = prefix[i - 1] + probs[i];

​

        // prefix[n-1] is sum of all frequencies. Generate a random number 

        // with value from 1 to this sum 

        int r = (random.Next() % prefix[n - 1]) + 1;

​

        // Find index of ceiling of r in prefix array 

        int indexc = FindCeil(prefix, r, 0, n - 1);

        return indexc;

    }

    private static int FindCeil(int[] values, int r, int l, int h)

    {

        int mid;

        while (l < h)

        {

            mid = l + ((h - l) >> 1); // Same as mid = (l+h)/2 

            if (r > values[mid])

            {

                l = mid + 1;

            }

            else

            {

                h = mid;

            }

        }

        return (values[l] >= r) ? l : -1;

    }

}