Vajdalinky, C# - rextester

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//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Calculate()
        {
            
            int lower = 0;
            int higher = 0;
            System.Random r = new System.Random();
            
            
            for (int i = 0; i < 100; i++)
            {
                double random = r.NextDouble();
                
                //double y = (0.6888 * (random * random)) + (1.6624 * random);
                double y =   ( 0.6888 * (random * random)) + (0.2848 * random);
                //double y = (-0.6888 * (random * random)) + (1.6624 * random);
                
                double xmin = 10;
                double xmax = 80;

int result = (int)(xmin + ((xmax - xmin) * y));

if (result < ((xmax - xmin) / 2))
                    lower++;
                else
                    higher++;

}
            
            Console.WriteLine(string.Format("nizsi: {0}", lower));
            Console.WriteLine(string.Format("vyssi: {0}", higher));

}
        
        public static void Main(string[] args)
        {
            Calculate();
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0.11 sec, absolute running time: 0.09 sec, cpu time: 0.08 sec, average memory usage: 16 Mb, average nr of threads: 4