recur 4, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

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

namespace Rextester
{
    public class Program
    {
        public static readonly Random rand = new Random();
        public static void Main(string[] args)
        {
            //Your code goes here
            //Recursive(4,.53);
            /*
            double a = 362.3;
            int b = (int) a/10%10;
            Console.WriteLine(b);
            */
            
            Console.WriteLine(RandomDouble());
            for (int i = 0; i<100; i++) {
                //Console.Write("{0, 1}", rand.Next(0,10), RandomInt(0,10));
                //Console.Write("{0} ", rand.Next(4,9));
                
                
            }
            Console.WriteLine();
            for (int i = 0; i<40; i++) {
                Console.WriteLine(RandomInt(1,366));
            
            }
            /*double x=2;
            for (int i=0; i<100; i++){
                
                x=x*1.2;
                Console.WriteLine(x);
                
            }*/
            
        }
        
        /*public static double Recursive(double r, double x) {
             
            double x2=x;
            double x3;
            for (int i=0; i<rand.Next(150,200); i++) {
                x=x2;
                x2=r*x*(1-x);
                
                return x2;
            
            }
            
            return 
        }
        
        public static double Recur( double r, double x) {
         
            
            
        }*/
        
        public static long Geo(long x, int times){
            
            int n=2;           
            
            if (times<=1){
            
                return x;
            }
            
            return Geo(x*n, times-1);
                
            
        }
        
        public static double Geo(double x, int times){
            
            double r=4;           
            
            if (times<=1){
            
                return r*x*(1-x);
            }
            
            return Geo(r*x*(1-x), times-1);
                
            
        }
        
        public static double RandomDouble(){
            
            int count = rand.Next(100,300);
            double x = rand.NextDouble();
            return Geo(x,count);
            
        }
        
        public static int RandomInt(int lower, int upper){
            
            return Convert.ToInt32(RandomDouble()*(upper-lower-1)+lower);
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,16 sec, absolute running time: 0,08 sec, cpu time: 0,09 sec, average memory usage: 12 Mb, average nr of threads: 3