using System;

public class Program

{

    public static void Main()

    {

        var maxGamesToRun = 10000;

        var gameCount = 0;

        var switchWinCount = 0;

        var nonSwitchWinCount = 0;

​

        var randomGenerator = new Random();

        while (gameCount < maxGamesToRun)

        {

            bool[] doors = {false,false,false};

​

            var carLocation = randomGenerator.Next(0, 3);

            doors[carLocation] = true;

​

            var playerChoice = randomGenerator.Next(0, 3);  

​

            if (doors[playerChoice]) nonSwitchWinCount++;

            else switchWinCount++;

            gameCount++;

        }

        Console.WriteLine($"Switch win rate {switchWinCount/100}");

        Console.WriteLine($"Stand win rate {nonSwitchWinCount/100}");       

    }

}