using System;

public class Program

{

    public static void Main()

​

    {

      int min = 0;

      int max = 3;

      Random ranNumberGenerator = new Random();

      int computer = ranNumberGenerator.Next(min, max);

      string entry;

      string playerChar;

      int player;

      Console.Write("Enter r, p, or s for rock, paper, or scissors >> ");

      entry = Console.ReadLine();

      playerChar = entry.Substring(0, 1);

      if(playerChar == "r")

         player = 0;

      else

         if(playerChar == "p")

            player = 1;

         else player = 2;

      if(computer == 0)

      {

         Console.WriteLine("\nComputer picked rock");

         if(player == 0)

            Console.WriteLine("It's a tie");

         else

            if(player == 1)

               Console.WriteLine("You win");

            else

               Console.WriteLine("You lose");

      }

      else

         if(computer == 1)

         {

            Console.WriteLine("\nComputer picked paper");

            if(player == 1)

               Console.WriteLine("It's a tie");

            else

               if(player == 2)

                  Console.WriteLine("You win");

               else

                  Console.WriteLine("You lose");

         }

         else

         {

            Console.WriteLine("\nComputer picked scissors");

            if(player == 2)

               Console.WriteLine("It's a tie");

            else

               if(player == 0)

                 Console.WriteLine("You win");

               else

                  Console.WriteLine("You lose");

         }      

   }

}

​