using System;

​

public class Program

{

    static int userWins = 0, compWins = 0, tie = 0;

    public static void Main()

    {

        Boolean again = true;

        while (again == true) //the game will loop as long as this is true

        {

            Console.WriteLine("---------------------------------------");

            Console.Write("Rock [1], Paper [2], or Scissors [3]: ");

            int choice = int.Parse(Console.ReadLine()); //reading users input and storing it

            Console.WriteLine("---------------------------------------");

            outcome(choice, computer()); //calling outcome method to decide who wins

            Console.WriteLine();

            Console.WriteLine("User wins: " + userWins); //displaying tally of wins and ties

            Console.WriteLine("Computer wins: " + compWins);

            Console.WriteLine("Ties: " + tie);

            Console.WriteLine("---------------------------------------");

            Console.WriteLine("Press [1] to play again");

            int again1 = int.Parse(Console.ReadLine());

            Console.WriteLine();

            if (again1 != 1) //deciding if they will play again, if 1 is not pressed it will end the game

            {

                if (userWins > compWins && userWins > tie) {

                Console.WriteLine("User wins!");    

                } else if (compWins > userWins && compWins > tie) {

                Console.WriteLine("Computer wins"); 

                } else {

                Console.WriteLine("Tie");   

                }

                again = false;

            }

        }

    }

​

    static int computer()

    { //function that choses computers play (Rock, Paper, Scissors)

        int result = 0;

        Random random = new Random(); //calling function to use RNG

        result = random.Next(1, 4); //randomly choses number

        return result; //returns the result

    }

​

    static String outcome(int user, int comp) //outcome function

    {

        String result = "";

        if (user == 1 && comp == 1) //if user choses rock and computer choses rock

        {

            Console.WriteLine("User: Rock");

            Console.WriteLine("Computer: Rock");

            Console.WriteLine("Tie");

            tie++; //tie tally up by 1

        }

        else if (user == 1 && comp == 2) //if user choses rock and computer chosees paper... 1 = rock, 2 = paper, 3 = scissors

        {

            Console.WriteLine("User: Rock");

            Console.WriteLine("Computer: Paper");

            Console.WriteLine("Computer wins");

            compWins++; //computer wins tally + 1

        }

        else if (user == 1 && comp == 3)

        {

            Console.WriteLine("User: Rock");

            Console.WriteLine("Computer: Scissors");

            Console.WriteLine("User wins");

            userWins++; //user wins tally + 1

        }

        else if (user == 2 && comp == 1)

        {

            Console.WriteLine("User: Paper");

            Console.WriteLine("Computer: Rock");

            Console.WriteLine("User wins");

            userWins++;

        }

        else if (user == 2 && comp == 2)

        {

            Console.WriteLine("User: Paper");

            Console.WriteLine("Computer: Paper");

            Console.WriteLine("Tie");

            tie++;

        }

        else if (user == 2 && comp == 3)

        {

            Console.WriteLine("User: Paper");

            Console.WriteLine("Computer: Scissors");

            Console.WriteLine("Computer wins");

            compWins++;

        }

        else if (user == 3 && comp == 1)

        {

            Console.WriteLine("User: Scissors");

            Console.WriteLine("Computer: Rock");

            Console.WriteLine("Computer wins");

            compWins++;

        }

        else if (user == 3 && comp == 2)

        {

            Console.WriteLine("User: Scissors");

            Console.WriteLine("Computer: Paper");

            Console.WriteLine("User wins");

            userWins++;

        }

        else if (user == 3 && comp == 3) //... if user choses scissors and computer choses scissors

        {

            Console.WriteLine("User: Scissors");

            Console.WriteLine("Computer: Scissors");

            Console.WriteLine("Tie");

            tie++;

        }

​

        return result;

    }

}