paperrockscissors.cs

     class Program
    {
        private static Random r = new Random(DateTime.Now.Millisecond);
        // names of the "moves"
        private static string[] rps = { "PAPER", "ROCK", "SCISSORS"};
        // result feedback string to be formatted
        private static string[] feedback = { "{1} Beats {0}, You Loose!","{0} Equals {1}, Draw!",  "{0} Beats {1}, You Win!" };
        // solution matrix ( 0 = loose ; 1 = draw ; 2 = win  // array1: for paper; array2: for rock; array3: for scissors; )
        private static int[,] solution = {{1, 2, 0},{0, 1, 2},{2, 0, 1}};

        /// <summary>
        /// Rock Paper scissors solution w/o calculation or if/case/else/
        /// </summary>
        /// <param name="args">dummy.</param>
        static void Main(string[] args)
        {
                // simulate the players move
                int player = r.Next(3);
                
                // simulate the computers move
                int computer = r.Next(3);
                
                // retrieve the result from the matrix
                int result = solution[player, computer];
               
                //write the result of the match
                Console.WriteLine(String.Format("you : {0} vs {1} : computer", rps[player], rps[computer]));
                Console.WriteLine(String.Format(feedback[result], rps[player], rps[computer]));

        }
    }