class Program
    {
        /// <summary>
        /// 剪刀 用0表示
        /// </summary>
        private const int JIANDAO = 0;
        /// <summary>
        /// 石头用 1表示
        /// </summary>
        private const int SHITOU = 1;
        /// <summary>
        /// 布用2表示
        /// </summary>
        private const int BU = 2;

      //电脑的积分，积分是一个全局变量，在任何地方修改，都要改变值，所以用static修饰
        private  static  int pcIntegral; 
        //玩家的积分
        private static  int  userIntegral; 

        static void Main(string[] args)
        {

            int count = 0;   // 场次

            Random random = new Random();  //实例化对象
            while (++count <= 3)
            {

                Console.WriteLine("第{0}局比赛", count);
                Console.WriteLine("请玩家先出拳,剪刀[0]，石头[1]，布[2] ");
                int pc = random.Next(0, 3);
                String input = Console.ReadLine();
                int  user = int.Parse(input);
                if (user < 0 || user >= 3)
                {
                    Console.WriteLine("请输入0到2之间的数字,本局无效\n");
                    count--; //回滚
                    continue; //跳过当前循环
                }
                //调用判断输赢的函数
                Judge(user, pc);

            }

            Console.WriteLine("\n--------------最终的得分情况如下---------------");
            Console.WriteLine("玩家得分{0}", userIntegral);
            Console.WriteLine("PC得分{0}", pcIntegral);
            // 防止程序运行完毕以后直接关闭
            Console.ReadKey();

        }

        /// <summary>
        ///  返回猜拳结果
        /// </summary>
        /// <param name="user">用户出的拳</param>
        /// <param name="pc">电脑的出的全</param>
        /// <returns></returns>
        private static void Judge(int user, int pc)
        {
            #region  pc 全部出剪刀的情况
            if (pc == JIANDAO && user == JIANDAO)
            {
                Console.WriteLine("PC出的{0}，玩家出的{1},本局为平局", "剪刀", "剪刀");
            }


            if (pc == JIANDAO && user == SHITOU)
            {
                Console.WriteLine("PC出的{0}，玩家出的{1},本局玩家胜利，胜场积分加一", "剪刀", "石头");
                userIntegral++;
            }

            if (pc == JIANDAO && user == BU)
            {
                Console.WriteLine("PC出的{0}，玩家出的{1},本局PC胜利，胜场积分加一", "剪刀", "布");
                pcIntegral++;
            }
            #endregion


            #region PC 全部出石头的情况
            if (pc == SHITOU && user == JIANDAO)
            {
                Console.WriteLine("PC出的{0}，玩家出的{1},本局PC胜利，胜场积分加一", "石头", "剪刀");
                pcIntegral++;
            }


            if (pc == SHITOU && user == SHITOU)
            {
                Console.WriteLine("PC出的{0}，玩家出的{1},本局为平局", "石头", "石头");
              
            }

            if (pc == SHITOU && user == BU)
            {
                Console.WriteLine("PC出的{0}，玩家出的{1},本局玩家胜利，胜场积分加一", "石头", "布");
                userIntegral++;
            }
            #endregion

            #region PC全部出布的情况
            if (pc == BU && user == JIANDAO)
            {
                Console.WriteLine("PC出的{0}，玩家出的{1},本局玩家胜利，胜场积分加一", "布", "剪刀");
                userIntegral++;
            }


            if (pc == BU && user == SHITOU)
            {
                Console.WriteLine("PC出的{0}，玩家出的{1},本局PC胜利，胜场积分加一", "布", "石头");
                pcIntegral ++;
            }

            if (pc == BU && user == BU)
            {
                Console.WriteLine("PC出的{0}，玩家出的{1},本局为平局", "布", "布");
         
            }
            #endregion  

        }
    }