using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleShift
{
    class Program
    {
        static void Main(string[] args)
        {
                  int n = 10;
                  n = n << 1;   //左移一位乘以2  n=n*2=10*2=20
                  Console.WriteLine("n=n<<1 左移一位 : {0}", n);
           
                  n <<= 2;          //左移兩位乘以4  n=n*4=20*4=80
                  Console.WriteLine("n=n<<2 左移兩位 : {0}", n);
            
                  n = n >> 2;   //右移兩位除以4  n=n/4=80/4=20
                  Console.WriteLine("n=n<<1 右移兩位 : {0}", n);
            
                  n >>= 1;          //右移一位除以2  n=n/2=20/2=10
                   Console.WriteLine("n>>=1 右移一位 : {0}", n);
                   Console.WriteLine();
           
                  char c1 = '9';
                  char c2 = '2';
                  char c3 = '1';
                  Console.WriteLine("原編碼訊息 : " + c1 + c2 + c3);
                  int key = 11;
                  // c1 ^ key進行位元運算之後，再將結果轉成字元並指定給c1
                  c1 = (char)(c1 ^ key);
                  c2 = (char)(c2 ^ key);
                  c3 = (char)(c3 ^ key);
                  Console.WriteLine("編碼後訊息 : " + c1 + c2 + c3);
           
                  c1 = (char)(c1 ^ key);
                  c2 = (char)(c2 ^ key);
                  c3 = (char)(c3 ^ key);
                  Console.WriteLine("解碼後訊息 : " + c1 + c2 + c3);
                  Console.ReadLine();
        }
    }
}