starbeamrainbowlabs

Bitshifting in C++

Nov 30th, 2015
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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace::std;
  5.  
  6. void main() {
  7.     unsigned int a = 4, b = 8;
  8.  
  9.     cout << "and: " << (a & b) << endl;
  10.     cout << "or: " << (a | b) << endl;
  11.     cout << "xor: " << (a ^ b) << endl;
  12.     cout << "inversion: " << ~a << endl;
  13.  
  14.     int c = 58, d = 15;
  15.  
  16.     cout << "c " << (c & 32) << endl;
  17.     cout << "d " << (d & 32) << endl;
  18.  
  19.     unsigned char e = 221;
  20.     cout << "e " << ~e << endl;
  21.  
  22.     cout << "f ";
  23.     int f = 5;
  24.     for(int i = 0; i < 5; i++)
  25.     {
  26.         f = f << 1;
  27.         cout << f << "\t";
  28.     }
  29.     cout << endl;
  30.  
  31.     cout << "g ";
  32.     int g = 341;
  33.     for(int i = 0; i < 5; i++)
  34.     {
  35.         g = g >> 1;
  36.         cout << g << "\t";
  37.     }
  38.     cout << g << endl;
  39.  
  40.     system("pause");
  41. }
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