The complement of the number : complement « Operators statements « C++ Tutorial

1. C++ Tutorial
2. Operators statements
3. complement

#include <iostream>
using namespace std;

void show_binary(unsigned int u);

int main()
{
  unsigned u = 123;


  cout << "Here's the number in binary: ";
  show_binary(u);

  cout << "Here's the complement of the number: ";
  show_binary(~u);

  return 0;
}

void show_binary(unsigned int u)
{
  int t;

  for(t=128; t>0; t = t/2)
    if(u & t) cout << "1 ";
    else cout << "0 ";

  cout << "\n";
}

Here's the number in binary: 0 1 1 1 1 0 1 1
Here's the complement of the number: 1 0 0 0 0 1 0 0