C++ Tutorial/Development/Escape sequence

#include <iostream>
using namespace std;
int main()
{
  cout << "are quite \"useful \" \a \\ in your code \\ \a \n";
  return 0;
}

#include <iostream> 
using namespace std; 
 
int main() 
{ 
  cout << "123\b\b45"; 
 
  return 0; 
}

#include <iostream> 
using namespace std; 
 
int main() 
{ 
  cout << "one\ttwo\tthree\n"; 
 
  return 0; 
}

#include <iostream> 
using namespace std; 
 
int main() 
{ 
  cout << "one\n"; 
  cout << "two\n"; 
  cout << "three"; 
  cout << "four"; 
 
  return 0; 
}