title: 'printf' vs. 'cout' in C++
body: <p>What is the difference between <a href="http://en.cppreference.com/w/cpp/io/c/fprintf" rel="noreferrer"><code>printf()</code></a> and <a href="http://en.cppreference.com/w/cpp/io/basic_ostream" rel="noreferrer"><code>cout</code></a> in C++?</p>