title: GCC compiler does not output anything in Visual Studio Code or Atom
body: <p>I try to compile this code</p>
  <pre><code>#include &lt;iostream&gt;
  
  int main()
  {
    std::cout &lt;&lt; &quot;Hello World&quot; &lt;&lt; std::endl;
  }
  </code></pre>
  <p>But it outputs
  <a href="https://i.stack.imgur.com/vkt2b.png" rel="nofollow noreferrer">nothing in the terminal</a></p>