title: C++ error no such file or directory
body: <p>Hey guys, I  just started learning C++ and I have this code that I have to complete but the class header is giving me this error</p>
  
  <p>error: string: No such file or directory</p>
  
  <pre><code>#include &lt;vector&gt;
  #include &lt;string&gt;
  
  class Inventory
  {
  public:
      Inventory ();
      void Update (string item, int amount);
      void ListByName ();
      void ListByQuantity ();
  private:
      vector&lt;string&gt; items;
  };
  </code></pre>