title: error: 'sort' is not a member of 'std'
body: <p>I just would like to ask what does this error mean and how to fix it thanks!</p>
  
  <blockquote>
    <p>error: 'sort' is not a member of 'std'</p>
  </blockquote>
  
  <pre><code>vector&lt;int&gt; result;
          for (auto &amp; i : numbers)
              result.push_back(std::stoi(i));
          std::sort(result.begin(), result.end());
  </code></pre>