 id="advice">Advice</h3>
<ul>
  <li>Be sure you have <strong>completed both warmup exercises</strong> before starting on the sorting tasks. If you ran into any trouble on the warmup, get those confusions resolved first. You want to have top-notch skills for using the debugger to examine linked structures and be well-versed in what to expect from memory errors and how to diagnose them.</li>
  <li>Correct use of memory and pointers requires careful attention to detail. You'll likely benefit from <strong>drawi