ed to arrays, though:</p>
<ul>
<li>Firstly, there are a lot of pointers involved, and dereferencing those pointers and journeying around memory could involve some extra runtime overhead compared to array cell accesses. For the purposes of anything we do in this class, that runtime hit would be so negligible as to be unobservable. That's something to keep in mind for software that needs to operate at a much larger scale, though.</li>
</ul>
<ul>
<li>Secondly, and more importantly, the nodes in our BTSs take u