 should be subdivided.</p>

<p><strong>Value vs. reference parameters:</strong> Use reference parameters when need to modify value of parameter passed in, or to send information out from a function. Don't use reference parameters when it is not
necessary or beneficial. Notice that <code class="language-c++ highlighter-rouge"><span class="n">a</span></code>, <code class="language-c++ highlighter-rouge"><span class="n">b</span></code>, and <code class="language-c++ highlighter-rouge"><span class="n">c</span><