sts could you add?</span>
<span class="p">}</span>
</code></pre></div></div>

<h2 id="3-countnumbers-sumcpp">3) countNumbers (sum.cpp)</h2>

<p><em>Topics: Vectors, strings, file reading, while true, conditional statements, Stanford C+++ library</em></p>

<p>The function <code class="language-c++ highlighter-rouge"><span class="n">countNumbers</span></code> reads a text file and returns the number of times a user entered number appears in that text file. Here are some library functions that will be useful f