oblems</a>. </li>
    <li><em>Autodetect</em>: <strong>Drago</strong> analyses the
        problem and detects the type of encoding. This is the
        default mode.</li>
</ul>

<hr size="1" color="#C0C0C0">

<h3>Collection statistics</h3>

<p>The success ratio of each problem is stored and this enables
to display the visit and success ratios for the complete
collection. These statistics may be reset by using the related
menu command associated with the <em>More..</em>. button:</p>

<p><img src="Problem-Mo