tt>
created from a <tt class="docutils literal"><span class="pre">std::vector</span></tt> of
<tt class="docutils literal">default_color_type</tt> of size
<tt class="docutils literal">num_vertices(graph)</tt> and using
<tt class="docutils literal">index_map</tt> for the index map.</td>
</tr>
</tbody>
</table>
<p>Don't be intimidated by the information in the second and third
columns above.  For the purposes of this exercise, you don't need
to understand them in detail.</p>
</div>
<div class="section" id="def