sal</a></li>
<li class="chapter" data-level="5.1.2" data-path="paths-distance.html"><a href="paths-distance.html#path-length-and-distance"><i class="fa fa-check"></i><b>5.1.2</b> Path length and distance</a></li>
<li class="chapter" data-level="5.1.3" data-path="paths-distance.html"><a href="paths-distance.html#shortest-path-algorithms"><i class="fa fa-check"></i><b>5.1.3</b> Shortest path algorithms</a></li>
<li class="chapter" data-level="5.1.4" data-path="paths-distance.html"><a href="paths-distance.html