on of 'cheapest arc' comes from an arc comparator.  <a href="classcom_1_1google_1_1ortools_1_1constraintsolver_1_1ComparatorCheapestAdditionFilteredDecisionBuilder.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="namespaces"></a>
Packages</h2></td></tr>
<tr class="memitem:namespacecom_1_1google_1_1ortools_1_1constraintsolver"><td class