<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy"> <area shape="rect" id="node1" href="$a08297.html" title="Base class of _Loser Tree implementation using pointers. " alt="" coords="5,47,200,85"/> <area shape="rect" id="node2" href="$a08305.html" title="Stable _LoserTree implementation. " alt="" coords="260,5,435,57"/> <area shape="rect" id="node3" href="$a08309.html" title="Unstable _LoserTree implementation. " alt="" coords="248,81,447,120"/> </map>