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<TITLE>Implementation</TITLE>
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<b>Data Structures and Algorithms 
with Object-Oriented Design Patterns in C++</b><br>
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<H2><A NAME="SECTION0012320000000000000000">Implementation</A></H2>
<P>
This section presents a pointer-based implementation of leftist heaps.
Program&nbsp;<A HREF="page364.html#progleftist1h" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/page364.html#progleftist1h"><IMG  ALIGN=BOTTOM ALT="gif" SRC="cross_ref_motif.gif" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/icons/cross_ref_motif.gif"></A> gives the declaration
of the <tt>LeftistHeap</tt> class.
The <tt>LeftistHeap</tt> class is derived from both
the <tt>MergeablePriorityQueue</tt> abstract class
and the <tt>BinaryTree</tt> concrete class.
<P>
<P><A NAME="26202">&#160;</A><A NAME="progleftist1h">&#160;</A> <IMG WIDTH=575 HEIGHT=295 ALIGN=BOTTOM ALT="program26092" SRC="img1484.gif" tppabs="http://dictator.uwaterloo.ca/Bruno.Preiss/books/opus4/html/img1484.gif"  ><BR>
<STRONG>Program:</STRONG> <tt>LeftistHeap</tt> Class Definition<BR>
<P><BR> <HR>
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