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<div class="titlepage"><div>
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<div><h2 class="title">
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<a name="heap"></a>Chapter 17. Boost.Heap</h2></div>
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<div><div class="author"><h3 class="author">
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<span class="firstname">Tim</span> <span class="surname">Blechmann</span>
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</h3></div></div>
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<div><p class="copyright">Copyright © 2010, 2011 Tim Blechmann</p></div>
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<a name="heap.legal"></a><p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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</p>
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</div></div>
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<div class="toc">
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<p><b>Table of Contents</b></p>
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<dl class="toc">
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<dt><span class="section"><a href="heap.html#heap.introduction___motivation">Introduction & Motivation</a></span></dt>
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<dt><span class="section"><a href="heap/concepts.html">Concepts & Interface</a></span></dt>
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<dd><dl>
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<dt><span class="section"><a href="heap/concepts.html#heap.concepts.basic">Basic Priority Queue Interface</a></span></dt>
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<dt><span class="section"><a href="heap/concepts.html#heap.concepts.iterators">Priority Queue Iterators</a></span></dt>
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<dt><span class="section"><a href="heap/concepts.html#heap.concepts.comparing">Comparing Priority Queues &
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Equivalence</a></span></dt>
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<dt><span class="section"><a href="heap/concepts.html#heap.concepts.merge">Merging Priority Queues</a></span></dt>
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<dt><span class="section"><a href="heap/concepts.html#heap.concepts.mutability">Mutability</a></span></dt>
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<dt><span class="section"><a href="heap/concepts.html#heap.concepts.stability">Stability</a></span></dt>
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</dl></dd>
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<dt><span class="section"><a href="heap/data_structures.html">Data Structures</a></span></dt>
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<dd><dl><dt><span class="section"><a href="heap/data_structures.html#heap.data_structures.data_structure_configuration">Data
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Structure Configuration</a></span></dt></dl></dd>
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<dt><span class="section"><a href="heap/reference.html">Reference</a></span></dt>
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<dd><dl>
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<dt><span class="section"><a href="heap/reference.html#header.boost.heap.binomial_heap_hpp">Header <boost/heap/binomial_heap.hpp></a></span></dt>
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<dt><span class="section"><a href="heap/reference.html#header.boost.heap.d_ary_heap_hpp">Header <boost/heap/d_ary_heap.hpp></a></span></dt>
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<dt><span class="section"><a href="heap/reference.html#header.boost.heap.fibonacci_heap_hpp">Header <boost/heap/fibonacci_heap.hpp></a></span></dt>
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<dt><span class="section"><a href="heap/reference.html#header.boost.heap.heap_concepts_hpp">Header <boost/heap/heap_concepts.hpp></a></span></dt>
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<dt><span class="section"><a href="heap/reference.html#header.boost.heap.heap_merge_hpp">Header <boost/heap/heap_merge.hpp></a></span></dt>
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<dt><span class="section"><a href="heap/reference.html#header.boost.heap.pairing_heap_hpp">Header <boost/heap/pairing_heap.hpp></a></span></dt>
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<dt><span class="section"><a href="heap/reference.html#header.boost.heap.policies_hpp">Header <boost/heap/policies.hpp></a></span></dt>
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<dt><span class="section"><a href="heap/reference.html#header.boost.heap.priority_queue_hpp">Header <boost/heap/priority_queue.hpp></a></span></dt>
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<dt><span class="section"><a href="heap/reference.html#header.boost.heap.skew_heap_hpp">Header <boost/heap/skew_heap.hpp></a></span></dt>
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</dl></dd>
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<dt><span class="section"><a href="heap/acknowledgements.html">Acknowledgements</a></span></dt>
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</dl>
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="heap.introduction___motivation"></a><a class="link" href="heap.html#heap.introduction___motivation" title="Introduction & Motivation">Introduction & Motivation</a>
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</h2></div></div></div>
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<p>
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<code class="literal">boost.heap</code> is an implementation of priority queues. Priority
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queues are queue data structures, that order their elements by a priority.
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The STL provides a single template class <code class="literal">std::priority_queue</code>,
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which only provides a limited functionality. To overcome these limitations,
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<code class="literal">boost.heap</code> implements <a class="link" href="heap/data_structures.html" title="Data Structures">data
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structures</a> with more functionality and different performance characteristics.
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Especially, it deals with additional aspects:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
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<li class="listitem">
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<span class="bold"><strong>Mutability</strong></span>: The priority of heap elements
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can be modified.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Iterators</strong></span>: Heaps provide iterators to
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iterate all elements.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Mergable</strong></span>: While all heaps can be merged,
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some can be merged efficiently.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Stability</strong></span>: Heaps can be configured to
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be stable sorted.
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</li>
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<li class="listitem">
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<span class="bold"><strong>Comparison</strong></span>: Heaps can be compared for
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equivalence.
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</li>
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</ul></div>
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</div>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"><p><small>Last revised: April 13, 2021 at 16:33:01 GMT</small></p></td>
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