input:b0011v0001p0001eAB41-e0,1,4,11,14,k71,72,73,74,75,76,77,79,7A,7B,7C,7D,7E,7F,80,8C,8E,8F,9B,9C,9D,9E,9F,A3,A4,A5,A6,AC,AD,B7,B8,B9,D9,E2,ram4,l0,1,2,sfw
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  "   ˆl–ßi~”*j"Tâ€~à¸Ó*bÑ¿Àƒh¹¿Â      input:b0003v0627p0001e0001-e0,1,2,3,4,k110,111,112,113,114,r8,B,a0,1,m4,lsfw
  +   	ˆl–Ü4ý(”†»â‚À¹q§Å£Á„ ?_†I|¥�+ÁÄ ?÷     	// Debugging multimap implementation -*- C++ -*-

// Copyright (C) 2003-2021 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
// <http://www.gnu.org/licenses/>.

/** @file debug/multimap.h
 *  This file is a GNU debug extension to the Standard C++ Library.
 */

#ifndef _GLIBCXX_DEBUG_MULTIMAP_H
#define _GLIBCXX_DEBUG_MULTIMAP_H 1

#include <debug/safe_sequence.h>
#include <debug/safe_container.h>
#include <debug/safe_iterator.h>
#include <utility>

namespace std _GLIBCXX_VISIBILITY(default)
{
namespace __debug
{
  /// Class std::multimap with safety/checking/debug instrumentation.
  template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>,
	   typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > >
    class multimap
      : public __gnu_debug::_Safe_container<
	multimap<_Key, _Tp, _Compare, _Allocator>, _Allocator,
	__gnu_debug::_Safe_node_sequence>,
	public _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Allocator>
    {
      typedef _GLIBCXX_STD_C::multimap<
	_Key, _Tp, _Compare, _Allocator>			_Base;
      typedef __gnu_debug::_Safe_container<
	multimap, _Allocator, __gnu_debug::_Safe_node_sequence>	_Safe;

      typedef typename _Base::const_iterator	_Base_const_iterator;
      typedef typename _Base::iterator		_Base_iterator;
      typedef __gnu_debug::_Equal_to<_Base_const_iterator> _Equal;

      template<typename _ItT, typename _SeqT, typename _CatT>
	friend class ::__gnu_debug::_Safe_iterator;

      // Reference wrapper for base class. Disambiguates multimap(const _Base&)
      // from copy constructor by requiring a user-defined conversion.
      // See PR libstdc++/90102.
      struct _Base_ref
      {
	_Base_ref(const _Base& __r) : _M_ref(__r) { }

	const _Base& _M_ref;
      };

    public:
      // types:
      typedef _Key					key_type;
      typedef _Tp					mapped_type;
      typedef std::pair<const _Key, _Tp>		value_type;
      typedef _Compare					key_compare;
      typedef _Allocator				allocator_type;
      typedef typename _Base::reference			reference;
      typedef typename _Base::const_reference		const_reference;

      typedef __gnu_debug::_Safe_iterator<_Base_iterator, multimap>
							iterator;
      typedef __gnu_debug::_Safe_iterator<_Base_const_iterator,
					  multimap>	const_iterator;

      typedef typename _Base::size_type			size_type;
      typedef typename _Base::difference_type		difference_type;
      typedef typename _Base::pointer			pointer;
      typedef typename _Base::const_pointer		const_pointer;
      typedef std::reverse_iterator<iterator>		reverse_iterator;
      typedef std::reverse_iterator<const_iterator>	const_reverse_iterator;

      // 23.3.1.1 construct/copy/destroy:

#if __cplusplus < 201103L
      multimap() : _Base() { }

   