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614 lines
18 KiB
614 lines
18 KiB
// vector standard header
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#ifndef _VECTOR_
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#define _VECTOR_
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#include <climits>
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#include <memory>
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#include <stdexcept>
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#include <xutility>
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#ifdef _MSC_VER
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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_STD_BEGIN
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// TEMPLATE CLASS vector
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template<class _Ty, class _A = allocator<_Ty> >
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class vector {
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public:
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typedef vector<_Ty, _A> _Myt;
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typedef _A allocator_type;
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typedef _A::size_type size_type;
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typedef _A::difference_type difference_type;
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typedef _A::pointer _Tptr;
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typedef _A::const_pointer _Ctptr;
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typedef _A::reference reference;
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typedef _A::const_reference const_reference;
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typedef _A::value_type value_type;
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typedef _Tptr iterator;
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typedef _Ctptr const_iterator;
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typedef reverse_iterator<const_iterator, value_type,
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const_reference, _Ctptr, difference_type>
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const_reverse_iterator;
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typedef reverse_iterator<iterator, value_type,
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reference, _Tptr, difference_type>
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reverse_iterator;
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explicit vector(const _A& _Al = _A())
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: allocator(_Al), _First(0), _Last(0), _End(0) {}
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explicit vector(size_type _N, const _Ty& _V = _Ty(),
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const _A& _Al = _A())
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: allocator(_Al)
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{_First = allocator.allocate(_N, (void *)0);
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_Ufill(_First, _N, _V);
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_Last = _First + _N;
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_End = _Last; }
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vector(const _Myt& _X)
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: allocator(_X.allocator)
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{_First = allocator.allocate(_X.size(), (void *)0);
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_Last = _Ucopy(_X.begin(), _X.end(), _First);
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_End = _Last; }
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typedef const_iterator _It;
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vector(_It _F, _It _L, const _A& _Al = _A())
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: allocator(_Al), _First(0), _Last(0), _End(0)
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{insert(begin(), _F, _L); }
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~vector()
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{_Destroy(_First, _Last);
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allocator.deallocate(_First, _End - _First);
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_First = 0, _Last = 0, _End = 0; }
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_Myt& operator=(const _Myt& _X)
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{if (this == &_X)
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;
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else if (_X.size() <= size())
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{iterator _S = copy(_X.begin(), _X.end(), _First);
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_Destroy(_S, _Last);
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_Last = _First + _X.size(); }
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else if (_X.size() <= capacity())
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{const_iterator _S = _X.begin() + size();
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copy(_X.begin(), _S, _First);
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_Ucopy(_S, _X.end(), _Last);
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_Last = _First + _X.size(); }
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else
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{_Destroy(_First, _Last);
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allocator.deallocate(_First, _End - _First);
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_First = allocator.allocate(_X.size(), (void *)0);
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_Last = _Ucopy(_X.begin(), _X.end(),
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_First);
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_End = _Last; }
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return (*this); }
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void reserve(size_type _N)
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{if (capacity() < _N)
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{iterator _S = allocator.allocate(_N, (void *)0);
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_Ucopy(_First, _Last, _S);
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_Destroy(_First, _Last);
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allocator.deallocate(_First, _End - _First);
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_End = _S + _N;
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_Last = _S + size();
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_First = _S; }}
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size_type capacity() const
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{return (_First == 0 ? 0 : _End - _First); }
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iterator begin()
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{return (_First); }
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const_iterator begin() const
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{return ((const_iterator)_First); }
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iterator end()
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{return (_Last); }
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const_iterator end() const
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{return ((const_iterator)_Last); }
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reverse_iterator rbegin()
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{return (reverse_iterator(end())); }
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const_reverse_iterator rbegin() const
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{return (const_reverse_iterator(end())); }
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reverse_iterator rend()
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{return (reverse_iterator(begin())); }
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const_reverse_iterator rend() const
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{return (const_reverse_iterator(begin())); }
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void resize(size_type _N, const _Ty& _X = _Ty())
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{if (size() < _N)
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insert(end(), _N - size(), _X);
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else if (_N < size())
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erase(begin() + _N, end()); }
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size_type size() const
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{return (_First == 0 ? 0 : _Last - _First); }
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size_type max_size() const
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{return (allocator.max_size()); }
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bool empty() const
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{return (size() == 0); }
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_A get_allocator() const
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{return (allocator); }
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const_reference at(size_type _P) const
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{if (size() <= _P)
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_Xran();
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return (*(begin() + _P)); }
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reference at(size_type _P)
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{if (size() <= _P)
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_Xran();
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return (*(begin() + _P)); }
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const_reference operator[](size_type _P) const
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{return (*(begin() + _P)); }
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reference operator[](size_type _P)
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{return (*(begin() + _P)); }
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reference front()
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{return (*begin()); }
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const_reference front() const
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{return (*begin()); }
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reference back()
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{return (*(end() - 1)); }
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const_reference back() const
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{return (*(end() - 1)); }
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void push_back(const _Ty& _X)
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{insert(end(), _X); }
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void pop_back()
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{erase(end() - 1); }
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void assign(_It _F, _It _L)
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{erase(begin(), end());
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insert(begin(), _F, _L); }
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void assign(size_type _N, const _Ty& _X = _Ty())
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{erase(begin(), end());
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insert(begin(), _N, _X); }
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iterator insert(iterator _P, const _Ty& _X = _Ty())
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{size_type _O = _P - begin();
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insert(_P, 1, _X);
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return (begin() + _O); }
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void insert(iterator _P, size_type _M, const _Ty& _X)
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{if (_End - _Last < _M)
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{size_type _N = size() + (_M < size() ? size() : _M);
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iterator _S = allocator.allocate(_N, (void *)0);
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iterator _Q = _Ucopy(_First, _P, _S);
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_Ufill(_Q, _M, _X);
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_Ucopy(_P, _Last, _Q + _M);
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_Destroy(_First, _Last);
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allocator.deallocate(_First, _End - _First);
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_End = _S + _N;
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_Last = _S + size() + _M;
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_First = _S; }
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else if (_Last - _P < _M)
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{_Ucopy(_P, _Last, _P + _M);
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_Ufill(_Last, _M - (_Last - _P), _X);
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fill(_P, _Last, _X);
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_Last += _M; }
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else if (0 < _M)
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{_Ucopy(_Last - _M, _Last, _Last);
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copy_backward(_P, _Last - _M, _Last);
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fill(_P, _P + _M, _X);
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_Last += _M; }}
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void insert(iterator _P, _It _F, _It _L)
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{size_type _M = 0;
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_Distance(_F, _L, _M);
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if (_End - _Last < _M)
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{size_type _N = size() + (_M < size() ? size() : _M);
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iterator _S = allocator.allocate(_N, (void *)0);
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iterator _Q = _Ucopy(_First, _P, _S);
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_Q = _Ucopy(_F, _L, _Q);
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_Ucopy(_P, _Last, _Q);
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_Destroy(_First, _Last);
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allocator.deallocate(_First, _End - _First);
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_End = _S + _N;
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_Last = _S + size() + _M;
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_First = _S; }
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else if (_Last - _P < _M)
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{_Ucopy(_P, _Last, _P + _M);
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_Ucopy(_F + (_Last - _P), _L, _Last);
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copy(_F, _F + (_Last - _P), _P);
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_Last += _M; }
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else if (0 < _M)
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{_Ucopy(_Last - _M, _Last, _Last);
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copy_backward(_P, _Last - _M, _Last);
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copy(_F, _L, _P);
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_Last += _M; }}
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iterator erase(iterator _P)
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{copy(_P + 1, end(), _P);
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_Destroy(_Last - 1, _Last);
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--_Last;
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return (_P); }
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iterator erase(iterator _F, iterator _L)
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{iterator _S = copy(_L, end(), _F);
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_Destroy(_S, end());
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_Last = _S;
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return (_F); }
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void clear()
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{erase(begin(), end()); }
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bool _Eq(const _Myt& _X) const
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{return (size() == _X.size()
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&& equal(begin(), end(), _X.begin())); }
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bool _Lt(const _Myt& _X) const
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{return (lexicographical_compare(begin(), end(),
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_X.begin(), _X.end())); }
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void swap(_Myt& _X)
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{if (allocator == _X.allocator)
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{std::swap(_First, _X._First);
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std::swap(_Last, _X._Last);
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std::swap(_End, _X._End); }
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else
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{_Myt _Ts = *this; *this = _X, _X = _Ts; }}
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friend void swap(_Myt& _X, _Myt& _Y)
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{_X.swap(_Y); }
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protected:
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void _Destroy(iterator _F, iterator _L)
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{for (; _F != _L; ++_F)
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allocator.destroy(_F); }
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iterator _Ucopy(const_iterator _F, const_iterator _L,
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iterator _P)
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{for (; _F != _L; ++_P, ++_F)
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allocator.construct(_P, *_F);
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return (_P); }
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void _Ufill(iterator _F, size_type _N, const _Ty &_X)
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{for (; 0 < _N; --_N, ++_F)
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allocator.construct(_F, _X); }
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void _Xran() const
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{_THROW(out_of_range, "invalid vector<T> subscript"); }
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_A allocator;
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iterator _First, _Last, _End;
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};
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// CLASS vector<_Bool, allocator>
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typedef unsigned int _Vbase;
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const int _VBITS = CHAR_BIT * sizeof (_Vbase);
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typedef allocator<_Vbase> _Bool_allocator;
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class vector<_Bool, _Bool_allocator> {
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public:
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typedef _Bool_allocator _A;
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typedef _Bool _Ty;
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typedef vector<_Ty, _A> _Myt;
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typedef vector<_Vbase, _A> _Vbtype;
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typedef _A allocator_type;
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typedef _A::size_type size_type;
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typedef _A::difference_type difference_type;
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// CLASS reference
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class reference {
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public:
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reference()
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: _Mask(0), _Ptr(0) {}
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reference(size_t _O, _Vbase *_P)
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: _Mask((_Vbase)1 << _O), _Ptr(_P) {}
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reference& operator=(const reference& _X)
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{return (*this = bool(_X)); }
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reference& operator=(bool _V)
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{if (_V)
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*_Ptr |= _Mask;
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else
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*_Ptr &= ~_Mask;
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return (*this); }
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void flip()
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{*_Ptr ^= _Mask; }
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bool operator~() const
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{return (!bool(*this)); }
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operator bool() const
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{return ((*_Ptr & _Mask) != 0); }
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protected:
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_Vbase _Mask, *_Ptr;
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};
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typedef const reference const_reference;
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typedef bool value_type;
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// CLASS iterator
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class iterator : public _Ranit<_Bool, difference_type> {
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public:
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iterator()
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: _Off(0), _Ptr(0) {}
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iterator(size_t _O, _Vbase *_P)
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: _Off(_O), _Ptr(_P) {}
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reference operator*() const
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{return (reference(_Off, _Ptr)); }
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iterator& operator++()
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{_Inc();
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return (*this); }
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iterator operator++(int)
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{iterator _Tmp = *this;
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_Inc();
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return (_Tmp); }
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iterator& operator--()
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{_Dec();
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return (*this); }
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iterator operator--(int)
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{iterator _Tmp = *this;
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_Dec();
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return (_Tmp); }
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iterator& operator+=(difference_type _N)
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{_Off += (size_t) _N;
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_Ptr += _Off / _VBITS;
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_Off %= _VBITS;
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return (*this); }
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iterator& operator-=(difference_type _N)
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{return (*this += -_N); }
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iterator operator+(difference_type _N) const
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{iterator _Tmp = *this;
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return (_Tmp += _N); }
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iterator operator-(difference_type _N) const
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{iterator _Tmp = *this;
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return (_Tmp -= _N); }
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difference_type operator-(const iterator _X) const
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{return (_VBITS * (_Ptr - _X._Ptr)
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+ (difference_type)_Off
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- (difference_type)_X._Off); }
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reference operator[](difference_type _N) const
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{return (*(*this + _N)); }
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bool operator==(const iterator& _X) const
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{return (_Ptr == _X._Ptr && _Off == _X._Off); }
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bool operator!=(const iterator& _X) const
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{return (!(*this == _X)); }
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bool operator<(const iterator& _X) const
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{return (_Ptr < _X._Ptr
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|| _Ptr == _X._Ptr && _Off < _X._Off); }
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bool operator>(const iterator& _X) const
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{return (_X < *this); }
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bool operator<=(const iterator& _X) const
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{return (!(_X < *this)); }
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bool operator>=(const iterator& _X) const
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{return (!(*this < _X)); }
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protected:
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void _Dec()
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{if (_Off != 0)
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--_Off;
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else
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_Off = _VBITS - 1, --_Ptr; }
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void _Inc()
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{if (_Off < _VBITS - 1)
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++_Off;
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else
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_Off = 0, ++_Ptr; }
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size_t _Off;
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_Vbase *_Ptr;
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};
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// CLASS const_iterator
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class const_iterator : public iterator {
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public:
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const_iterator()
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: iterator() {}
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const_iterator(size_t _O, const _Vbase *_P)
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: iterator(_O, (_Vbase *)_P) {}
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const_iterator(const iterator& _X)
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: iterator(_X) {}
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const_reference operator*() const
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{return (reference(_Off, _Ptr)); }
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const_iterator& operator++()
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{_Inc();
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return (*this); }
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const_iterator operator++(int)
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{const_iterator _Tmp = *this;
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_Inc();
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return (_Tmp); }
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const_iterator& operator--()
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{_Dec();
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return (*this); }
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const_iterator operator--(int)
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{const_iterator _Tmp = *this;
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_Dec();
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return (_Tmp); }
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const_iterator& operator+=(difference_type _N)
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{_Off += (size_t) _N;
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_Ptr += _Off / _VBITS;
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_Off %= _VBITS;
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return (*this); }
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const_iterator& operator-=(difference_type _N)
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{return (*this += -_N); }
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const_iterator operator+(difference_type _N) const
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{const_iterator _Tmp = *this;
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return (_Tmp += _N); }
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const_iterator operator-(difference_type _N) const
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{const_iterator _Tmp = *this;
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return (_Tmp -= _N); }
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difference_type operator-(const const_iterator _X) const
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{return (_VBITS * (_Ptr - _X._Ptr)
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+ (difference_type)_Off
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- (difference_type)_X._Off); }
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const_reference operator[](difference_type _N) const
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{return (*(*this + _N)); }
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bool operator==(const const_iterator& _X) const
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{return (_Ptr == _X._Ptr && _Off == _X._Off); }
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bool operator!=(const const_iterator& _X) const
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{return (!(*this == _X)); }
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bool operator<(const const_iterator& _X) const
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{return (_Ptr < _X._Ptr
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|| _Ptr == _X._Ptr && _Off < _X._Off); }
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bool operator>(const const_iterator& _X) const
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{return (_X < *this); }
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bool operator<=(const const_iterator& _X) const
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{return (!(_X < *this)); }
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bool operator>=(const const_iterator& _X) const
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{return (!(*this < _X)); }
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};
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typedef reverse_iterator<const_iterator, value_type,
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const_reference, const_reference *, difference_type>
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const_reverse_iterator;
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typedef reverse_iterator<iterator, value_type,
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reference, reference *, difference_type>
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reverse_iterator;
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explicit vector(const _A& _Al = _A())
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: _Size(0), _Vec(_Al) {}
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explicit vector(size_type _N, const bool _V = false,
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const _A& _Al = _A())
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: _Vec(_Nw(_N), _V ? -1 : 0, _Al) {_Trim(_N); }
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typedef const_iterator _It;
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vector(_It _F, _It _L, const _A& _Al = _A())
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: _Size(0), _Vec(_Al)
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{insert(begin(), _F, _L); }
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~vector()
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{_Size = 0; }
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void reserve(size_type _N)
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{_Vec.reserve(_Nw(_N)); }
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size_type capacity() const
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{return (_Vec.capacity() * _VBITS); }
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iterator begin()
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{return (iterator(0, _Vec.begin())); }
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const_iterator begin() const
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{return (const_iterator(0, _Vec.begin())); }
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iterator end()
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{iterator _Tmp = begin();
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if (0 < _Size)
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_Tmp += _Size;
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return (_Tmp); }
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const_iterator end() const
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{const_iterator _Tmp = begin();
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if (0 < _Size)
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_Tmp += _Size;
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return (_Tmp); }
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reverse_iterator rbegin()
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{return (reverse_iterator(end())); }
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const_reverse_iterator rbegin() const
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{return (const_reverse_iterator(end())); }
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reverse_iterator rend()
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{return (reverse_iterator(begin())); }
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const_reverse_iterator rend() const
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{return (const_reverse_iterator(begin())); }
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void resize(size_type _N, bool _X = false)
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{if (size() < _N)
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insert(end(), _N - size(), _X);
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else if (_N < size())
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erase(begin() + _N, end()); }
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size_type size() const
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{return (_Size); }
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size_type max_size() const
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{return (_Vec.max_size() * _VBITS); }
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bool empty() const
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{return (size() == 0); }
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_A get_allocator() const
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{return (_Vec.get_allocator()); }
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const_reference at(size_type _P) const
|
|
{if (size() <= _P)
|
|
_Xran();
|
|
return (*(begin() + _P)); }
|
|
reference at(size_type _P)
|
|
{if (size() <= _P)
|
|
_Xran();
|
|
return (*(begin() + _P)); }
|
|
const_reference operator[](size_type _P) const
|
|
{return (*(begin() + _P)); }
|
|
reference operator[](size_type _P)
|
|
{return (*(begin() + _P)); }
|
|
reference front()
|
|
{return (*begin()); }
|
|
const_reference front() const
|
|
{return (*begin()); }
|
|
reference back()
|
|
{return (*(end() - 1)); }
|
|
const_reference back() const
|
|
{return (*(end() - 1)); }
|
|
void push_back(const bool _X)
|
|
{insert(end(), _X); }
|
|
void pop_back()
|
|
{erase(end() - 1); }
|
|
void assign(_It _F, _It _L)
|
|
{erase(begin(), end());
|
|
insert(begin(), _F, _L); }
|
|
void assign(size_type _N, const bool _X = false)
|
|
{erase(begin(), end());
|
|
insert(begin(), _N, _X); }
|
|
iterator insert(iterator _P, const bool _X = false)
|
|
{size_type _O = _P - begin();
|
|
insert(_P, 1, _X);
|
|
return (begin() + _O); }
|
|
void insert(iterator _P, size_type _M, const bool _X)
|
|
{if (0 < _M)
|
|
{if (capacity() - size() < _M)
|
|
{size_type _O = _P - begin();
|
|
_Vec.resize(_Nw(size() + _M), 0);
|
|
_P = begin() + _O; }
|
|
copy_backward(_P, end(), end() + _M);
|
|
fill(_P, _P + _M, _X);
|
|
_Size += _M; }}
|
|
void insert(iterator _P, _It _F, _It _L)
|
|
{size_type _M = 0;
|
|
_Distance(_F, _L, _M);
|
|
if (0 < _M)
|
|
{if (capacity() - size() < _M)
|
|
{size_type _O = _P - begin();
|
|
_Vec.resize(_Nw(size() + _M), 0);
|
|
_P = begin() + _O; }
|
|
copy_backward(_P, end(), end() + _M);
|
|
copy(_F, _L, _P);
|
|
_Size += _M; }}
|
|
iterator erase(iterator _P)
|
|
{copy(_P + 1, end(), _P);
|
|
_Trim(_Size - 1);
|
|
return (_P); }
|
|
iterator erase(iterator _F, iterator _L)
|
|
{iterator _S = copy(_L, end(), _F);
|
|
_Trim(_S - begin());
|
|
return (_F); }
|
|
void clear()
|
|
{erase(begin(), end()); }
|
|
void flip()
|
|
{for (_Vbtype::iterator _S = _Vec.begin();
|
|
_S != _Vec.end(); ++_S)
|
|
*_S = ~*_S;
|
|
_Trim(_Size); }
|
|
bool _Eq(const _Myt& _X) const
|
|
{return (_Size == _X._Size && _Vec._Eq(_X._Vec)); }
|
|
bool _Lt(const _Myt& _X) const
|
|
{return (_Size < _X._Size
|
|
|| _Size == _X._Size && _Vec._Lt(_X._Vec)); }
|
|
void swap(_Myt& _X)
|
|
{std::swap(_Size, _X._Size);
|
|
_Vec.swap(_X._Vec); }
|
|
friend void swap(_Myt& _X, _Myt& _Y)
|
|
{_X.swap(_Y); }
|
|
static void swap(reference _X, reference _Y)
|
|
{bool _V = _X;
|
|
_X = _Y;
|
|
_Y = _V; }
|
|
protected:
|
|
static size_type _Nw(size_type _N)
|
|
{return ((_N + _VBITS - 1) / _VBITS); }
|
|
void _Trim(size_type _N)
|
|
{size_type _M = _Nw(_N);
|
|
if (_M < _Vec.size())
|
|
_Vec.erase(_Vec.begin() + _M, _Vec.end());
|
|
_Size = _N;
|
|
_N %= _VBITS;
|
|
if (0 < _N)
|
|
_Vec[_M - 1] &= ((_Vbase)1 << _N) - 1; }
|
|
void _Xran() const
|
|
{_THROW(out_of_range, "invalid vector<bool> subscript"); }
|
|
size_type _Size;
|
|
_Vbtype _Vec;
|
|
};
|
|
typedef vector<_Bool, _Bool_allocator> _Bvector;
|
|
// vector TEMPLATE OPERATORS
|
|
template<class _Ty, class _A> inline
|
|
bool operator==(const vector<_Ty, _A>& _X,
|
|
const vector<_Ty, _A>& _Y)
|
|
{return (_X._Eq(_Y)); }
|
|
template<class _Ty, class _A> inline
|
|
bool operator!=(const vector<_Ty, _A>& _X,
|
|
const vector<_Ty, _A>& _Y)
|
|
{return (!(_X == _Y)); }
|
|
template<class _Ty, class _A> inline
|
|
bool operator<(const vector<_Ty, _A>& _X,
|
|
const vector<_Ty, _A>& _Y)
|
|
{return (_X._Lt(_Y)); }
|
|
template<class _Ty, class _A> inline
|
|
bool operator>(const vector<_Ty, _A>& _X,
|
|
const vector<_Ty, _A>& _Y)
|
|
{return (_Y < _X); }
|
|
template<class _Ty, class _A> inline
|
|
bool operator<=(const vector<_Ty, _A>& _X,
|
|
const vector<_Ty, _A>& _Y)
|
|
{return (!(_Y < _X)); }
|
|
template<class _Ty, class _A> inline
|
|
bool operator>=(const vector<_Ty, _A>& _X,
|
|
const vector<_Ty, _A>& _Y)
|
|
{return (!(_X < _Y)); }
|
|
_STD_END
|
|
#ifdef _MSC_VER
|
|
#pragma pack(pop)
|
|
#endif /* _MSC_VER */
|
|
|
|
#endif /* _VECTOR_ */
|
|
|
|
/*
|
|
* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
|
|
* Consult your license regarding permissions and restrictions.
|
|
*/
|
|
|
|
/*
|
|
* This file is derived from software bearing the following
|
|
* restrictions:
|
|
*
|
|
* Copyright (c) 1994
|
|
* Hewlett-Packard Company
|
|
*
|
|
* Permission to use, copy, modify, distribute and sell this
|
|
* software and its documentation for any purpose is hereby
|
|
* granted without fee, provided that the above copyright notice
|
|
* appear in all copies and that both that copyright notice and
|
|
* this permission notice appear in supporting documentation.
|
|
* Hewlett-Packard Company makes no representations about the
|
|
* suitability of this software for any purpose. It is provided
|
|
* "as is" without express or implied warranty.
|
|
*/
|