// -*- C++ -*- //===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #ifndef _LIBCPP___CXX03_QUEUE #define _LIBCPP___CXX03_QUEUE /* queue synopsis namespace std { template > class queue { public: typedef Container container_type; typedef typename container_type::value_type value_type; typedef typename container_type::reference reference; typedef typename container_type::const_reference const_reference; typedef typename container_type::size_type size_type; protected: container_type c; public: queue() = default; ~queue() = default; queue(const queue& q) = default; queue(queue&& q) = default; queue& operator=(const queue& q) = default; queue& operator=(queue&& q) = default; explicit queue(const container_type& c); explicit queue(container_type&& c) template queue(InputIterator first, InputIterator last); // since C++23 template R> queue(from_range_t, R&& rg); // since C++23 template explicit queue(const Alloc& a); template queue(const container_type& c, const Alloc& a); template queue(container_type&& c, const Alloc& a); template queue(const queue& q, const Alloc& a); template queue(queue&& q, const Alloc& a); template queue(InputIterator first, InputIterator last, const Alloc&); // since C++23 template R, class Alloc> queue(from_range_t, R&& rg, const Alloc&); // since C++23 bool empty() const; size_type size() const; reference front(); const_reference front() const; reference back(); const_reference back() const; void push(const value_type& v); void push(value_type&& v); template R> void push_range(R&& rg); // C++23 template reference emplace(Args&&... args); // reference in C++17 void pop(); void swap(queue& q) noexcept(is_nothrow_swappable_v) }; template queue(Container) -> queue; // C++17 template queue(InputIterator, InputIterator) -> queue>; // since C++23 template queue(from_range_t, R&&) -> queue>; // since C++23 template queue(Container, Allocator) -> queue; // C++17 template queue(InputIterator, InputIterator, Allocator) -> queue, deque, Allocator>>; // since C++23 template queue(from_range_t, R&&, Allocator) -> queue, deque, Allocator>>; // since C++23 template bool operator==(const queue& x,const queue& y); template bool operator< (const queue& x,const queue& y); template bool operator!=(const queue& x,const queue& y); template bool operator> (const queue& x,const queue& y); template bool operator>=(const queue& x,const queue& y); template bool operator<=(const queue& x,const queue& y); template compare_three_way_result_t operator<=>(const queue& x, const queue& y); // since C++20 template void swap(queue& x, queue& y) noexcept(noexcept(x.swap(y))); template , class Compare = less> class priority_queue { public: typedef Container container_type; typedef typename container_type::value_type value_type; typedef typename container_type::reference reference; typedef typename container_type::const_reference const_reference; typedef typename container_type::size_type size_type; protected: container_type c; Compare comp; public: priority_queue() : priority_queue(Compare()) {} // C++20 explicit priority_queue(const Compare& x) : priority_queue(x, Container()) {} priority_queue(const Compare& x, const Container&); explicit priority_queue(const Compare& x = Compare(), Container&& = Container()); // before C++20 priority_queue(const Compare& x, Container&&); // C++20 template priority_queue(InputIterator first, InputIterator last, const Compare& comp = Compare()); template priority_queue(InputIterator first, InputIterator last, const Compare& comp, const Container& c); template priority_queue(InputIterator first, InputIterator last, const Compare& comp, Container&& c); template R> priority_queue(from_range_t, R&& rg, const Compare& x = Compare()); // since C++23 template explicit priority_queue(const Alloc& a); template priority_queue(const Compare& comp, const Alloc& a); template priority_queue(const Compare& comp, const Container& c, const Alloc& a); template priority_queue(const Compare& comp, Container&& c, const Alloc& a); template priority_queue(InputIterator first, InputIterator last, const Alloc& a); template priority_queue(InputIterator first, InputIterator last, const Compare& comp, const Alloc& a); template priority_queue(InputIterator first, InputIterator last, const Compare& comp, const Container& c, const Alloc& a); template priority_queue(InputIterator first, InputIterator last, const Compare& comp, Container&& c, const Alloc& a); template R, class Alloc> priority_queue(from_range_t, R&& rg, const Compare&, const Alloc&); // since C++23 template R, class Alloc> priority_queue(from_range_t, R&& rg, const Alloc&); // since C++23 template priority_queue(const priority_queue& q, const Alloc& a); template priority_queue(priority_queue&& q, const Alloc& a); bool empty() const; size_type size() const; const_reference top() const; void push(const value_type& v); void push(value_type&& v); template R> void push_range(R&& rg); // C++23 template void emplace(Args&&... args); void pop(); void swap(priority_queue& q) noexcept(is_nothrow_swappable_v && is_nothrow_swappable_v) }; template priority_queue(Compare, Container) -> priority_queue; // C++17 template>, class Container = vector>> priority_queue(InputIterator, InputIterator, Compare = Compare(), Container = Container()) -> priority_queue, Container, Compare>; // C++17 template>> priority_queue(from_range_t, R&&, Compare = Compare()) -> priority_queue, vector>, Compare>; // C++23 template priority_queue(Compare, Container, Allocator) -> priority_queue; // C++17 template priority_queue(InputIterator, InputIterator, Allocator) -> priority_queue, vector, Allocator>, less>>; // C++17 template priority_queue(InputIterator, InputIterator, Compare, Allocator) -> priority_queue, vector, Allocator>, Compare>; // C++17 template priority_queue(InputIterator, InputIterator, Compare, Container, Allocator) -> priority_queue; // C++17 template priority_queue(from_range_t, R&&, Compare, Allocator) -> priority_queue, vector, Allocator>, Compare>; // C++23 template priority_queue(from_range_t, R&&, Allocator) -> priority_queue, vector, Allocator>>; // C++23 template void swap(priority_queue& x, priority_queue& y) noexcept(noexcept(x.swap(y))); } // std */ #include <__cxx03/__algorithm/make_heap.h> #include <__cxx03/__algorithm/pop_heap.h> #include <__cxx03/__algorithm/push_heap.h> #include <__cxx03/__config> #include <__cxx03/__functional/operations.h> #include <__cxx03/__fwd/deque.h> #include <__cxx03/__fwd/queue.h> #include <__cxx03/__iterator/back_insert_iterator.h> #include <__cxx03/__iterator/iterator_traits.h> #include <__cxx03/__memory/uses_allocator.h> #include <__cxx03/__utility/forward.h> #include <__cxx03/deque> #include <__cxx03/vector> #include <__cxx03/version> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif _LIBCPP_PUSH_MACROS #include <__cxx03/__undef_macros> _LIBCPP_BEGIN_NAMESPACE_STD template _LIBCPP_HIDE_FROM_ABI bool operator==(const queue<_Tp, _Container>& __x, const queue<_Tp, _Container>& __y); template _LIBCPP_HIDE_FROM_ABI bool operator<(const queue<_Tp, _Container>& __x, const queue<_Tp, _Container>& __y); template */> class _LIBCPP_TEMPLATE_VIS queue { public: typedef _Container container_type; typedef typename container_type::value_type value_type; typedef typename container_type::reference reference; typedef typename container_type::const_reference const_reference; typedef typename container_type::size_type size_type; static_assert(is_same<_Tp, value_type>::value, ""); protected: container_type c; public: _LIBCPP_HIDE_FROM_ABI queue() : c() {} _LIBCPP_HIDE_FROM_ABI queue(const queue& __q) : c(__q.c) {} _LIBCPP_HIDE_FROM_ABI queue& operator=(const queue& __q) { c = __q.c; return *this; } _LIBCPP_HIDE_FROM_ABI explicit queue(const container_type& __c) : c(__c) {} template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI explicit queue(const _Alloc& __a) : c(__a) {} template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI queue(const queue& __q, const _Alloc& __a) : c(__q.c, __a) {} template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI queue(const container_type& __c, const _Alloc& __a) : c(__c, __a) {} _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI bool empty() const { return c.empty(); } _LIBCPP_HIDE_FROM_ABI size_type size() const { return c.size(); } _LIBCPP_HIDE_FROM_ABI reference front() { return c.front(); } _LIBCPP_HIDE_FROM_ABI const_reference front() const { return c.front(); } _LIBCPP_HIDE_FROM_ABI reference back() { return c.back(); } _LIBCPP_HIDE_FROM_ABI const_reference back() const { return c.back(); } _LIBCPP_HIDE_FROM_ABI void push(const value_type& __v) { c.push_back(__v); } _LIBCPP_HIDE_FROM_ABI void pop() { c.pop_front(); } _LIBCPP_HIDE_FROM_ABI void swap(queue& __q) { using std::swap; swap(c, __q.c); } _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI const _Container& __get_container() const { return c; } template friend _LIBCPP_HIDE_FROM_ABI bool operator==(const queue<_T1, _OtherContainer>& __x, const queue<_T1, _OtherContainer>& __y); template friend _LIBCPP_HIDE_FROM_ABI bool operator<(const queue<_T1, _OtherContainer>& __x, const queue<_T1, _OtherContainer>& __y); }; template inline _LIBCPP_HIDE_FROM_ABI bool operator==(const queue<_Tp, _Container>& __x, const queue<_Tp, _Container>& __y) { return __x.c == __y.c; } template inline _LIBCPP_HIDE_FROM_ABI bool operator<(const queue<_Tp, _Container>& __x, const queue<_Tp, _Container>& __y) { return __x.c < __y.c; } template inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const queue<_Tp, _Container>& __x, const queue<_Tp, _Container>& __y) { return !(__x == __y); } template inline _LIBCPP_HIDE_FROM_ABI bool operator>(const queue<_Tp, _Container>& __x, const queue<_Tp, _Container>& __y) { return __y < __x; } template inline _LIBCPP_HIDE_FROM_ABI bool operator>=(const queue<_Tp, _Container>& __x, const queue<_Tp, _Container>& __y) { return !(__x < __y); } template inline _LIBCPP_HIDE_FROM_ABI bool operator<=(const queue<_Tp, _Container>& __x, const queue<_Tp, _Container>& __y) { return !(__y < __x); } template , int> = 0> inline _LIBCPP_HIDE_FROM_ABI void swap(queue<_Tp, _Container>& __x, queue<_Tp, _Container>& __y) { __x.swap(__y); } template struct _LIBCPP_TEMPLATE_VIS uses_allocator, _Alloc> : public uses_allocator<_Container, _Alloc> { }; template class _LIBCPP_TEMPLATE_VIS priority_queue { public: typedef _Container container_type; typedef _Compare value_compare; typedef typename container_type::value_type value_type; typedef typename container_type::reference reference; typedef typename container_type::const_reference const_reference; typedef typename container_type::size_type size_type; static_assert(is_same<_Tp, value_type>::value, ""); protected: container_type c; value_compare comp; public: _LIBCPP_HIDE_FROM_ABI priority_queue() : c(), comp() {} _LIBCPP_HIDE_FROM_ABI priority_queue(const priority_queue& __q) : c(__q.c), comp(__q.comp) {} _LIBCPP_HIDE_FROM_ABI priority_queue& operator=(const priority_queue& __q) { c = __q.c; comp = __q.comp; return *this; } _LIBCPP_HIDE_FROM_ABI explicit priority_queue(const value_compare& __comp) : c(), comp(__comp) {} _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, const container_type& __c); template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp = value_compare()); template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp, const container_type& __c); template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI explicit priority_queue(const _Alloc& __a); template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, const _Alloc& __a); template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, const container_type& __c, const _Alloc& __a); template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI priority_queue(const priority_queue& __q, const _Alloc& __a); template < class _InputIter, class _Alloc, __enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator::value, int> = 0> _LIBCPP_HIDE_FROM_ABI priority_queue(_InputIter __f, _InputIter __l, const _Alloc& __a); template < class _InputIter, class _Alloc, __enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator::value, int> = 0> _LIBCPP_HIDE_FROM_ABI priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp, const _Alloc& __a); template < class _InputIter, class _Alloc, __enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator::value, int> = 0> _LIBCPP_HIDE_FROM_ABI priority_queue( _InputIter __f, _InputIter __l, const value_compare& __comp, const container_type& __c, const _Alloc& __a); _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI bool empty() const { return c.empty(); } _LIBCPP_HIDE_FROM_ABI size_type size() const { return c.size(); } _LIBCPP_HIDE_FROM_ABI const_reference top() const { return c.front(); } _LIBCPP_HIDE_FROM_ABI void push(const value_type& __v); _LIBCPP_HIDE_FROM_ABI void pop(); _LIBCPP_HIDE_FROM_ABI void swap(priority_queue& __q); _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI const _Container& __get_container() const { return c; } }; template inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Compare& __comp, const container_type& __c) : c(__c), comp(__comp) { std::make_heap(c.begin(), c.end(), comp); } template template ::value, int> > inline priority_queue<_Tp, _Container, _Compare>::priority_queue( _InputIter __f, _InputIter __l, const value_compare& __comp) : c(__f, __l), comp(__comp) { std::make_heap(c.begin(), c.end(), comp); } template template ::value, int> > inline priority_queue<_Tp, _Container, _Compare>::priority_queue( _InputIter __f, _InputIter __l, const value_compare& __comp, const container_type& __c) : c(__c), comp(__comp) { c.insert(c.end(), __f, __l); std::make_heap(c.begin(), c.end(), comp); } template template ::value, int> > inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Alloc& __a) : c(__a) {} template template ::value, int> > inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp, const _Alloc& __a) : c(__a), comp(__comp) {} template template ::value, int> > inline priority_queue<_Tp, _Container, _Compare>::priority_queue( const value_compare& __comp, const container_type& __c, const _Alloc& __a) : c(__c, __a), comp(__comp) { std::make_heap(c.begin(), c.end(), comp); } template template ::value, int> > inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const priority_queue& __q, const _Alloc& __a) : c(__q.c, __a), comp(__q.comp) {} template template < class _InputIter, class _Alloc, __enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<_Container, _Alloc>::value, int> > inline priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l, const _Alloc& __a) : c(__f, __l, __a), comp() { std::make_heap(c.begin(), c.end(), comp); } template template < class _InputIter, class _Alloc, __enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<_Container, _Alloc>::value, int> > inline priority_queue<_Tp, _Container, _Compare>::priority_queue( _InputIter __f, _InputIter __l, const value_compare& __comp, const _Alloc& __a) : c(__f, __l, __a), comp(__comp) { std::make_heap(c.begin(), c.end(), comp); } template template < class _InputIter, class _Alloc, __enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<_Container, _Alloc>::value, int> > inline priority_queue<_Tp, _Container, _Compare>::priority_queue( _InputIter __f, _InputIter __l, const value_compare& __comp, const container_type& __c, const _Alloc& __a) : c(__c, __a), comp(__comp) { c.insert(c.end(), __f, __l); std::make_heap(c.begin(), c.end(), comp); } template inline void priority_queue<_Tp, _Container, _Compare>::push(const value_type& __v) { c.push_back(__v); std::push_heap(c.begin(), c.end(), comp); } template inline void priority_queue<_Tp, _Container, _Compare>::pop() { std::pop_heap(c.begin(), c.end(), comp); c.pop_back(); } template inline void priority_queue<_Tp, _Container, _Compare>::swap(priority_queue& __q) { using std::swap; swap(c, __q.c); swap(comp, __q.comp); } template && __is_swappable_v<_Compare>, int> = 0> inline _LIBCPP_HIDE_FROM_ABI void swap(priority_queue<_Tp, _Container, _Compare>& __x, priority_queue<_Tp, _Container, _Compare>& __y) { __x.swap(__y); } template struct _LIBCPP_TEMPLATE_VIS uses_allocator, _Alloc> : public uses_allocator<_Container, _Alloc> {}; _LIBCPP_END_NAMESPACE_STD _LIBCPP_POP_MACROS #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) # include <__cxx03/cstdlib> # include <__cxx03/functional> # include <__cxx03/type_traits> #endif #endif // _LIBCPP___CXX03_QUEUE