#include <ext/pb_ds/detail/cond_dealtor.hpp>
#include <ext/pb_ds/detail/type_utils.hpp>
#include <ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp>
#include <ext/pb_ds/detail/left_child_next_sibling_heap_/null_metadata.hpp>
#include <debug/debug.h>
namespace pb_ds
{
namespace detail
{
#define PB_DS_CLASS_T_DEC \
template<typename Value_Type, class Cmp_Fn, class Allocator>
#define PB_DS_CLASS_C_DEC \
pairing_heap_<Value_Type, Cmp_Fn, Allocator>
#ifdef _GLIBCXX_DEBUG
#define PB_DS_BASE_C_DEC \
left_child_next_sibling_heap_< \
Value_Type, \
Cmp_Fn, \
null_left_child_next_sibling_heap_node_metadata, \
Allocator, \
false>
#else
#define PB_DS_BASE_C_DEC \
left_child_next_sibling_heap_< \
Value_Type, \
Cmp_Fn, \
null_left_child_next_sibling_heap_node_metadata, \
Allocator>
#endif
template<typename Value_Type, class Cmp_Fn, class Allocator>
class pairing_heap_ : public PB_DS_BASE_C_DEC
{
private:
typedef PB_DS_BASE_C_DEC base_type;
typedef typename base_type::node_pointer node_pointer;
public:
typedef typename Allocator::size_type size_type;
typedef typename Allocator::difference_type difference_type;
typedef Value_Type value_type;
typedef
typename Allocator::template rebind<
value_type>::other::pointer
pointer;
typedef
typename Allocator::template rebind<
value_type>::other::const_pointer
const_pointer;
typedef
typename Allocator::template rebind<
value_type>::other::reference
reference;
typedef
typename Allocator::template rebind<
value_type>::other::const_reference
const_reference;
typedef
typename PB_DS_BASE_C_DEC::const_point_iterator
const_point_iterator;
typedef typename PB_DS_BASE_C_DEC::point_iterator point_iterator;
typedef typename PB_DS_BASE_C_DEC::const_iterator const_iterator;
typedef typename PB_DS_BASE_C_DEC::iterator iterator;
typedef Cmp_Fn cmp_fn;
typedef Allocator allocator;
pairing_heap_();
pairing_heap_(const Cmp_Fn& r_cmp_fn);
pairing_heap_(const PB_DS_CLASS_C_DEC& other);
void
swap(PB_DS_CLASS_C_DEC& other);
~pairing_heap_();
inline point_iterator
push(const_reference r_val);
void
modify(point_iterator it, const_reference r_new_val);
inline const_reference
top() const;
void
pop();
void
erase(point_iterator it);
template<typename Pred>
size_type
erase_if(Pred pred);
template<typename Pred>
void
split(Pred pred, PB_DS_CLASS_C_DEC& other);
void
join(PB_DS_CLASS_C_DEC& other);
protected:
template<typename It>
void
copy_from_range(It first_it, It last_it);
#ifdef _GLIBCXX_DEBUG
void
assert_valid() const;
#endif
private:
inline void
push_imp(node_pointer p_nd);
node_pointer
join_node_children(node_pointer p_nd);
node_pointer
forward_join(node_pointer p_nd, node_pointer p_next);
node_pointer
back_join(node_pointer p_nd, node_pointer p_next);
void
remove_node(node_pointer p_nd);
};
#include <ext/pb_ds/detail/pairing_heap_/constructors_destructor_fn_imps.hpp>
#include <ext/pb_ds/detail/pairing_heap_/debug_fn_imps.hpp>
#include <ext/pb_ds/detail/pairing_heap_/find_fn_imps.hpp>
#include <ext/pb_ds/detail/pairing_heap_/insert_fn_imps.hpp>
#include <ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp>
#include <ext/pb_ds/detail/pairing_heap_/split_join_fn_imps.hpp>
#undef PB_DS_CLASS_C_DEC
#undef PB_DS_CLASS_T_DEC
#undef PB_DS_BASE_C_DEC
} }