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590 lines
23 KiB
C++
590 lines
23 KiB
C++
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typedef unsigned long size_t;
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template<class T>
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struct remove_const { typedef T type; };
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template<class T>
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struct remove_const<const T> { typedef T type; };
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// `remove_const_t<T>` removes any `const` specifier from `T`
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template<class T>
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using remove_const_t = typename remove_const<T>::type;
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template<class T>
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struct remove_reference { typedef T type; };
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template<class T>
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struct remove_reference<T &> { typedef T type; };
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template<class T>
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struct remove_reference<T &&> { typedef T type; };
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// `remove_reference_t<T>` removes any `&` from `T`
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template<class T>
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using remove_reference_t = typename remove_reference<T>::type;
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namespace std
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{
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template<class T> constexpr T&& forward(remove_reference_t<T>& t) noexcept;
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template<class T> constexpr T&& forward(remove_reference_t<T>&& t) noexcept;
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}
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// --- iterator ---
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namespace std {
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struct ptrdiff_t;
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template<class I> struct iterator_traits;
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template <class Category,
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class value_type,
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class difference_type = ptrdiff_t,
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class pointer_type = value_type*,
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class reference_type = value_type&>
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struct iterator {
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typedef Category iterator_category;
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iterator();
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iterator(iterator<Category, remove_const_t<value_type> > const &other); // non-const -> const conversion constructor
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iterator &operator++();
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iterator operator++(int);
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iterator &operator--();
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iterator operator--(int);
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bool operator==(iterator other) const;
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bool operator!=(iterator other) const;
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reference_type operator*() const;
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pointer_type operator->() const;
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iterator operator+(int);
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iterator operator-(int);
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iterator &operator+=(int);
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iterator &operator-=(int);
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int operator-(iterator);
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reference_type operator[](int);
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};
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struct input_iterator_tag {};
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struct forward_iterator_tag : public input_iterator_tag {};
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struct bidirectional_iterator_tag : public forward_iterator_tag {};
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struct random_access_iterator_tag : public bidirectional_iterator_tag {};
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}
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// --- string ---
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namespace std
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{
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template<class charT> struct char_traits;
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typedef size_t streamsize;
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template <class T> class allocator {
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public:
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allocator() throw();
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typedef size_t size_type;
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};
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template<class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_string {
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public:
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using value_type = charT;
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using reference = value_type&;
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using const_reference = const value_type&;
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typedef typename Allocator::size_type size_type;
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static const size_type npos = -1;
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explicit basic_string(const Allocator& a = Allocator());
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basic_string(const charT* s, const Allocator& a = Allocator());
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template<class InputIterator> basic_string(InputIterator begin, InputIterator end, const Allocator& a = Allocator());
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const charT* c_str() const;
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charT* data() noexcept;
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size_t length() const;
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typedef std::iterator<random_access_iterator_tag, charT> iterator;
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typedef std::iterator<random_access_iterator_tag, const charT> const_iterator;
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iterator begin();
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iterator end();
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const_iterator begin() const;
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const_iterator end() const;
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const_iterator cbegin() const;
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const_iterator cend() const;
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void push_back(charT c);
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const charT& front() const;
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charT& front();
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const charT& back() const;
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charT& back();
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const_reference operator[](size_type pos) const;
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reference operator[](size_type pos);
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const_reference at(size_type n) const;
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reference at(size_type n);
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template<class T> basic_string& operator+=(const T& t);
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basic_string& operator+=(const charT* s);
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basic_string& append(const basic_string& str);
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basic_string& append(const charT* s);
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basic_string& append(size_type n, charT c);
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template<class InputIterator> basic_string& append(InputIterator first, InputIterator last);
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basic_string& assign(const basic_string& str);
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basic_string& assign(size_type n, charT c);
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template<class InputIterator> basic_string& assign(InputIterator first, InputIterator last);
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basic_string& insert(size_type pos, const basic_string& str);
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basic_string& insert(size_type pos, size_type n, charT c);
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basic_string& insert(size_type pos, const charT* s);
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iterator insert(const_iterator p, size_type n, charT c);
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template<class InputIterator> iterator insert(const_iterator p, InputIterator first, InputIterator last);
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basic_string& replace(size_type pos1, size_type n1, const basic_string& str);
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basic_string& replace(size_type pos1, size_type n1, size_type n2, charT c);
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size_type copy(charT* s, size_type n, size_type pos = 0) const;
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void clear() noexcept;
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basic_string substr(size_type pos = 0, size_type n = npos) const;
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void swap(basic_string& s) noexcept/*(allocator_traits<Allocator>::propagate_on_container_swap::value || allocator_traits<Allocator>::is_always_equal::value)*/;
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};
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template<class charT, class traits, class Allocator> basic_string<charT, traits, Allocator> operator+(const basic_string<charT, traits, Allocator>& lhs, const basic_string<charT, traits, Allocator>& rhs);
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template<class charT, class traits, class Allocator> basic_string<charT, traits, Allocator> operator+(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs);
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typedef basic_string<char> string;
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}
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// --- istring / ostream / stringstream ---
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namespace std
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{
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template <class charT, class traits = char_traits<charT> >
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class basic_istream /*: virtual public basic_ios<charT,traits> - not needed for this test */ {
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public:
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using char_type = charT;
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using int_type = int; //typename traits::int_type;
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basic_istream<charT, traits>& operator>>(int& n);
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int_type get();
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basic_istream<charT, traits>& get(char_type& c);
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basic_istream<charT, traits>& get(char_type* s, streamsize n);
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int_type peek();
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basic_istream<charT, traits>& read (char_type* s, streamsize n);
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streamsize readsome(char_type* s, streamsize n);
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basic_istream<charT, traits>& putback(char_type c);
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basic_istream<charT,traits>& unget();
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basic_istream<charT,traits>& getline(char_type* s, streamsize n);
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basic_istream<charT,traits>& getline(char_type* s, streamsize n, char_type delim);
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};
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template<class charT, class traits> basic_istream<charT, traits>& operator>>(basic_istream<charT, traits>&, charT*);
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template<class charT, class traits, class Allocator> basic_istream<charT, traits>& operator>>(basic_istream<charT, traits>& is, basic_string<charT, traits, Allocator>& str);
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template<class charT, class traits, class Allocator> basic_istream<charT,traits>& getline(basic_istream<charT,traits>& is, basic_string<charT,traits,Allocator>& str, charT delim);
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template<class charT, class traits, class Allocator> basic_istream<charT,traits>& getline(basic_istream<charT,traits>& is, basic_string<charT,traits,Allocator>& str);
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template <class charT, class traits = char_traits<charT> >
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class basic_ostream /*: virtual public basic_ios<charT,traits> - not needed for this test */ {
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public:
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typedef charT char_type;
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basic_ostream<charT, traits>& operator<<(int n);
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basic_ostream<charT, traits>& put(char_type c);
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basic_ostream<charT, traits>& write(const char_type* s, streamsize n);
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basic_ostream<charT,traits>& flush();
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};
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template<class charT, class traits> basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>&, const charT*);
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template<class charT, class traits, class Allocator> basic_ostream<charT, traits>& operator<<(basic_ostream<charT, traits>& os, const basic_string<charT, traits, Allocator>& str);
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template<class charT, class traits = char_traits<charT>>
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class basic_iostream : public basic_istream<charT, traits>, public basic_ostream<charT, traits> {
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public:
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};
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template<class charT, class traits = char_traits<charT>, class Allocator = allocator<charT>>
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class basic_stringstream : public basic_iostream<charT, traits> {
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public:
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explicit basic_stringstream(/*ios_base::openmode which = ios_base::out|ios_base::in - not needed for this test*/);
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explicit basic_stringstream( const basic_string<charT, traits, Allocator>& str/*, ios_base::openmode which = ios_base::out | ios_base::in*/);
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basic_stringstream(const basic_stringstream& rhs) = delete;
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basic_stringstream(basic_stringstream&& rhs);
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basic_stringstream& operator=(const basic_stringstream& rhs) = delete;
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basic_stringstream& operator=(basic_stringstream&& rhs);
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void swap(basic_stringstream& rhs);
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basic_string<charT, traits, Allocator> str() const;
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void str(const basic_string<charT, traits, Allocator>& str);
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};
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typedef basic_istream<char> istream;
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typedef basic_ostream<char> ostream;
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extern istream cin;
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extern ostream cout;
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using stringstream = basic_stringstream<char>;
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}
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// --- vector ---
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namespace std {
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template<class T, class Allocator = allocator<T>>
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class vector {
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public:
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using value_type = T;
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using reference = value_type&;
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using const_reference = const value_type&;
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using size_type = unsigned int;
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using iterator = std::iterator<random_access_iterator_tag, T>;
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using const_iterator = std::iterator<random_access_iterator_tag, const T>;
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vector() noexcept(noexcept(Allocator())) : vector(Allocator()) { }
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explicit vector(const Allocator&) noexcept;
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explicit vector(size_type n, const Allocator& = Allocator());
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vector(size_type n, const T& value, const Allocator& = Allocator());
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template<class InputIterator, class IteratorCategory = typename InputIterator::iterator_category> vector(InputIterator first, InputIterator last, const Allocator& = Allocator());
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// use of `iterator_category` makes sure InputIterator is (probably) an iterator, and not an `int` or
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// similar that should match a different overload (SFINAE).
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~vector();
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vector& operator=(const vector& x);
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vector& operator=(vector&& x) noexcept/*(allocator_traits<Allocator>::propagate_on_container_move_assignment::value || allocator_traits<Allocator>::is_always_equal::value)*/;
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template<class InputIterator, class IteratorCategory = typename InputIterator::iterator_category> void assign(InputIterator first, InputIterator last);
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// use of `iterator_category` makes sure InputIterator is (probably) an iterator, and not an `int` or
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// similar that should match a different overload (SFINAE).
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void assign(size_type n, const T& u);
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iterator begin() noexcept;
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const_iterator begin() const noexcept;
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iterator end() noexcept;
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const_iterator end() const noexcept;
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size_type size() const noexcept;
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reference operator[](size_type n);
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const_reference operator[](size_type n) const;
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const_reference at(size_type n) const;
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reference at(size_type n);
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reference front();
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const_reference front() const;
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reference back();
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const_reference back() const;
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T* data() noexcept;
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const T* data() const noexcept;
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void push_back(const T& x);
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void push_back(T&& x);
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iterator insert(const_iterator position, const T& x);
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iterator insert(const_iterator position, T&& x);
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iterator insert(const_iterator position, size_type n, const T& x);
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template<class InputIterator> iterator insert(const_iterator position, InputIterator first, InputIterator last);
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void swap(vector&) noexcept/*(allocator_traits<Allocator>::propagate_on_container_swap::value || allocator_traits<Allocator>::is_always_equal::value)*/;
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void clear() noexcept;
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};
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}
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// --- make_shared / make_unique ---
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namespace std {
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template<typename T>
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class shared_ptr {
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public:
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shared_ptr() noexcept;
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explicit shared_ptr(T*);
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template<class U> shared_ptr(const shared_ptr<U>&) noexcept;
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template<class U> shared_ptr(shared_ptr<U>&&) noexcept;
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shared_ptr<T>& operator=(const shared_ptr<T>&) noexcept;
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shared_ptr<T>& operator=(shared_ptr<T>&&) noexcept;
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T& operator*() const noexcept;
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T* operator->() const noexcept;
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T* get() const noexcept;
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};
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template<typename T>
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class unique_ptr {
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public:
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constexpr unique_ptr() noexcept;
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explicit unique_ptr(T*) noexcept;
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unique_ptr(unique_ptr<T>&&) noexcept;
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unique_ptr<T>& operator=(unique_ptr<T>&&) noexcept;
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T& operator*() const;
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T* operator->() const noexcept;
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T* get() const noexcept;
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};
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template<typename T, class... Args> unique_ptr<T> make_unique(Args&&...);
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template<typename T, class... Args> shared_ptr<T> make_shared(Args&&...);
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}
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// --- pair ---
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namespace std {
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template <class T1, class T2>
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struct pair {
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typedef T1 first_type;
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typedef T2 second_type;
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T1 first;
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T2 second;
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pair();
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pair(const T1& x, const T2& y) : first(x), second(y) {};
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template<class U, class V> pair(const pair<U, V> &p);
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void swap(pair& p) /*noexcept(...)*/;
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};
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template<class T1, class T2> constexpr pair<remove_reference_t<T1>, remove_reference_t<T2>> make_pair(T1&& x, T2&& y) {
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return pair<T1, T2>(std::forward<T1>(x), std::forward<T2>(y));
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}
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}
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// --- map ---
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namespace std {
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template<class T = void> struct less;
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template<class Key, class T, class Compare = less<Key>, class Allocator = allocator<pair<const Key, T>>>
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class map {
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public:
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using key_type = Key;
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using mapped_type = T;
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using value_type = pair<const Key, T>;
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using iterator = std::iterator<random_access_iterator_tag, value_type >;
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using const_iterator = std::iterator<random_access_iterator_tag, const value_type >;
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map() /*: map(Compare()) { }*/;
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map(const map& x);
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map(map&& x);
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~map();
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map& operator=(const map& x);
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map& operator=(map&& x) /*noexcept(allocator_traits<Allocator>::is_always_equal::value && is_nothrow_move_assignable_v<Compare>)*/;
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iterator begin() noexcept;
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const_iterator begin() const noexcept;
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iterator end() noexcept;
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const_iterator end() const noexcept;
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T& operator[](const key_type& x);
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T& operator[](key_type&& x);
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T& at(const key_type& x);
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const T& at(const key_type& x) const;
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template<class... Args> pair<iterator, bool> emplace(Args&&... args);
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template<class... Args> iterator emplace_hint(const_iterator position, Args&&... args);
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pair<iterator, bool> insert(const value_type& x);
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pair<iterator, bool> insert(value_type&& x);
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iterator insert(const_iterator position, const value_type& x);
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iterator insert(const_iterator position, value_type&& x);
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template<class... Args> pair<iterator, bool> try_emplace(const key_type& k, Args&&... args);
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template<class... Args> pair<iterator, bool> try_emplace(key_type&& k, Args&&... args);
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template<class... Args> iterator try_emplace(const_iterator hint, const key_type& k, Args&&... args);
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template<class... Args> iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args);
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template<class M> pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj);
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template<class M> pair<iterator, bool> insert_or_assign(key_type&& k, M&& obj);
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template<class M> iterator insert_or_assign(const_iterator hint, const key_type& k, M&& obj);
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template<class M> iterator insert_or_assign(const_iterator hint, key_type&& k, M&& obj);
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iterator erase(iterator position);
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iterator erase(const_iterator position);
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iterator erase(const_iterator first, const_iterator last);
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void swap(map&) /*noexcept(/*==allocator_traits<Allocator>::is_always_equal::value && is_nothrow_swappable_v<Compare>)*/;
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void clear() noexcept;
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template<class C2> void merge(map<Key, T, C2, Allocator>& source);
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template<class C2> void merge(map<Key, T, C2, Allocator>&& source);
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iterator find(const key_type& x);
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const_iterator find(const key_type& x) const;
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iterator lower_bound(const key_type& x);
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const_iterator lower_bound(const key_type& x) const;
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iterator upper_bound(const key_type& x);
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const_iterator upper_bound(const key_type& x) const;
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pair<iterator, iterator> equal_range(const key_type& x);
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pair<const_iterator, const_iterator> equal_range(const key_type& x) const;
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};
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template<class T> struct hash;
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template<class T = void> struct equal_to;
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template<class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, class Allocator = allocator<pair<const Key, T>>>
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class unordered_map {
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public:
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using key_type = Key;
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using mapped_type = T;
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using value_type = pair<const Key, T>;
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using iterator = std::iterator<random_access_iterator_tag, value_type >;
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using const_iterator = std::iterator<random_access_iterator_tag, const value_type >;
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unordered_map();
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unordered_map(const unordered_map&);
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unordered_map(unordered_map&&);
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~unordered_map();
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unordered_map& operator=(const unordered_map&);
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unordered_map& operator=(unordered_map&&) /*noexcept(allocator_traits<Allocator>::is_always_equal::value && is_nothrow_move_assignable_v<Hash> && is_nothrow_move_assignable_v<Pred>)*/;
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iterator begin() noexcept;
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const_iterator begin() const noexcept;
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iterator end() noexcept;
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const_iterator end() const noexcept;
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mapped_type& operator[](const key_type& k);
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mapped_type& operator[](key_type&& k);
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mapped_type& at(const key_type& k);
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const mapped_type& at(const key_type& k) const;
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template<class... Args> pair<iterator, bool> emplace(Args&&... args);
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template<class... Args> iterator emplace_hint(const_iterator position, Args&&... args);
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pair<iterator, bool> insert(const value_type& obj);
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pair<iterator, bool> insert(value_type&& obj);
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iterator insert(const_iterator hint, const value_type& obj);
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iterator insert(const_iterator hint, value_type&& obj);
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|
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template<class... Args> pair<iterator, bool> try_emplace(const key_type& k, Args&&... args);
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template<class... Args> pair<iterator, bool> try_emplace(key_type&& k, Args&&... args);
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template<class... Args> iterator try_emplace(const_iterator hint, const key_type& k, Args&&... args);
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template<class... Args> iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args);
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template<class M> pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj);
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template<class M> pair<iterator, bool> insert_or_assign(key_type&& k, M&& obj);
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template<class M> iterator insert_or_assign(const_iterator hint, const key_type& k, M&& obj);
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template<class M> iterator insert_or_assign(const_iterator hint, key_type&& k, M&& obj);
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|
|
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iterator erase(iterator position);
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iterator erase(const_iterator position);
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iterator erase(const_iterator first, const_iterator last);
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void swap(unordered_map&) /*noexcept(allocator_traits<Allocator>::is_always_equal::value && is_nothrow_swappable_v<Hash> && is_nothrow_swappable_v<Pred>)*/;
|
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void clear() noexcept;
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|
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template<class H2, class P2> void merge(unordered_map<Key, T, H2, P2, Allocator>& source);
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template<class H2, class P2> void merge(unordered_map<Key, T, H2, P2, Allocator>&& source);
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|
|
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iterator find(const key_type& k);
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const_iterator find(const key_type& k) const;
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|
|
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pair<iterator, iterator> equal_range(const key_type& k);
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pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
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};
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};
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// --- set ---
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namespace std {
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template<class Key, class Compare = less<Key>, class Allocator = allocator<Key>>
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class set {
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public:
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using key_type = Key;
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using value_type = Key;
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using size_type = size_t;
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using allocator_type = Allocator;
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using iterator = std::iterator<random_access_iterator_tag, value_type >;
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using const_iterator = std::iterator<random_access_iterator_tag, const value_type >;
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|
|
|
set() /*: set(Compare())*/ { }
|
|
set(const set& x);
|
|
set(set&& x);
|
|
template<class InputIterator> set(InputIterator first, InputIterator last/*, const Compare& comp = Compare(), const Allocator& = Allocator()*/);
|
|
~set();
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|
|
|
set& operator=(const set& x);
|
|
set& operator=(set&& x) noexcept/*(allocator_traits<Allocator>::is_always_equal::value && is_nothrow_move_assignable_v<Compare>)*/;
|
|
|
|
iterator begin() noexcept;
|
|
const_iterator begin() const noexcept;
|
|
iterator end() noexcept;
|
|
const_iterator end() const noexcept;
|
|
|
|
template<class... Args> pair<iterator, bool> emplace(Args&&... args);
|
|
template<class... Args> iterator emplace_hint(const_iterator position, Args&&... args);
|
|
pair<iterator,bool> insert(const value_type& x);
|
|
pair<iterator,bool> insert(value_type&& x);
|
|
iterator insert(const_iterator position, const value_type& x);
|
|
iterator insert(const_iterator position, value_type&& x);
|
|
template<class InputIterator> void insert(InputIterator first, InputIterator last);
|
|
|
|
iterator erase(iterator position);
|
|
iterator erase(const_iterator position);
|
|
iterator erase(const_iterator first, const_iterator last);
|
|
void swap(set&) noexcept/*(allocator_traits<Allocator>::is_always_equal::value && is_nothrow_swappable_v<Compare>)*/;
|
|
void clear() noexcept;
|
|
|
|
template<class C2> void merge(set<Key, C2, Allocator>& source);
|
|
template<class C2> void merge(set<Key, C2, Allocator>&& source);
|
|
|
|
iterator find(const key_type& x);
|
|
const_iterator find(const key_type& x) const;
|
|
|
|
iterator lower_bound(const key_type& x);
|
|
const_iterator lower_bound(const key_type& x) const;
|
|
iterator upper_bound(const key_type& x);
|
|
const_iterator upper_bound(const key_type& x) const;
|
|
pair<iterator, iterator> equal_range(const key_type& x);
|
|
pair<const_iterator, const_iterator> equal_range(const key_type& x) const;
|
|
};
|
|
|
|
template<class Key, class Hash = hash<Key>, class Pred = equal_to<Key>, class Allocator = allocator<Key>>
|
|
class unordered_set {
|
|
public:
|
|
using key_type = Key;
|
|
using value_type = Key;
|
|
using hasher = Hash;
|
|
using key_equal = Pred;
|
|
using allocator_type = Allocator;
|
|
using size_type = size_t;
|
|
using iterator = std::iterator<random_access_iterator_tag, value_type >;
|
|
using const_iterator = std::iterator<random_access_iterator_tag, const value_type >;
|
|
|
|
unordered_set();
|
|
unordered_set(const unordered_set&);
|
|
unordered_set(unordered_set&&);
|
|
template<class InputIterator> unordered_set(InputIterator f, InputIterator l, size_type n = 0/*, const hasher& hf = hasher(), const key_equal& eql = key_equal(), const allocator_type& a = allocator_type()*/);
|
|
~unordered_set();
|
|
|
|
unordered_set& operator=(const unordered_set&);
|
|
unordered_set& operator=(unordered_set&&) noexcept/*(allocator_traits<Allocator>::is_always_equal::value && is_nothrow_move_assignable_v<Hash> && is_nothrow_move_assignable_v<Pred>)*/;
|
|
|
|
iterator begin() noexcept;
|
|
const_iterator begin() const noexcept;
|
|
iterator end() noexcept;
|
|
const_iterator end() const noexcept;
|
|
|
|
template<class... Args> pair<iterator, bool> emplace(Args&&... args);
|
|
template<class... Args> iterator emplace_hint(const_iterator position, Args&&... args);
|
|
pair<iterator, bool> insert(const value_type& obj);
|
|
pair<iterator, bool> insert(value_type&& obj);
|
|
iterator insert(const_iterator hint, const value_type& obj);
|
|
iterator insert(const_iterator hint, value_type&& obj);
|
|
template<class InputIterator> void insert(InputIterator first, InputIterator last);
|
|
|
|
iterator erase(iterator position);
|
|
iterator erase(const_iterator position);
|
|
iterator erase(const_iterator first, const_iterator last);
|
|
void swap(unordered_set&) noexcept/*(allocator_traits<Allocator>::is_always_equal::value && is_nothrow_swappable_v<Hash> && is_nothrow_swappable_v<Pred>)*/;
|
|
void clear() noexcept;
|
|
|
|
template<class H2, class P2> void merge(unordered_set<Key, H2, P2, Allocator>& source);
|
|
template<class H2, class P2> void merge(unordered_set<Key, H2, P2, Allocator>&& source);
|
|
|
|
iterator find(const key_type& k);
|
|
const_iterator find(const key_type& k) const;
|
|
pair<iterator, iterator> equal_range(const key_type& k);
|
|
pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
|
|
};
|
|
}
|