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std::multimap::count(3) C++ Standard Libary std::multimap::count(3) NAME std::multimap::count - std::multimap::count Synopsis size_type count( const Key& key ) const; (1) template< class K > (2) (since C++14) size_type count( const K& x ) const; Returns the number of elements with key that compares equivalent to the specified argument. 1) Returns the number of elements with key key. 2) Returns the number of elements with key that compares equivalent to the value x. This overload participates in overload resolution only if the quali- fied-id Compare::is_transparent is valid and denotes a type. They allow calling this function without constructing an instance of Key. Parameters key - key value of the elements to count x - alternative value to compare to the keys Return value Number of elements with key that compares equivalent to key or x. Complexity Logarithmic in the size of the container plus linear in the number of the elements found. Example See also find finds element with specific key (public member function) equal_range returns range of elements matching a specific key (public member function) http://cppreference.com 2022.07.31 std::multimap::count(3)
NAME | Synopsis | Parameters | Return value | Complexity | Example | See also
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