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    std::map::count

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    <metanoindex/>

     
    C++
     
    Container-Bibliothek
     
    std::map
    Member-Funktionen
    Original:
    Member functions
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    map::map
    map::~map
    map::operator=
    map::get_allocator
    Elementzugriff zerstört
    Original:
    Element access
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    map::at
    map::operator[]
    Iteratoren
    Original:
    Iterators
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    map::begin
    map::cbegin
    (C++11)
    map::end
    map::cend
    (C++11)
    map::rbegin
    map::crbegin
    (C++11)
    map::rend
    map::crend
    (C++11)
    Kapazität
    Original:
    Capacity
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    map::empty
    map::size
    map::max_size
    Modifiers
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    Modifiers
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    map::clear
    map::insert
    map::emplace(C++11)
    map::emplace_hint(C++11)
    map::erase
    map::swap
    Lookup
    Original:
    Lookup
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    map::count
    map::find
    map::equal_range
    map::lower_bound
    map::upper_bound
    Beobachter
    Original:
    Observers
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    map::key_comp
    map::value_comp
     
    <tbody> </tbody>
    size_type count( const Key& key ) const;
    Gibt die Anzahl der Elemente mit den wichtigsten key .
    Original:
    Returns the number of elements with key key.
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    Parameter

    key -
    Schlüsselwert der Elemente zu zählen
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    key value of the elements to count
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    Rückgabewert

    Anzahl der Elemente mit den wichtigsten key
    Original:
    Number of elements with key key
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    Komplexität

    Logarithmic in the size of the container plus linear in the number of the elements found.

    Siehe auch
    findet Element mit bestimmten Schlüssel
    Original:
    finds element with specific key
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    (öffentliche Elementfunktion) [edit]
    Bandbreite der Rendite von Elementen übereinstimmenden eine bestimmte Taste
    Original:
    returns range of elements matching a specific key
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    (öffentliche Elementfunktion) [edit]