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    std::set::count

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    C++
     
    Bibliothèque de conteneurs
     
    std::set
    Les fonctions membres
    Original:
    Member functions
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    set::set
    set::~set
    set::operator=
    set::get_allocator
    Les itérateurs
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    Iterators
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    set::begin
    set::cbegin
    (C++11)
    set::end
    set::cend
    (C++11)
    set::rbegin
    set::crbegin
    (C++11)
    set::rend
    set::crend
    (C++11)
    Capacité
    Original:
    Capacity
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    set::empty
    set::size
    set::max_size
    Modificateurs
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    Modifiers
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    set::clear
    set::insert
    set::emplace (C++11)
    set::emplace_hint (C++11)
    set::erase
    set::swap
    Lookup
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    Lookup
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    set::count
    set::find
    set::equal_range
    set::lower_bound
    set::upper_bound
    Des observateurs
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    Observers
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    set::key_comp
    set::value_comp
     
    <tbody> </tbody>
    size_type count( const Key& key ) const;

    Retourne le nombre d'éléments avec la clé key.

    Paramètres

    key - valeur de la clé des éléments à compter

    Valeur de retour

    Nombre d'éléments avec la clé key

    Complexité

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

    Voir aussi
    trouve l'élément avec la clé spécifique
    Original:
    finds element with specific key
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    (fonction membre publique) [edit]
    rendements varient d'éléments correspondant à une clé spécifique
    Original:
    returns range of elements matching a specific key
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    (fonction membre publique) [edit]