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    std::unordered_multimap::count

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    C++
     
    Bibliothèque de conteneurs
     
    std :: unordered_multimap
    Les fonctions membres
    Original:
    Member functions
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    unordered_multimap::unordered_multimap
    unordered_multimap::~unordered_multimap
    unordered_multimap::operator=
    unordered_multimap::get_allocator
    Les itérateurs
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    Iterators
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    unordered_multimap::begin
    unordered_multimap::cbegin
    unordered_multimap::end
    unordered_multimap::cend
    Capacité
    Original:
    Capacity
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    unordered_multimap::erase
    unordered_multimap::size
    unordered_multimap::max_size
    Modificateurs
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    Modifiers
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    unordered_multimap::clear
    unordered_multimap::insert
    unordered_multimap::emplace
    unordered_multimap::emplace_hint
    unordered_multimap::erase
    unordered_multimap::swap
    Lookup
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    Lookup
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    unordered_multimap::count
    unordered_multimap::find
    unordered_multimap::equal_range
    Interface seau
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    Bucket interface
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    unordered_multimap::begin2
    unordered_multimap::end2
    unordered_multimap::bucket_count
    unordered_multimap::max_bucket_count
    unordered_multimap::bucket_size
    unordered_multimap::bucket
    Politique de hachage
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    Hash policy
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    unordered_multimap::load_factor
    unordered_multimap::max_load_factor
    unordered_multimap::rehash
    unordered_multimap::reserve
    Des observateurs
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    Observers
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    unordered_multimap::hash_function
    unordered_multimap::key_eq
     
    <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

    Amortized constant on average, worst case linear in the size of the container.

    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]