Namespace
Varianti

std::unordered_multimap::count

Da cppreference.com.

 
 
 
std :: unordered_multimap
Membri funzioni
Original:
Member functions
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unordered_multimap::unordered_multimap
unordered_multimap::~unordered_multimap
unordered_multimap::operator=
unordered_multimap::get_allocator
Iteratori
Original:
Iterators
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unordered_multimap::begin
unordered_multimap::cbegin
unordered_multimap::end
unordered_multimap::cend
Capacità
Original:
Capacity
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unordered_multimap::erase
unordered_multimap::size
unordered_multimap::max_size
Modificatori
Original:
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
Original:
Lookup
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unordered_multimap::count
unordered_multimap::find
unordered_multimap::equal_range
Benna interfaccia
Original:
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
Politica di Hash
Original:
Hash policy
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unordered_multimap::load_factor
unordered_multimap::max_load_factor
unordered_multimap::rehash
unordered_multimap::reserve
Osservatori
Original:
Observers
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unordered_multimap::hash_function
unordered_multimap::key_eq
 
size_type count( const Key& key ) const;
Restituisce il numero di elementi con key chiave.
Original:
Returns the number of elements with key key.
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Indice

[modifica] Parametri

key -
valore chiave degli elementi da contare
Original:
key value of the elements to count
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[modifica] Valore di ritorno

Numero di elementi con key chiave
Original:
Number of elements with key key
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[modifica] Complessità

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

[modifica] Vedi anche

trova elemento con chiave specifica
Original:
finds element with specific key
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(metodo pubblico) [edit]
torna gamma di elementi che corrispondono un tasto specifico
Original:
returns range of elements matching a specific key
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(metodo pubblico) [edit]