Namespace
Varianti

std::unordered_set::rehash

Da cppreference.com.

 
 
 
std :: unordered_set
Membri funzioni
Original:
Member functions
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unordered_set::unordered_set
unordered_set::~unordered_set
unordered_set::operator=
unordered_set::get_allocator
Iteratori
Original:
Iterators
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unordered_set::begin
unordered_set::cbegin
unordered_set::end
unordered_set::cend
Capacità
Original:
Capacity
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unordered_set::erase
unordered_set::size
unordered_set::max_size
Modificatori
Original:
Modifiers
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unordered_set::clear
unordered_set::insert
unordered_set::emplace
unordered_set::emplace_hint
unordered_set::erase
unordered_set::swap
Lookup
Original:
Lookup
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unordered_set::count
unordered_set::find
unordered_set::equal_range
Benna interfaccia
Original:
Bucket interface
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unordered_set::begin2
unordered_set::end2
unordered_set::bucket_count
unordered_set::max_bucket_count
unordered_set::bucket_size
unordered_set::bucket
Politica di Hash
Original:
Hash policy
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unordered_set::load_factor
unordered_set::max_load_factor
unordered_set::rehash
unordered_set::reserve
Osservatori
Original:
Observers
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unordered_set::hash_function
unordered_set::key_eq
 
void rehash( size_type count );
(dal C++11)

Sets the number of buckets to count and rehashes the container, i.e. puts the elements into appropriate buckets considering that total number of buckets has changed. If the new number of buckets makes load factor more than maximum load factor (count < size() / max_load_factor()), then the new number of buckets is at least size() / max_load_factor().

Indice

[modifica] Parametri

count - new number of buckets

[modifica] Valore di ritorno

(Nessuno)
Original:
(none)
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[modifica] Complessità

caso medio lineare nella dimensione del, quadratica caso peggiore contenitore.
Original:
average case linear in the size of the container, worst case quadratic.
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[modifica] Vedi anche

riserva spazio per almeno il numero specificato di elements.
This rigenera la tabella di hash .
Original:
reserves space for at least the specified number of elements.
This regenerates the hash table.
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(membro pubblico funzione) [edit]