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std::map::equal_range

Da cppreference.com.
< cpp‎ | container‎ | map

 
 
 
std::map
Membri funzioni
Original:
Member functions
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map::map
map::~map
map::operator=
map::get_allocator
Elemento accesso
Original:
Element access
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map::at
map::operator[]
Iteratori
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)
Capacità
Original:
Capacity
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map::empty
map::size
map::max_size
Modificatori
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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
Osservatori
Original:
Observers
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map::key_comp
map::value_comp
 
std::pair<iterator,iterator> equal_range( const Key& key );
std::pair<const_iterator,const_iterator> equal_range( const Key& key ) const;
Restituisce un intervallo contenente tutti gli elementi con key chiave nel contenitore. The range is defined by two iterators, one pointing to the first element that is not less than key and another pointing to the first element greater than key. The first iterator may be alternatively obtained with lower_bound(), the second - with upper_bound().
Original:
Returns a range containing all elements with key key in the container. The range is defined by two iterators, one pointing to the first element that is not less than key and another pointing to the first element greater than key. The first iterator may be alternatively obtained with lower_bound(), the second - with upper_bound().
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Indice

[modifica] Parametri

key -
valore chiave per confrontare gli elementi
Original:
key value to compare the elements to
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[modifica] Valore di ritorno

std::pair containing a pair of iterators defining the wanted range: the first pointing to the first element that is not less than key and the second pointing to the first element greater than key.

If there are no elements not less than key, past-the-end (see end()) iterator is returned as the first element. Similarly if there are no elements greater than key, past-the-end iterator is returned as the second element.

[modifica] Complessità

Logarithmic in the size of the container.

[modifica] Vedi anche

trova elemento con chiave specifica
Original:
finds element with specific key
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(membro pubblico funzione) [edit]
ritorna un iteratore al primo elemento' maggiore di un certo valore
Original:
returns an iterator to the first element greater than a certain value
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(membro pubblico funzione) [edit]
restituisce un iteratore al primo elemento' non inferiore al valore dato
Original:
returns an iterator to the first element not less than the given value
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(membro pubblico funzione) [edit]