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std::multiset::size

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< cpp‎ | container‎ | multiset

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C++
 
Contenitori libreria
 
std::multiset
Membri funzioni
Original:
Member functions
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multiset::multiset
multiset::~multiset
multiset::operator=
multiset::get_allocator
Iteratori
Original:
Iterators
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multiset::begin
multiset::cbegin
(C++11)
multiset::end
multiset::cend
(C++11)
multiset::rbegin
multiset::crbegin
(C++11)
multiset::rend
multiset::crend
(C++11)
Capacità
Original:
Capacity
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multiset::empty
multiset::size
multiset::max_size
Modificatori
Original:
Modifiers
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multiset::clear
multiset::insert
multiset::emplace(C++11)
multiset::emplace_hint(C++11)
multiset::erase
multiset::swap
Lookup
Original:
Lookup
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multiset::count
multiset::find
multiset::equal_range
multiset::lower_bound
multiset::upper_bound
Osservatori
Original:
Observers
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multiset::key_comp
multiset::value_comp
 
size_type size() const;

Returns the number of elements in the container, i.e. std::distance(begin(), end()).

Indice

[modifica] Parametri

(Nessuno)
Original:
(none)
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[modifica] Valore di ritorno

il numero di elementi nel contenitore
Original:
the number of elements in the container
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[modifica] Eccezioni

noexcept specification:  
noexcept
  (dal C++11)

[modifica] Complessità

Constant

[modifica] Esempio

The following code uses size to display the number of elements in a std::multiset<int>: 

#include <multiset>
#include <iostream>
 
int main()
{
    std::multiset<int> nums {1, 3, 5, 7};
 
    std::cout << "nums contains " << nums.size() << " elements.\n";
}

Output: 

nums contains 4 elements.

[modifica] Vedi anche
verifica se il contenitore è vuoto
Original:
checks whether the container is empty
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(metodo pubblico) [modifica]
restituisce il massimo numero possibile di elementi
Original:
returns the maximum possible number of elements
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(metodo pubblico) [modifica]
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