std::map::insert - cppreference.com

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`std::pair<iterator,bool> insert( const value_type& value );`	(1)

`template <class P> std::pair<iterator,bool> insert( P&& value );`	(2)	(dal C++11)

`iterator insert( iterator hint, const value_type& value ); iterator insert( const_iterator hint, const value_type& value );`	(3)	(fino al c++11) (dal C++11)

`template <class P> iterator insert( const_iterator hint, P&& value );`	(4)	(dal C++11)

`template< class InputIt > void insert( InputIt first, InputIt last );`	(5)

`void insert( std::initializer_list<value_type> ilist );`	(6)	(dal C++11)

Inserts element(s) to the container, if the container doesn't already contain an element with equivalent key.

1-2)

Inserti value.

Original:

inserts value.

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3-4) inserts value in the position as close as possible, just prior(dal C++11), to hint.

inserisce elementi di [first, last) gamma.

Original:

inserts elements from range [first, last).

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inserisce elementi di lista di inizializzazione ilist.

Original:

inserts elements from initializer list ilist.

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No iterators or references are invalidated.

Parametri

hint	-	iteratore, usato come un suggerimento di dove inserire il contenuto Original: iterator, used as a suggestion as to where to insert the content The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
value	-	elemento di valore da inserire Original: element value to insert The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
first, last	-	intervallo di elementi da inserire Original: range of elements to insert The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ilist	-	inizializzatore lista per inserire i valori da Original: initializer list to insert the values from The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Type requirements
-`InputIt` must meet the requirements of `InputIterator`.

Valore di ritorno

1-2) returns a pair consisting of an iterator to the inserted element (or to the element that prevented the insertion) and a bool denoting whether the insertion took place.

3-4) returns an iterator to the inserted element, or to the element that prevented the insertion.

5-6)

nessuno.

Original:

none.

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Complessità

1-2) Logarithmic in the size of the container, O(log(size())).

3-4) Amortized constant if the insertion happens in the position just after(fino al c++11)/before(dal C++11) the hint, logarithmic in the size of the container otherwise.

5-6) O(N*log(size() + N)), where N is the number of elements to insert.

Vedi anche


	constructs element in-place (metodo pubblico) [modifica]

	costruisce elementi in-place con un suggerimento Original: constructs elements in-place using a hint The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico) [modifica]