Namespace
Varianti

std::fill

Da cppreference.com.
< cpp‎ | algorithm

 
 
Algoritmo libreria
Funzioni
Original:
Functions
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Non modifica le operazioni di sequenza
Original:
Non-modifying sequence operations
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Modifica delle operazioni di sequenza
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Modifying sequence operations
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Partizionamento operazioni
Original:
Partitioning operations
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Ordinamento delle operazioni (su intervalli ordinati)
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Sorting operations (on sorted ranges)
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Binarie (le operazioni di ricerca sui campi ordinati)
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Binary search operations (on sorted ranges)
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Impostare le operazioni (su intervalli ordinati)
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Set operations (on sorted ranges)
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Heap operazioni
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Heap operations
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Minimo / massimo le operazioni
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Minimum/maximum operations
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Operazioni numeriche
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Numeric operations
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Libreria C
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C library
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Defined in header <algorithm>
template< class ForwardIt, class T >
void fill( ForwardIt first, ForwardIt last, const T& value );
Assegna il value data agli elementi della gamma [first, last).
Original:
Assigns the given value to the elements in the range [first, last).
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Indice

[modifica] Parametri

first, last -
l'intervallo di elementi da modificare
Original:
the range of elements to modify
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value -
il valore da assegnare
Original:
the value to be assigned
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Type requirements
-
ForwardIt must meet the requirements of ForwardIterator.

[modifica] Valore di ritorno

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

Esattamente last - first incarichi.
Original:
Exactly last - first assignments.
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[modifica] Possibile implementazione

template< class ForwardIt, class T >
void fill(ForwardIt first, ForwardIt last, const T& value)
{
    for (; first != last; ++first) {
        *first = value;
    }
}

[modifica] Esempio

Il codice seguente utilizza fill() per impostare tutti gli elementi di un vettore di interi a -1:
Original:
The following code uses fill() to set all of the elements of a vector of integers to -1:
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#include <algorithm>
#include <vector>
#include <iostream>
 
int main()
{
    int data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }
    std::vector<int> v1(data, data+10);
 
    std::fill(v1.begin(), v1.end(), -1);
 
    for (vector<int>::iterator it = v1.begin(); it != v1.end(); ++it) {
        std::cout << *it << " ";
    }
    std::cout << "\n";
}

Output:

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1

[modifica] Vedi anche

assegna un valore a un numero di elementi
Original:
assigns a value to a number of elements
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(funzione di modello) [edit]
salva il risultato di una funzione in un intervallo
Original:
saves the result of a function in a range
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(funzione di modello) [edit]
applica una funzione di una serie di elementi
Original:
applies a function to a range of elements
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(funzione di modello) [edit]