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    std::fill_n

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    C++
     
    Algorithm Bibliothek
    Funktionen
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    Functions
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    Nicht-modifizierende Sequenz Operationen
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    Non-modifying sequence operations
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    Modifizierende Sequenz Operationen
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    Modifying sequence operations
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    Partitionierungsoperationen
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    Partitioning operations
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    Sortierung Operationen (auf sortierten Bereiche)
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    Sorting operations (on sorted ranges)
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    Binary Suchaktionen (auf sortierten Bereiche)
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    Binary search operations (on sorted ranges)
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    Set-Operationen (auf sortierten Bereiche)
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    Set operations (on sorted ranges)
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    Heap-Operationen
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    Heap operations
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    Minimum / Maximum Operationen
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    Minimum/maximum operations
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    Numerische Operationen
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    Numeric operations
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    C-Bibliothek
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    C library
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    definiert in Header <algorithm>
    template<class OutputIt, class Size, class T >

    void fill_n( OutputIt first, Size count, const T& value );
    template<class OutputIt, class Size, class T >

    OutputIt fill_n( OutputIt first, Size count, const T& value );
    		(bis C + +11)

    (seit C++11)
    Weist den angegebenen Wert value den ersten count Elemente im Bereich beginnend bei first wenn count>0. Tut nichts anderes .
    Original:
    Assigns the given value value to the first count elements in the range beginning at first if count>0. Does nothing otherwise.
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    Inhaltsverzeichnis

    [Bearbeiten]Parameter

    first -
    der Beginn des Bereichs von Elementen zu modifizieren
    Original:
    the beginning of the range of elements to modify
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    count -
    Anzahl von Elementen zu modifizieren
    Original:
    number of elements to modify
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    value -
    der Wert zugewiesen werden
    Original:
    the value to be assigned
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    Type requirements
    -
    OutputIt must meet the requirements of OutputIterator.

    [Bearbeiten]Rückgabewert

    (None) (bis C + +11)
    Original:
    (none) (bis C + +11)
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    Iterator ein nach dem letzten Element, wenn count>0, first anderweitig zugeordnet. (seit C++11)
    Original:
    Iterator one past the last element assigned if count>0, first otherwise. (seit C++11)
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    [Bearbeiten]Komplexität

    Genau count Zuweisungen für count>0 .
    Original:
    Exactly count assignments, for count>0.
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    [Bearbeiten]Mögliche Implementierung

    template<class OutputIt, class Size, class T> OutputIt fill_n(OutputIt first, Size count, const T& value){for(Size i =0; i < count; i++){*first++= value;}return first;}

    [Bearbeiten]Beispiel

    Der folgende Code verwendet fill_n() bis -1 zuweisen der ersten Hälfte eines Vektors von Ganzzahlen:
    Original:
    The following code uses fill_n() to assign -1 to the first half of a vector of integers:
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    #include <algorithm>#include <vector>#include <iostream>   int main(){std::vector<int> v1{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};   std::fill_n(v1.begin(), 5, -1);   for(vector<int>::iterator it = v1.begin(); it != v1.end();++it){std::cout<<*it <<" ";}std::cout<<"\n";}

    Output: 

    -1 -1 -1 -1 -1 5 6 7 8 9

    [Bearbeiten]Siehe auch

    weist eine Reihe von Elementen ein bestimmter Wert
    Original:
    assigns a range of elements a certain value
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    (Funktions-Template)[edit]
    Von „https://de.cppreference.com/mwiki/index.php?title=cpp/algorithm/fill_n&oldid=25908“
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