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std::rotate_copy

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Sorting operations (on sorted ranges)
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Defined in header <algorithm>
template< class ForwardIt, class OutputIt >

OutputIt rotate_copy( ForwardIt first, ForwardIt n_first,

                      ForwardIt last, OutputIt d_first );
Kopiert die Elemente aus dem Bereich [first, last), in einen anderen Bereich beginnend bei d_first in einer solchen Weise, dass das Element n_first das erste Element der neuen Reihe wird und n_first - 1 wird das letzte Element .
Original:
Copies the elements from the range [first, last), to another range beginning at d_first in such a way, that the element n_first becomes the first element of the new range and n_first - 1 becomes the last element.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

first, last -
der Bereich der zu kopierenden Elemente
Original:
the range of elements to copy
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n_first -
das Element, um zum Beginn des neuen Bereichs zu bewegen
Original:
the element to move to the beginning of the new range
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d_first -
Beginn des Zielbereichs
Original:
beginning of the destination range
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Type requirements
-
ForwardIt must meet the requirements of ForwardIterator.
-
OutputIt must meet the requirements of OutputIterator.

[Bearbeiten] Rückgabewert

Output Iterator auf das Element nach dem letzten Element kopiert .
Original:
Output iterator to the element past the last element copied.
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[Bearbeiten] Mögliche Implementierung

template<class ForwardIt, class OutputIt>
OutputIt rotate_copy(ForwardIt first, ForwardIt n_first,
                           ForwardIt last, OutputIt d_first)
{
    d_first = std::copy(n_first, last, d_first);
    return std::copy(first, n_first, d_first);
}

[Bearbeiten] Beispiel

[Bearbeiten] Komplexität

linear im Abstand first und last
Original:
linear in the distance between first and last
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[Bearbeiten] Siehe auch

dreht die Reihenfolge der Elemente in einem Bereich
Original:
rotates the order of elements in a range
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(Funktions-Template) [edit]