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std::sort

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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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is_sorted(C++11)
is_sorted_until(C++11)
sort
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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Defined in header <algorithm>
template< class RandomIt >
void sort( RandomIt first, RandomIt last );
(1)
template< class RandomIt, class Compare >
void sort( RandomIt first, RandomIt last, Compare comp );
(2)
Sortiert die Elemente im Bereich [first, last) in aufsteigender Reihenfolge. Die Reihenfolge der gleiche Elemente ist nicht garantiert, bewahrt werden. Die erste Version verwendet operator< um die Elemente zu vergleichen, verwendet die zweite Version des gegebenen Vergleichsfunktion comp .
Original:
Sorts the elements in the range [first, last) in ascending order. The order of equal elements is not guaranteed to be preserved. The first version uses operator< to compare the elements, the second version uses the given comparison function comp.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

first, last -
der Bereich von Elementen zu sortieren
Original:
the range of elements to sort
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comp - comparison function which returns ​true if the first argument is less than the second.

The signature of the comparison function should be equivalent to the following:

 bool cmp(const Type1 &a, const Type2 &b);

The signature does not need to have const &, but the function must not modify the objects passed to it.
The types Type1 and Type2 must be such that an object of type RandomIt can be dereferenced and then implicitly converted to both of them. ​

Type requirements
-
RandomIt must meet the requirements of ValueSwappable and RandomAccessIterator.
-
The type of dereferenced RandomIt must meet the requirements of MoveAssignable and MoveConstructible.

[Bearbeiten] Rückgabewert

(None)
Original:
(none)
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[Bearbeiten] Komplexität

O(N·log(N)), wo N = std::distance(first, last) Anwendungen cmp .
Original:
O(N·log(N)), where N = std::distance(first, last) applications of cmp.
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[Bearbeiten] Beispiel

#include <algorithm>
#include <functional>
#include <array>
#include <iostream>
 
int main()
{
    std::array<int, 10> s{5, 7, 4, 2, 8, 6, 1, 9, 0, 3};
 
    std::sort(s.begin(), s.end());
    for (int a : s) {
        std::cout << a << " ";
    } 
    std::cout << '\n';
 
    std::sort(s.begin(), s.end(), std::greater<int>());
    for (int a : s) {
        std::cout << a << " ";
    } 
    std::cout << '\n';
}

Output:

0 1 2 3 4 5 6 7 8 9
9 8 7 6 5 4 3 2 1 0

[Bearbeiten] Siehe auch

sortiert die ersten N Elementen einer Palette
Original:
sorts the first N elements of a range
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(Funktions-Template) [edit]
Arten eine Reihe von Elementen, während Aufrechterhaltung der Ordnung zwischen gleichen Elementen
Original:
sorts a range of elements while preserving order between equal elements
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(Funktions-Template) [edit]