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std::list::sort

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std::list
Member-Funktionen
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Member functions
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list::list
list::~list
list::operator=
list::assign
list::get_allocator
Elementzugriff zerstört
Original:
Element access
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list::front
list::back
Iteratoren
Original:
Iterators
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list::begin
list::cbegin

(C++11)
list::end
list::cend

(C++11)
list::rbegin
list::crbegin

(C++11)
list::rend
list::crend

(C++11)
Kapazität
Original:
Capacity
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list::empty
list::size
list::max_size
Modifiers
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Modifiers
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list::clear
list::insert
list::emplace(C++11)
list::erase
list::push_front
list::emplace_front(C++11)
list::pop_front
list::push_back
list::emplace_back(C++11)
list::pop_back
list::resize
list::swap
Operations
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Operations
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list::merge
list::splice
list::remove
list::remove_if
list::reverse
list::unique
list::sort
 
void sort();
(1)
template<class Compare >
void sort( Compare comp );
(2)
Sortiert die Elemente in aufsteigender Reihenfolge. Die Reihenfolge der gleiche Elemente garantiert erhalten. Die erste Version verwendet operator< um die Elemente zu vergleichen, verwendet die zweite Version des gegebenen Vergleichsfunktion comp. Die Reihenfolge der äquivalente Elemente erhalten bleibt .
Original:
Sorts the elements in ascending order. The order of equal elements is guaranteed to be preserved. The first version uses operator< to compare the elements, the second version uses the given comparison function comp. The ordering of equivalent elements is preserved.
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Inhaltsverzeichnis

[Bearbeiten]Parameter

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 list<T,Allocator>::const_iterator can be dereferenced and then implicitly converted to both of them. ​

[Bearbeiten]Rückgabewert

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

#include <iostream>#include <functional>#include <list>   std::ostream& operator<<(std::ostream& ostr, conststd::list<int>& list){for(auto&i : list){ ostr <<" "<< i;}return ostr;}   int main(){std::list<int> list ={8,7,5,9,0,1,3,2,6,4};   std::cout<<"before: "<< list <<"\n"; list.sort();std::cout<<"ascending: "<< list <<"\n"; list.sort(std::greater<int>());std::cout<<"descending: "<< list <<"\n";}

Output:

before: 8 7 5 9 0 1 3 2 6 4 ascending: 0 1 2 3 4 5 6 7 8 9 descending: 9 8 7 6 5 4 3 2 1 0

[Bearbeiten]Komplexität

N · log(N) Vergleiche, wo N ist die Größe des Behälters .
Original:
N · log(N) comparisons, where N is the size of the container.
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