std::forward_list::sort
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<metanoindex/>
<tbody> </tbody> void sort(); |
(1) | (desde C++11) |
template< class Compare > void sort( Compare comp ); |
(2) | (desde C++11) |
Classifica os elementos em ordem crescente. A ordem dos elementos iguais é garantido para ser preservado. A primeira versão utiliza
operator< para comparar os elementos, a segunda versão utiliza o comp dada função de comparação. A ordenação dos elementos equivalentes é preservada.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.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Parâmetros
| 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:
The signature does not need to have |
Valor de retorno
(Nenhum)
Original:
(none)
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Exemplo
#include <iostream>
#include <functional>
#include <forward_list>
std::ostream& operator<<(std::ostream& ostr, const std::forward_list<int>& list)
{
for (auto &i : list) {
ostr << " " << i;
}
return ostr;
}
int main()
{
std::forward_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";
}
Saída:
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
Complexidade
N · log(N) comparações, onde
N é o tamanho do recipiente.Original:
N · log(N) comparisons, where
N is the size of the container.The text has been machine-translated via Google Translate.
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