std::reverse
Da cppreference.com
 |
This page has been machine-translated from the English version of the wiki using Google Translate.
The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
| Definido no cabe��alho <algorithm>
|
||
| template< class BidirIt > void reverse( BidirIt first, BidirIt last ); |
||
Inverte a ordem dos elementos no
[first, last) gama.Original:
Reverses the order of the elements in the range
[first, last).The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Índice |
[editar] Parâmetros
| first, last | - | o intervalo de elementos de reverter
Original: the range of elements to reverse The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| Type requirements | ||
-BidirIt must meet the requirements of BidirectionalIterator.
| ||
-The type of dereferenced BidirIt must meet the requirements of Swappable.
| ||
[editar] Valor de retorno
(Nenhum)
Original:
(none)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[editar] Possível implementação
template<class BidirIt> void reverse(BidirIt first, BidirIt last) { while ((first != last) && (first != --last)) { std::swap(*first++, *last); } } |
[editar] Exemplo
#include <vector> #include <iostream> #include <algorithm> int main(int argc, char** argv) { std::vector<int> v({1,2,3}); std::reverse(std::begin(v), std::end(v)); std::cout << v[0] << v[1] << v[2] << '\n'; int a[] = {4, 5, 6, 7}; std::reverse(&a[0], &a[4]); std::cout << a[0] << a[1] << a[2] << a[3] << '\n'; }
Saída:
321 7654
[editar] Complexidade
linear, em que a distância entre
first e lastOriginal:
linear in the distance between
first and lastThe text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[editar] Veja também
| cria uma cópia de um intervalo que é invertida Original: creates a copy of a range that is reversed The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (modelo de função) | |
