std::reverse_copy
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| Definido no cabeçalho <algorithm>
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| template< class BidirIt, class OutputIt > OutputIt reverse_copy( BidirIt first, BidirIt last, OutputIt d_first ); |
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copia os elementos do
[first, last) gama, a outra faixa no início d_first de tal forma, que os elementos da nova gama estão em.. ordem inversa. Original:
Copies the elements from the range
[first, last), to another range beginning at d_first in such a way, that the elements in the new range are in reverse order. 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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Índice |
[editar] Parâmetros
| first, last | - | a gama de elementos para copiar
Original: the range of elements to copy The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| d_first | - | o início do intervalo de destino
Original: the beginning of the destination range 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.
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-OutputIt must meet the requirements of OutputIterator.
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[editar] Valor de retorno
iterador de saída para o elemento passado o último elemento copiado.
Original:
Output iterator to the element past the last element copied.
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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[editar] Possível implementação
template<class BidirIt, class OutputIt> OutputIt reverse_copy(BidirIt first, BidirIt last, OutputIt d_first) { while (first != last) { *(d_first++) = *(--last); } return d_first; } |
[editar] Exemplo
#include <vector> #include <iostream> #include <algorithm> int main() { std::vector<int> v({1,2,3}); std::for_each(std::begin(v), std::end(v), [&](int value){ std::cout << value << " "; }); std::cout << std::endl; std::vector<int> destiny(3); std::reverse_copy(std::begin(v), std::end(v), std::begin(destiny)); std::for_each(std::begin(destiny), std::end(destiny), [&](int value){ std::cout << value << " "; }); std::cout << std::endl; }
Saída:
1 2 3 3 2 1
[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.
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[editar] Veja também
| inverte os elementos de ordem em um intervalo Original: reverses the order elements in a range 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) | |
