std::stable_partition
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Defined in header <algorithm>
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template< class BidirIt, class UnaryPredicate > BidirIt stable_partition( BidirIt first, BidirIt last, UnaryPredicate p ); |
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Reordena los elementos de la
[first, last)
rango de tal manera que todos los elementos para los que el predicado p
vuelve true preceder a los elementos para los que predicado p
vuelve false. Orden relativo de los elementos se conserva . Original:
Reorders the elements in the range
[first, last)
in such a way that all elements for which the predicate p
returns true precede the elements for which predicate p
returns false. Relative order of the 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.
You can help to correct and verify the translation. Click here for instructions.
Contenido |
[editar] Parámetros
first, last | - | la gama de elementos a ordenar
Original: the range of elements to reorder The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
p | - | unary predicate which returns true si el elemento debe pedirse antes de otros elementos . Original: if the element should be ordered before other elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. The signature of the predicate function should be equivalent to the following: bool pred(const Type &a); The signature does not need to have const &, but the function must not modify the objects passed to it. |
Type requirements | ||
-BidirIt must meet the requirements of ValueSwappable and BidirectionalIterator .
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-The type of dereferenced BidirIt must meet the requirements of MoveAssignable and MoveConstructible .
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[editar] Valor de retorno
Iterador al primer elemento del segundo grupo
Original:
Iterator to the first element of the second group
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] Complejidad
Exactamente
last-first
aplicaciones del predicado y en la mayoría de los swaps (last-first)*log(last-first)
si no hay suficiente memoria o el número lineal de las permutas si hay suficiente memoria disponible .Original:
Exactly
last-first
applications of the predicate and at most (last-first)*log(last-first)
swaps if there is insufficient memory or linear number of swaps if sufficient memory is available.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] Ejemplo
#include <iostream> #include <algorithm> int main() { std::vector<int> v{0, 0, 3, 0, 2, 4, 5, 0, 7}; std::stable_partition(v.begin(), v.end(), [](int n){return n>0;}); for (int n : v) { std::cout << n << ' '; } std::cout << '\n'; }
Output:
3 2 4 5 7 0 0 0 0
[editar] Ver también
divide una serie de elementos en dos grupos Original: divides a range of elements into two groups The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función de plantilla) |