std::reverse
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| Déclaré dans l'en-tête <algorithm>
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| template< class BidirIt > void reverse( BidirIt first, BidirIt last ); |
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Inverse l'ordre des éléments dans la gamme
[first, last) .Original:
Reverses the order of the elements in the range
[first, last).The text has been machine-translated via Google Translate.
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Sommaire |
[modifier] Paramètres
| first, last | - | la plage d'éléments à inverser
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.
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-The type of dereferenced BidirIt must meet the requirements of Swappable.
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[modifier] Retourne la valeur
(Aucun)
Original:
(none)
The text has been machine-translated via Google Translate.
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[modifier] Mise en œuvre possible
template<class BidirIt> void reverse(BidirIt first, BidirIt last) { while ((first != last) && (first != --last)) { std::swap(*first++, *last); } } |
[modifier] Exemple
#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'; }
Résultat :
321 7654
[modifier] Complexité
linéaire de la distance entre
first et 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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[modifier] Voir aussi
| crée une copie d'une plage qui est inversé 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. (fonction générique) | |
