std::sort
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Defined in header <algorithm> | ||
template<class RandomIt > void sort( RandomIt first, RandomIt last ); | (1) | |
template<class RandomIt, class Compare > void sort( RandomIt first, RandomIt last, Compare comp ); | (2) | |
Ordina gli elementi della gamma
[first, last)
in ordine crescente. L'ordine degli elementi uguali non è garantito per essere preservato. La prima versione utilizza operator< di confrontare gli elementi, la seconda versione utilizza la funzione di confronto dato comp
.Original:
Sorts the elements in the range
[first, last)
in ascending order. The order of equal elements is not guaranteed to be preserved. The first version uses operator< to compare the elements, the second version uses the given comparison function comp
.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.
Indice |
[modifica]Parametri
first, last | - | la gamma di elementi da ordinare Original: the range of elements to sort The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
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: bool cmp(const Type1 &a, const Type2 &b); The signature does not need to have const&, but the function must not modify the objects passed to it. |
Type requirements | ||
-RandomIt must meet the requirements of ValueSwappable and RandomAccessIterator . | ||
-The type of dereferenced RandomIt must meet the requirements of MoveAssignable and MoveConstructible . |
[modifica]Valore di ritorno
(Nessuno)
Original:
(none)
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[modifica]Complessità
O(N·log(N)), in cui le applicazioni di N =std::distance(first, last)
cmp
.Original:
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[modifica]Esempio
#include <algorithm>#include <functional>#include <array>#include <iostream> int main(){std::array<int, 10> s{5, 7, 4, 2, 8, 6, 1, 9, 0, 3}; std::sort(s.begin(), s.end());for(int a : s){std::cout<< a <<" ";}std::cout<<'\n'; std::sort(s.begin(), s.end(), std::greater<int>());for(int a : s){std::cout<< a <<" ";}std::cout<<'\n';}
Output:
0 1 2 3 4 5 6 7 8 9 9 8 7 6 5 4 3 2 1 0
[modifica]Vedi anche
ordina i primi n elementi di un intervallo Original: sorts the first N elements of a range The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione di modello) | |
Ordina un intervallo di elementi, mantenendo ordine tra elementi uguali Original: sorts a range of elements while preserving order between equal elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione di modello) |