std::sort
Материал из 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. |
| Заголовочный файл <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) | |
Сортировка элементов в диапазоне
[first, last) в порядке возрастания. Порядок равных элементов не гарантируется быть сохранены. Первый вариант используется operator< для сравнения элементов, вторая версия использует данную функцию сравнения 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.
Содержание |
[править] Параметры
| first, last | - | диапазон элементов для сортировки
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:
The signature does not need to have const &, but the function must not modify the objects passed to it. | |||||||||
| Требования, накладываемые на типы | |||||||||||
-RandomIt должен соответствовать требованиям ValueSwappable и RandomAccessIterator.
| |||||||||||
-Тип разыменованного RandomIt должен соответствовать требованиям MoveAssignable и MoveConstructible.
| |||||||||||
[править] Возвращаемое значение
(Нет)
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.
[править] Сложность
O(N·log(N)), где N = std::distance(first, last) применения
cmp.Original:
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.
[править] Пример
#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'; }
Вывод:
0 1 2 3 4 5 6 7 8 9 9 8 7 6 5 4 3 2 1 0
[править] См. также
| виды первых элементов N диапазона 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. (шаблон функции) | |
| виды диапазон элементов при сохранении порядка между равными элементами 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. (шаблон функции) | |