std::is_heap_until
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Заголовочный файл <algorithm>
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template< class RandomIt > RandomIt is_heap_until( RandomIt first, RandomIt last ); |
(1) | (начиная с C++11) |
template< class RandomIt, class Compare > RandomIt is_heap_until( RandomIt first, RandomIt last, Compare comp ); |
(2) | (начиная с C++11) |
Рассматривает диапазоне
[first, last)
и находит самый большой набор начиная с first
который' кучи. Первая версия функции используется operator< для сравнения элементов, второй использует данную функцию сравнения comp
.Original:
Examines the range
[first, last)
and finds the largest range beginning at first
which is heap. The first version of the function uses operator< to compare the elements, the second 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 изучения
Original: the range of elements to examine 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. | |||||||||
Type requirements | |||||||||||
-RandomIt must meet the requirements of RandomAccessIterator .
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[править] Возвращаемое значение
Верхняя граница самый большой набор начиная с
first
который' кучи. То есть, последний it
итератора, для которых диапазон [first, it)
является' кучи.Original:
The upper bound of the largest range beginning at
first
which is heap. That is, the last iterator it
for which range [first, it)
is heap.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
Линейный в расстоянии между
first
и last
Original:
Linear in the distance between
first
and last
The text has been machine-translated via Google Translate.
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[править] Notes
' Кучу целый ряд элементов
[f,l)
, который имеет следующие свойства:Original:
A heap is a range of elements
[f,l)
that has the following properties: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.
- *f является крупнейшим элементом в ассортиментеOriginal:*f is the largest element in the rangeThe text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. - Новый элемент может быть добавлена с помощью std::push_heap()Original:a new element can be added using std::push_heap()The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. - Первый элемент можно удалить с помощью std::pop_heap()Original:the first element can be removed using std::pop_heap()The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
-
Фактическое расположение элементов, определяется реализацией.
Original:
The actual arrangement of the elements is implementation defined.
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You can help to correct and verify the translation. Click here for instructions.
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[править] Пример
#include <iostream> #include <algorithm> int main() { std::vector<int> v { 3, 1, 4, 1, 5, 9 }; std::make_heap(v.begin(), v.end()); // probably mess up the heap v.push_back(2); v.push_back(6); auto heap_end = std::is_heap_until(v.begin(), v.end()); std::cout << "all of v: "; for (auto i : v) std::cout << i << ' '; std::cout << '\n'; std::cout << "only heap: "; for (auto i = v.begin(); i != heap_end; ++i) std::cout << *i << ' '; std::cout << '\n'; }
Вывод:
all of v: 9 5 4 1 1 3 2 6 only heap: 9 5 4 1 1 3 2
[править] См. также
checks if the given range is a heap (шаблон функции) |