std::reverse

 

C++

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copy copy_if (C++11) copy_n (C++11) copy_backward move (C++11) move_backward (C++11) fill fill_n transform generate generate_n remove remove_if remove_copy remove_copy_if	replace replace_if replace_copy replace_copy_if swap swap_ranges iter_swap reverse reverse_copy rotate rotate_copy random_shuffle shuffle   (C++11) unique unique_copy
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Defined in header <algorithm>
template< class BidirIt > void reverse( BidirIt first, BidirIt last );

レンジ[first, last)の要素の順序を反転.

Original:

Reverses the order of the elements in the range [first, last).

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パラメータ

first, last	-	逆転する要素の範囲 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.
- The type of dereferenced BidirIt must meet the requirements of Swappable.

値を返します

（なし）

Original:

(none)

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可能な実装

template<class BidirIt> void reverse(BidirIt first, BidirIt last) { while ((first != last) && (first != --last)) { std::swap(*first++, *last); } }

例

#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';
}

Output:

321
7654

複雑

firstlastとの間の距離の線形

Original:

linear in the distance between first and last

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も参照してください

reverse_copy	逆転された範囲のコピーを作成します 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. (関数テンプレート)