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std::swap_ranges

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C++
 
アルゴリズムライブラリ
機能します
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Functions
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シーケンス動作を非改変
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Non-modifying sequence operations
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シーケンス動作を変更する
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Modifying sequence operations
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操作を仕切る
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Partitioning operations
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（ソートされた範囲で）ソート操作
Original:
Sorting operations (on sorted ranges)
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バイナリ検索操作（ソート範囲で）
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Binary search operations (on sorted ranges)
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（ソートされた範囲で）操作を設定します
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Set operations (on sorted ranges)
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ヒープ操作
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Heap operations
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最小値/最大値操作
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Minimum/maximum operations
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数値演算
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Numeric operations
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Cライブラリ
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C library
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Defined in header <algorithm>
template< class ForwardIt1, class ForwardIt2 >
ForwardIt2 swap_ranges( ForwardIt1 first1, ForwardIt1 last1, ForwardIt2 first2 )
レンジ[first1, last1)とfirst2から始まる別の範囲の間の交流の要素.
Original:
Exchanges elements between range [first1, last1) and another range starting at first2.
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目次

[編集] パラメータ

first1, last1 -
スワップする要素の最初の範囲
Original:
the first range of elements to swap
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first2 -
スワップする要素の第2の範囲の始まり
Original:
beginning of the second range of elements to swap
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Type requirements
-
ForwardIt1, ForwardIt2 must meet the requirements of ForwardIterator.
-
The types of dereferenced ForwardIt1 and ForwardIt2 must meet the requirements of Swappable

[編集] 値を返します

first2始まる範囲で交換最後の要素の要素を指すイテレータ.
Original:
Iterator to the element past the last element exchanged in the range beginning with first2.
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[編集] 可能な実装

template<class ForwardIt1, class ForwardIt2>
ForwardIt1 swap_ranges(ForwardIt1 first1, 
                             ForwardIt1 last1, 
                             ForwardIt2 first2)
{
    while (first1 != last1) {
        std::iter_swap(first1++, first2++);
    }
    return first2;
}

[編集] 例

別の容器からの部分的な範囲のスワッピングを示しています
Original:
Demonstrates swapping of subranges from different containers
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#include <algorithm>
#include <list>
#include <vector>
#include <iostream>
int main()
{
    std::vector<int> v = {1, 2, 3, 4, 5};
    std::list<int> l = {-1, -2, -3, -4, -5};
 
    std::swap_ranges(v.begin(), v.begin()+3, l.begin());
 
    for(int n : v)
       std::cout << n << ' ';
    std::cout << '\n';
    for(int n : l)
       std::cout << n << ' ';
    std::cout << '\n';
}

Output: 

-1 -2 -3 4 5
1 2 3 -4 -5

[編集] 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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[編集] も参照してください
スワップ二つのイテレータが指す要素
Original:
swaps the elements pointed to by two iterators
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(関数テンプレート) [edit]
スワップ2つのオブジェクトの値
Original:
swaps the values of two objects
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(関数テンプレート) [edit]
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