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std::unordered_multimap::rehash

提供: cppreference.com

 
 
 
のstd :: unordered_multimap
メンバ関数
Original:
Member functions
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unordered_multimap::unordered_multimap
unordered_multimap::~unordered_multimap
unordered_multimap::operator=
unordered_multimap::get_allocator
イテレータ
Original:
Iterators
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unordered_multimap::begin
unordered_multimap::cbegin
unordered_multimap::end
unordered_multimap::cend
容量
Original:
Capacity
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unordered_multimap::erase
unordered_multimap::size
unordered_multimap::max_size
修飾子
Original:
Modifiers
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unordered_multimap::clear
unordered_multimap::insert
unordered_multimap::emplace
unordered_multimap::emplace_hint
unordered_multimap::erase
unordered_multimap::swap
ルック
Original:
Lookup
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unordered_multimap::count
unordered_multimap::find
unordered_multimap::equal_range
バケットインターフェイス
Original:
Bucket interface
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unordered_multimap::begin2
unordered_multimap::end2
unordered_multimap::bucket_count
unordered_multimap::max_bucket_count
unordered_multimap::bucket_size
unordered_multimap::bucket
ハッシュポリシー
Original:
Hash policy
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unordered_multimap::load_factor
unordered_multimap::max_load_factor
unordered_multimap::rehash
unordered_multimap::reserve
オブザーバー
Original:
Observers
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unordered_multimap::hash_function
unordered_multimap::key_eq
 
void rehash( size_type count );
(C + + 11以来)

Sets the number of buckets to count and rehashes the container, i.e. puts the elements into appropriate buckets considering that total number of buckets has changed. If the new number of buckets makes load factor more than maximum load factor (count < size() / max_load_factor()), then the new number of buckets is at least size() / max_load_factor().

目次

[編集] パラメータ

count - new number of buckets

[編集] 値を返します

(なし)
Original:
(none)
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[編集] 複雑

容器の大きさに比例平均的な場合、最悪のケースの二次.
Original:
average case linear in the size of the container, worst case quadratic.
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[編集] も参照してください

の少なくとも指定された数の要素分の領域を確保します。
この操作はハッシュテーブルを再構成します.
(パブリックメンバ関数) [edit]