std::set::erase

 

C++

语言

概念

实用工具库

字符串库

集装箱库

算法库

迭代器库

Numerics库

输入/输出库

本地化库

正则表达式库 （C++11）

原子操作库 （C++11）

线程的支持库 （C++11）

 

容器库

array （C++11）

vector

deque

forward_list （C++11）

list

set

multiset

map

multimap

unordered_set （C++11）

unordered_multiset （C++11）

unordered_map （C++11）

unordered_multimap （C++11）

stack

queue

priority_queue

 

std::set

成员函数 Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

set::set

set::~set

set::operator=

set::get_allocator

迭代器 Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

set::begin set::cbegin （C++11）

set::end set::cend （C++11）

set::rbegin set::crbegin （C++11）

set::rend set::crend （C++11）

容量 Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

set::empty

set::size

set::max_size

修饰符 Original: Modifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

set::clear

set::insert

set::emplace （C++11）

set::emplace_hint （C++11）

set::erase

set::swap

查找 Original: Lookup The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

set::count

set::find

set::equal_range

set::lower_bound

set::upper_bound

观察员 Original: Observers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

set::key_comp

set::value_comp

 

void erase( iterator position ); iterator erase( const_iterator position );	(1)	（至 C++11） （C++11 起）
void erase( iterator first, iterator last ); iterator erase( const_iterator first, const_iterator last );	(2)	（至 C++11） （C++11 起）
size_type erase( const key_type& key );	(3)

从容器中移除指定的元素.

Original:

Removes specified elements from the container.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

1)

删除的元素pos.

Original:

Removes the element at pos.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

2)

移除的元素的范围内[first; last).

Original:

Removes the elements in the range [first; last).

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

3)

移除所有元素的键值key

Original:

Removes all elements with the key value key

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

References and iterators to the erased elements are invalidated. Other references and iterators are not affected.

参数

pos	-	要移除的元素的迭代器 Original: iterator to the element to remove The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
first, last	-	要移除的元素范围 Original: range of elements to remove The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
key	-	要移除的元素的键值 Original: key value of the elements to remove The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

返回值

1-2)

迭代器后，最后删除的元素.

Original:

Iterator following the last removed element.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

3)

删除元素的数量.

Original:

Number of elements removed.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

复杂性

1) Amortized constant

2) log(a.size()) + std::distance(first, last)

3) log(a.size()) + a.count(k)

另请参阅

clear	清除其内容 Original: clears the contents The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （公共成员函数）