说明:Removes from thelistcontainer either a single element (position) or a range of elements ([first,last)).This effectively reduces the containersizeby the number of elements removed, which are destroyed.以iterator为单元,对元素进行清除。 返回值:An iterator pointing to the element that followed ...
Position of the element to be removed from the set. _First Position of the first element removed from the set. _Last Position just beyond the last element removed from the set. _Key The key of the elements to be removed from the set. Return Value For the first two member functions, a...
Linear on the number of elements erased (destructions) plus the number of elements after the last element deleted (moving). 析构函数的复杂度和后面要移动的复杂度,所以一般情况下如果不是删除最后一个(当然删除最后一个直接用pop_back()就可以了)是O(1)外,其它都是O(n),即线性的。 再来看一下set...
An iterator that points to the element to erase. Remarks For more information, seehash_map::erase (STL/CLR),hash_multimap::erase (STL/CLR),hash_set::erase (STL/CLR), andhash_multiset::erase (STL/CLR). Applies to .NET Framework 4.8.1 and other versions ...
program to illustrate// Implementation oferase() function#include<iostream>#include<set>usingnamespacestd;intmain(){// set declarationset<int> myset{1,2,3,4,5};set<int>::iterator it1, it2;// defining it1 pointing to the first// element and it2 to the last elementit1 = myset....
After erasing the element are: Size is:0 在上面的例子中,erase(first, last) 函数用于擦除给定范围内的元素,即开始到结束。 示例4 让我们看一个简单的例子来擦除集合中的所有奇数: #include<set>#include<iostream>usingnamespacestd;intmain(){set<int> m = {1,2,3,4,5,6,7,8,9,10,11,12,13...
pos-iterator to the element to remove first, last-range of elements to remove key-key value of the elements to remove x-a value of any type that can be transparently compared with a key denoting the elements to remove Return value
在某些情况下,此方法可能会引发out_of_range异常。 示例 当编译此示例与/Wp64标记或在64位平台时,警告的编译器C4267将生成。有关此警告的更多信息,请参见编译器警告(等级 3)C4267。 复制 // multiset_erase.cpp // compile with: /EHsc #include <set> #include <iostream> int main() { using namespa...
Removes an element or a range of elements in a hash_map from specified positions or removes elements that match a specified key.SyntaxCopy iterator erase( iterator _Where ); iterator erase( iterator _First, iterator _Last ); size_type erase( const key_type& _Key ); ...
first, last-range of elements to remove key-key value of the elements to remove x-a value of any type that can be transparently compared with a key denoting the elements to remove Return value 1-3)Iterator following the last removed element. ...