set.end(),[&out](constT&element){out<<", "<<element;});returnout<<" }";}intmain(){std::set<int>set{1,5,3};std::cout<<set<<'\n';set.insert(2);std::cout<<set<<'\n';set.erase(1);std::cout<<set<<"\n\n";std::set<int>keys{3,4};for(intkey:keys){if(set.cont...
std::basic_ios::set_rdbuf std::basic_ios::swap std::basic_ios::tie std::basic_ios::widen std::basic_iostream std::basic_iostream::basic_iostream std::basic_iostream::swap std::basic_istream std::basic_istream::basic_istream std::basic_istream::gcount std::basic_istream::get std...
_Myfirst(allocator_arg) { // construct smuggled allocator_arg_t element } template<class... _Other, class = typename _Tuple_enable< tuple<const _Other&...>, _Myt>::type> tuple(const tuple<_Other...>& _Right) : _Mybase(_Right._Get_rest()), _Myfirst(_Right._Myfirst._Val) {...
In a set, the value of an element also identifies it (the value is itself the key, of type T), and each value must be unique. The value of the elements in a set cannot be modified once in the container (the elements are always const), but they can be inserted or removed from th...
两个主要的关联容器(associative container)类型是map和set。map中的元素是一些关键字---值(key--value)对:关键字起到索引的作用,值则表示与索引相关联的数据。set中每个元素只包含一个关键字:set支持高效的关键字查询操作---检查一个给定关键字是否在set中。 标准库提供8个关联容器: (1)、按关键字有序保存...
{// deque::at: Returns a reference to the element at a specified location in the deque. usingnamespacestd; deque <int> c1; c1.push_back(10); c1.push_back(20); constint& i = c1.at(0); int& j = c1.at(1); cout <<"The first element is " << i <<endl; ...
<set> std::set::insert C++98 C++11 single element (1) pair<iterator,bool> insert (const value_type& val); with hint (2) iterator insert (iterator position, const value_type& val); range (3) template <class InputIterator> void insert (InputIterator first, InputIterator last); ...
std::vector<int>MakeVec(){return{};}inti=*std::max_element(MakeVec().begin(),MakeVec()....
cin.get(); } AI代码助手复制代码 3. 构造、析构、赋值 3.1 std::vector::vector 构造函数 (1) 空容器构造函数 (默认构造函数)构造一个没有元素的空容器。 (2) 填充构造函数 用n个元素构造一个容器。每个元素都是val的副本(如果提供)。 (3) 范围构造函数 ...
#include <iostream>#include <tuple>#include <utility> int add(int first, int second) { return first + second; } template<typename T>T add_generic(T first, T second) { return first + second; } auto add_lambda = [](auto first, auto second) { return first + second; }; template<ty...