cppreference.com 创建账户 页面 讨论 变换 查看 编辑 历史 std::priority_queue C++ 容器库 std::priority_queue 在标头<queue>定义 template< classT, classContainer=std::vector<T>, classCompare=std::less<typenameContainer::value_type> >classpriority_queue; ...
__cpp_lib_containers_ranges202202L(C++23)按范围构造和插入;重载(20-22) 示例 运行此代码 #include <complex>#include <functional>#include <iostream>#include <queue>#include <vector>intmain(){std::priority_queue<int>pq1;pq1.push(5);std::cout<<"pq1.size() = "<<pq1.size()<<'\n';...
cppreference.com Create account Page Discussion Standard revision: View Edit History std::priority_queue<T,Container,Compare>::emplaceC++ Containers library std::priority_queue template< class... Args > void emplace( Args&&... args ); (since C++11) Pushes a new element to the priority queue...
From cppreference.com < cpp | container | priority queue C++ Compiler support Freestanding and hosted Language Standard library Standard library headers Named requirements Feature test macros (C++20) Language support library Concepts library (C++20) Metaprogramming library (C++11) Diagnostics libra...
referenceContainer::reference const_referenceContainer::const_reference 成员函数 (构造函数) 构造priority_queue (公开成员函数) (析构函数) 析构priority_queue (公开成员函数) operator= 赋值给容器适配器 (公开成员函数) 元素访问 top 访问栈顶元素
https://en.cppreference.com/w/cpp/container/priority_queue 代码案例 基础初始化,push(),pop()操作 #include<queue> #include<iostream> // Print all element in the queue in order void printQueue(std::priority_queue<int>& q){ while(!q.empty()){ std::cout << q.top() << ' '; q.po...
API Reference Document std::priority_queue<T,Container,Compare>::swapC++ Containers library std::priority_queue void swap( priority_queue& other ) noexcept(/* see below */); (since C++11) Exchanges the contents of the container adaptor with those of other. Effectively calls using std::swap;...
template<classT,classContainer=[std::vector](http://en.cppreference.com/w/cpp/container/vector)<T>,classCompare=[std::less](http://en.cppreference.com/w/cpp/utility/functional/less)<typename Container::value_type>>classpriority_queue; ...
cppreference.com 创建账户 页面 讨论 变换 查看 编辑 历史 std::priority_queue<T,Container,Compare>::emplaceC++ 容器库 std::priority_queue template< class... Args > void emplace( Args&&... args ); (C++11 起) 推入新元素到优先级队列。原位构造元素,即不进行移动或复制操作。以与提供给函数严格...
cppreference.com 创建账户 页面 讨论 变换 查看 编辑 历史 std::priority_queue<T,Container,Compare>::topC++ 容器库 std::priority_queue const_reference top() const; 返回到优先级队列顶元素的引用。此元素将在调用 pop() 时被移除。若使用默认比较函数,则返回的元素亦为优先队列中最大的元素。