pop_back()函数移除最后一个元素,即4 语法 voidpop_back(); C++ Copy 参数 不包含任何参数。 返回值 不返回任何值。 示例 让我们看一个简单的示例。 #include#includeusingnamespacestd;intmain(){list li={6,7,8,9};list::iterator itr;li.pop_back();li.pop_back();for(itr=li.begin();itr!=l...
{std::deque<char>a={'A','B','C','D'};a.pop_back();a.pop_back();std::cout<<"Deque after pop_back(): ";for(autox=a.begin();x!=a.end();++x){std::cout<<*x<<" ";}std::cout<<std::endl;return0;} Output If we run the above code it will generate the following ou...
voidpop_back(); Parameters No parameter is required. Return Value None. Time Complexity Constanti.e,Θ(1) Example: In the example below, thelist::pop_backfunction is used to delete last elements of the list calledMyList. #include<iostream>#include<list>usingnamespacestd;intmain(){list<int...
用法: list_name.pop_back(); 参数:该函数不接受任何参数。 返回值:此函数不返回任何内容。 以下示例程序旨在说明C++ STL中的list::pop_back()函数: // CPP program to illustrate the// list::pop_back() function#include<bits/stdc++.h>usingnamespacestd;intmain(){// Creating a listlist<int> dem...
pop_back() C++ vectorpop_back()function ❮ Vector Functions Example Remove the last element from a vector: vector<string>cars={"Volvo","BMW","Ford","Mazda"};cars.pop_back();for(string car:cars){cout<<car<<"\n";} Try it Yourself »...
The size of the vector can be reduced by using different built-in functions of C++. The pop_back() function is one of them. It is used to remove the last element of the vector from the back and reduce the size of the vector by 1. But the last element of
CPP CPP deque::pop_front() and deque::pop_back() in C++ STL Deque或双端队列是具有两端伸缩特性的序列容器。它们类似于向量,但在末尾和开头插入和删除元素时效率更高。与向量不同,可能无法保证连续的存储分配。 双端队列::pop_front() pop_front() 函数用于从前面的双端队列中弹出或删除元素。值从一...
// CPP program to illustrate// Application ofpush_backand pop_back function#include<iostream>#include<vector>usingnamespacestd;intmain(){intcount =0;vector<int> myvector; myvector.push_back(1); myvector.push_back(2); myvector.push_back(3); ...
#include <inplace_vector> #include <print> int main() { std::inplace_vector<int, 4> numbers{1, 2, 3}; for (; not numbers.empty(); numbers.pop_back()) std::println("{}", numbers); } Output: [1, 2, 3] [1, 2] [1]See...
Example, “what is pop_back function in c++” Code Answer’s. vector pop back . cpp by Blue Bat on May 20 2020 Donate . 2 C++ queries related to “what is pop_back function in c++” vector pop c__ std vector erase last element; pop it in vector in c++; delete last element of...