C++ STL vector::pop_back() function: Here, we are going to learn about the pop_back() function of vector header in C++ STL with example. Submitted by IncludeHelp, on May 16, 2019 C++ vector::pop_back() functionvector::pop_back() is a library function of "vector" header, it is ...
myvector.pop_back(); } if(myvector.empty()) cout<<"Vector is empty now\n"; return 0; }Input number of elements (initially) 6 Input elements 3 4 5 6 7 8 size of the vector is 6 maximum size of the vector can be 4611686018427387903 size of vector: 6 size of vector: 5 size of...
vector::insert()is a library function of"vector"header, it is used to insert elements in a vector, it accepts an element, set of elements with a default value or other values from other containers and insert in the vector from specified iterator position. Note:To use vector, include<vector...
// CPP program to illustrate// pop_back() function#include<iostream>#include<vector>usingnamespacestd;intmain(){vector<int> myvector{1,2,3,4,5}; myvector.pop_back();// Vector becomes 1, 2, 3, 4for(autoit = myvector.begin(); it != myvector.end(); ++it)cout<<' '<< *it;...
v.pop_back(); } //print sum of the elements cout << s; return 0; } Output: First, declare a variable s, which is initialized to zero. Then, create a vector v with different integer elements 39, 52, 62, 31, 91, 24. After creating it, check whether the vector is empty using ...
// C++ program to illustrate the // capacity function in vector #include <iostream> #include <vector> using namespace std; int main() { vector<int> g1; for (int i = 1; i <= 5; i++) g1.push_back(i); cout << "Size : " << g1.size(); cout << "\nCapacity : " <<...
void pop_back(); 删除容器的最后一个元素,pop_back 未定义在空容器上的调用。迭代器对最后一个元素的引用以及 end() 迭代器均无效。 #include <vector> #include <iostream> template<typename T> void print(T const & xs) { std::cout << "[ "; ...
要从矢量中删除最后一个元素,可以使用pop_bach成员函数。以下语句从名为collection的矢量中移除最后一个元素: collection.pop_back(); 程序示例: #include <iostream> #include <vector> using namespace std; int main() { vector<int> values; //Store values in the vector ...
Executes a function on each item in the Vector, and returns a new Vector of items corresponding to the results of calling the function on each item in this Vector. Vector pop():T Removes the last element from the Vector and returns that element. ...
capacity() << '\n'; // using resize() // resize() is a member function of vector class. // resize() is used to change the size of the vector. // resize() is useful when you know that the vector will not be resized in the future. std::vector<int> c = {1, 2, 3}...