C++ Usage and examples of pop_back() function

C++ List (List)

C ++ The pop_back() function of List removes the last element from the list and reduces the size of the list by one.

The pop_back() function deletes the last element, that is4

Syntax

void pop_back();

Parameters

It does not contain any parameters.

Return value

It does not return any value.

Example

Let's look at a simple example

Example

#include <iostream>　　
#include<list>　　
using namespace std;　　
int main()
{
　　　list li={6,7,8,9};
　　　list::iterator itr;
　　　li.pop_back();
　　　li.pop_back();
　　for(itr=li.begin();itr!=li.end();++itr){
　　　　　　cout<<*itr<<",";
　　}
　　
　　return 0;
}

Output:

6,7

In this example, the pop_back() function removes the last two elements from the list.

C++ List (List)