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list pop_back() function in C++ STL

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The list::pop_back() is a built-in function in C++ STL which is used to remove an element from the back of a list container. That is, this function deletes the last element of a list container. This function thus decreases the size of the container by 1 as it deletes an element from the end of the list.




  • The function does not accept any parameter.

Return Value

  • This function does not return anything.


The below program illustrates the list::pop_back() function in C++ STL.


// CPP program to illustrate the
// list::pop_back() function
#include <bits/stdc++.h>
using namespace std;
int main()
    // Creating a list
    list<int> demoList;
    // Adding elements to the list
    // using push_back()
    // Initial List:
    cout << "Initial List: ";
    for (auto itr = demoList.begin(); itr != demoList.end();
        cout << *itr << " ";
    // removing an element from the end of List
    // using pop_back
    // List after removing element from end
    cout << "\n\nList after removing an element from end: ";
    for (auto itr = demoList.begin(); itr != demoList.end();
        cout << *itr << " ";
    return 0;


Initial List: 10 20 30 40 

List after removing an element from end: 10 20 30 

Time Complexity: O(1)
Auxiliary Space: O(1)

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Last Updated : 30 May, 2023
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