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Delete elements in C++ STL list
IIn this tutorial, we will be discussing a program to understand how to delete elements in the C++ STL list.
For this, we will be using the pop_back() and pop_front() function to delete the element from last and the front respectively.
Example
#include<iostream>
#include<list>
using namespace std;
int main(){
list<int>list1={10,15,20,25,30,35};
cout << "The original list is : ";
for (list<int>::iterator i=list1.begin(); i!=list1.end();i++)
cout << *i << " ";
cout << endl;
//deleting first element
list1.pop_front();
cout << "The list after deleting first element using pop_front() : ";
for (list<int>::iterator i=list1.begin(); i!=list1.end(); i++)
cout << *i << " ";
cout << endl;
//deleting last element
list1.pop_back();
cout << "The list after deleting last element using pop_back() : ";
for (list<int>::iterator i=list1.begin(); i!=list1.end(); i++)
cout << *i << " ";
cout << endl;
}Output
The original list is : 10 15 20 25 30 35 The list after deleting first element using pop_front() : 15 20 25 30 35 The list after deleting last element using pop_back() : 15 20 25 30
Updated on: 23-Mar-2020
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