size( ) function in List

// CPP program to illustrate the

// list::size() function

#include <bits/stdc++.h>

using namespace std;

int main()

{

// Creating a list

list<int> demoList;

// Add elements to the List

demoList.push_back(10);

demoList.push_back(20);

demoList.push_back(30);

demoList.push_back(40);

// getting size of the list

int size = demoList.size();

cout << "The list contains " << size << " elements";

return 0;

}