list max_size() function in C++ STL

The list::max_size() is a built-in function in C++ STL which returns the maximum number of elements a list container can hold.

Syntax:

list_name.max_size()

Parameters: This function does not accept any parameters.

Return Value: This function returns the maximum number of elements a list container can hold.

Below program illustrate the list::max_size() function in C++ STL: 

CPP

// CPP program to illustrate the
// list::max_size() function
#include <bits/stdc++.h>
using namespace std;

int main()
{
 // Creating a list
 list<int> demoList;

 // checking the max size of the list
 cout << demoList.max_size();

 return 0;
}

Output

768614336404564650

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