How to create a List of Empty Lists in C++ - Step by Step Examples

How to create a List of Empty Lists in C++ ?

Answer

To create a list of empty lists in C++ using std::list, you can initialize a list of lists with empty lists as elements.

✐ Examples

1 Create a List of Empty Lists in C++ with std::list

In this example,

We include the header for using std::list.
We define a list named list_of_lists using std::list to hold empty lists.
We initialize the list with empty lists as elements using list initialization.
Finally, we print the created list of empty lists.

C++ Program

#include <iostream>
#include <list>
#include <vector>

int main() {
    std::list<std::list<int>> list_of_lists(3);
    for (auto&amp; inner_list : list_of_lists) {
        inner_list = {};
    }

    for (const auto&amp; inner_list : list_of_lists) {
        for (const auto&amp; value : inner_list) {
            std::cout << value << ' ';
        }
        std::cout << '\n';
    }

    return 0;
}

Output

Summary

In this tutorial, we learned How to create a List of Empty Lists in C++ language with well detailed examples.

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