C++ List Library - list() Function

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Description

The C++ fill constructor std::list::list() constructs a new list with n elements and assign zero value to each element of list.

Declaration

Following is the declaration for std::list::list() constructor form std::list header.

C++11

explicit list (size_type n);

Parameters

n − Number of elements to be inserted into container.

Return value

Constructor never returns value.

Exceptions

This member function never throws exception.

Time complexity

Linear i.e. O(n)

Example

The following example shows the usage of std::list::list() constructor.

#include <iostream>
#include <list>

using namespace std;

int main(void) {
   list<int> l(5);

   cout << "List contains following element" << endl;

   for (auto it = l.begin(); it != l.end(); ++it)
      cout << *it << endl;

   return 0;
}

Let us compile and run the above program, this will produce the following result −

List contains following element
0
0
0
0
0