C++ Deque Library - assign() Function

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Description

The C++ function std::deque::assign() assigns new values to deque by replacing old ones. Assign val to each element of deque

Declaration

Following is the declaration for std::deque::assign() function form std::deque header.

C++98

void assign (size_type n, const value_type& val);

C++11

void assign (size_type n, const value_type& val);

Parameters

• n − Number of elements.

• val − Value to be assigned to each element of the container.

Return value

None.

Exceptions

This member function never throws exception.

Time complexity

Linear i.e. O(n)

Example

The following example shows the usage of std::deque::assign() function.

#include <iostream>
#include <deque>

using namespace std;

int main(void) {

   deque<int> d;

   d.assign(5, 1);

   cout << "Contents of deque are" << endl;

   for (int i = 0; i < d.size(); ++i)
      cout << d[i] << endl;

   return 0;
}

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

Contents of deque are
1
1
1
1
1