std::deque (an abbreviation of 'double-ended queue', pronounce 'deck') is a container to store elements in a double-ended queue.


#include <algorithm> //std::copy

#include <deque>     //std::deque

#include <iostream>  //std::cout

#include <iterator>  //std::ostream_iterator

#include <string>    //std::string



int main()

{

  std::deque<std::string> q;

  q.push_back("I am first");

  q.push_front("I get added in the front");

  q.push_back("I get added in the back");

  //Display q

  std::copy(q.begin(),q.end(),std::ostream_iterator<std::string>(std::cout,"\n"));

}

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(C++) std::deque