<?php // your code goes here $ks=new SplDoublyLinkedList(); ?>
Standard input is empty
Standard output is empty
PHP Warning: rewind() expects exactly 1 parameter, 0 given in /home/UNfUFN/prog.php on line 6 PHP Recoverable fatal error: Object of class SplDoublyLinkedList could not be converted to string in /home/UNfUFN/prog.php on line 6