Homework Answers
implementing queue using doubly linked list.
declare two pointer (rear and front) of doubly node type .
rear point to last node of queue and front point to first node of queue.
enqueue(data) : new data will be inserted into doubly linked list at rear end.
dequeue(data) will be done at front of (head)doubly linked list.
isEmpty(): if head of linked list is NULL then it is empty.
frontElement() : print data at head of doubly linked list.
No,it is not necessary to use doubly linked list ,it can be implemented using singly linked list.
doubly linked list occupy more memory than singly linked list.
Therefore ,it would be better to use singly linked list.
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