Physics · Data Structures
A doubly linked list has two pointers, one pointing to the front (head) and the other to the rear (last node). Under which of the following configuration operations can this linked list be used to implement a Stack (LIFO structure)? 1. Insertion at the front, deletion from the rear2. Insertion at the front, deletion from the front3. Insertion at the rear, deletion from the rear4. Insertion at the rear, deletion from the front
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