Question: A deque (double-ended queue) is a data structure with operations addFirst, remove- First, addLast, and removeLast. What is the O(1) efficiency of these operations if

A deque (double-ended queue) is a data structure with operations addFirst, remove-

First, addLast, and removeLast. What is the O(1) efficiency of these operations if the deque is implemented as

a. a singly-linked list?

b. a doubly-linked list?

c. a circular array?

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