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Question

The concatenation of two list can performed in O(1) time. Which of the following variation of linked list can be used?

a.

Singly linked list

b.

Doubly linked list

c.

Circular doubly linked list

d.

Array implementation of list

Answer: (c).Circular doubly linked list

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Q. The concatenation of two list can performed in O(1) time. Which of the following variation of linked list can be used?

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