# Algorithms Quiz | SP Contest 4 | Question 5

What is the corresponding time complexity for different operations like insert at head, insert at tail, delete tail, searching for an element on circular doubly linked list?**(A)** O(n), O(1), O(n), O(n)**(B)** O(1), O(1), O(1), O(n)**(C)** O(1), O(1), O(1), O(1)**(D)** None of the above**Answer:** **(B)****Explanation:** https://www.geeksforgeeks.org/doubly-circular-linked-list-set-1-introduction-and-insertion/

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