Computer Sciences > Gate 2016 Set-2 > Sorting Searching
N items are stored in a sorted doubly linked list. For a delete operation, a pointer is provided to the record to be deleted. For a decrease-key operation, a pointer is provided to the record on which the operation is to be performed.

An algorithm performs the following operations on the list in this order: Θ(N) delete, O(log N) insert, O(log N) find, and Θ(N) decrease-key What is the time complexity of all these operations put together
A
O(Log2N)
B
O(N)
C
O(N2)
D
Θ(N2 Log N)

Correct : Sorting Searching

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