The time required to delete a node x from a doubly linked list having n nodes is(A) O (n)(B) O (log n)# (C) O (1)(D) O (n log n)(E)n/2
Question
The time required to delete a node x from a doubly linked list having n nodes is(A) O (n)(B) O (log n)# (C) O (1)(D) O (n log n)(E)n/2
Solution
The time complexity to delete a node x from a doubly linked list is O(1). This is because in a doubly linked list, we can directly access any node and deleting a node only requires changing the next pointer of the previous node and the previous pointer of the next node, which are constant time operations. Therefore, the answer is (C) O(1).
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