Singapore GCE A-Level H2 Computing Practice Questions - Singapore GCE A-Level H2 Computing Examination (SEAB Syllabus 9569) Exam

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In a singly linked list, what is the time complexity of deleting a node at the head of the list, assuming a reference to the head is maintained?

O(1) O(n) O(log n) O(n^2)

Correct Answer:

O(1)

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