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Question
Medium
How do you reverse a singly linked list in O(n) time and O(1) space?
A
Use a stack
B
Use recursion
C
Iteratively update next pointers using three pointers
D
Copy to array and reverse
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How do you reverse a singly linked list in O(n) time and O(1) space? | Linked Lists MCQ | TomoLink | TomoLink
