Computers and Technology, 13.03.2020 00:20 Brock2002

(a) Write an iterative algorithm in Java-like pseudocode for printing a singly linked list in reverse in O(N) time. You can use as much extra space as you need. The original list pointers CAN NOT BE MODIFIED. State in big-O notation how much extra space is used by this algorithm.
NOTE: The reason you are not allowed to implement the algorithms recursively, is due to the additional space requirements of recursive calls. Around N recursive calls has an additional space complexity of O(N) as each recursive call is placed on a call-stack that requires memory to keep track of.
(b) Write another iterative algorithm in Java-like pseudocode for printing a singly linked list in reverse using O(1) extra space. The original list pointers CAN NOT BE MODIFIED. This algorithm can have any runtime (it will be worse than the algorithm in part a). State the runtime of your algorithm in big-O notation.
NOTE: The reason you are not allowed to implement the algorithms recursively, is due to the additional space requirements of recursive calls. Around N recursive calls has an additional space complexity of O(N) as each recursive call is placed on a call-stack that requires memory to keep track of.

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