Question: What will the Time Complexity of stack Push and pop operations when it is implemented on a Linked List? Compare it with array-based stack in

  1. What will the Time Complexity of stack Push and pop operations when it is implemented on a Linked List? Compare it with array-based stack in terms of performance.

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  1. Why the minimum element in a Binary Search Tree cannot have a left child? You can use the following BST to justify your answer.

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  1. Suppose that we first insert an element x into a binary search tree that does not already contain x. Then we immediately delete x from the tree. Will the new tree be identical to the original one? If yes give the reason in no more than 3 sentences. If no give a counter example. [3 Marks]

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