GATE | GATE MOCK 2017 | Question 19
Suppose a stack is to be implemented with a linked list instead of an array. What would be the effect on the time complexity of the push and pop operations of the stack implemented using linked list (Assuming stack is implemented efficiently)?
(A) O(1) for insertion and O(n) for deletion
(B) O(1) for insertion and O(1) for deletion
(C) O(n) for insertion and O(1) for deletion
(D) O(n) for insertion and O(n) for deletion
Explanation: Stack can be implemented using link list having O(1) bounds for both insertion as well as deletion by inserting and deleting the element from the beginning of the list.
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