Which data structure uses LIFO (Last In First Out) principle?
Answer: Option B
Stack follows LIFO, where the last inserted element is removed first.
1
What is the time complexity of binary search in a sorted array?
2
Which data structure is used for implementing recursion?
3
Which sorting algorithm has the best average-case time complexity?
4
In which traversal is a binary tree processed in left-root-right order?
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