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3 cards from this section. Quick, good the night before a test.
What does 'push' mean in the context of stack operations?
Think of it as putting a book on top of a pile.
What is LIFO?
Consider which item comes off first from a stack.
What operation adds an element to the top of the stack?
Remember the action of adding something onto a pile.
True or False: The stack operates on a First In, First Out (FIFO) basis.
Think about which element is accessed first.
You have a sequence of operations: push(5), push(10), push(15), pop(), pop(). What is the final top of the stack?
Follow the sequence of push and pop operations carefully.
Design a stack-based approach for reversing a string like 'hello'. Describe each step.
How does the LIFO characteristic help in reversing the order?
6 more questions in this section. Enroll free to practise them all.
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