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2 cards from this section. Quick, good the night before a test.
What is a stack?
Think about how items are piled up.
Explain the push operation.
What do you do when you add something to a pile?
What type of data structure is a stack?
Think about a stack of plates!
True or False: In a stack, the first element pushed is the first to be popped off.
Consider how you would pick an item off a stack.
Given a stack with elements 5, 10, and 3, perform the following operations: push 7, pop once, and then add the top two elements. What is the final output?
Follow each operation step by step.
Discuss the theoretical implications of using stack vs. heap for storing data. What are the trade-offs?
Consider speed vs. access flexibility as key factors.
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