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3 cards from this section. Quick, good the night before a test.
What does the push operation do in a stack?
Think about what happens when you stack plates!
What happens when you pop an element from the stack?
Imagine taking the top item off a stack.
What does a push operation do?
Think about how a physical stack of objects works.
Is the following statement true or false? A stack follows a Last In First Out (LIFO) principle.
Remember, the last item added is the first one to be removed.
Given a stack sequence of operations: push(4), push(6), add(), push(10), push(2), multiply(). What is the value of the top element after all operations?
Break down the steps one by one.
You have a stack with elements 30, 40, and 50 after several operations. If you pop two elements and then push 25, what would the new top be?
Work through each operation carefully.
5 more questions in this section. Enroll free to practise them all.
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