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Authors:
Michael T. Goodrich, Roberto Tamassia, Michael H. Goldwasser
Chapter:
Stacks, Queues, And Deques
Exercise:
Exercises
Question:1 | ISBN:9781118771334 | Edition: 6

Question

Suppose an initially empty stack S has performed a total of 25 push operations, 12 top operations, and 10 pop operations, 3 of which returned null to indicate an empty stack. What is the current size of S?

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Answer

The stack is empty and so the size is 0

0 0

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