A Stack Is Initially Empty, Then the Following Commands Are

question 14

Multiple Choice

A stack is initially empty, then the following commands are performed: push 5
Push 7
Pop
Push 10
Push 5
Pop
Which of the following is the correct stack after those commands (assume the top of the stack is on the left) ?

• A) 5 10 7 5
• B) 5 10
• C) 7 5
• D) 10 5

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