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IS52054A: ALGORITHMS 2 (2024-25)
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What is the return value from this block of pseudocode? s ← new Stack() q ← new Queue() push (83,s) pop (s) isempty(s) push (56,s) push (-63,s) pop (s) enqueue (32,q) peek(q) peek(s) pop (s) dequeue (q) push (31,s) return peek (s)
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For a queue with elements implemented using a pair (front, tail) of references
to a singly-linked list, what is the complexity of the dequeue operation?
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For a queue with elements implemented using a pair (front, tail) of references
to a singly-linked list, what is the complexity of the enqueue operation?
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For a stack with elements implemented using a singly-linked list, what is the complexity of the pop operation?
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For a stack with elements implemented using a singly-linked list, what is the complexity of the isempty operation?
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For a queue with elements implemented using a single (front) reference
to a singly-linked list, what is the complexity of the isempty operation?
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For a queue with elements implemented using a single (front) reference
to a singly-linked list, what is the complexity of the dequeue operation?
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Which of the following are stack operations?
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Which of the following are not stack operations?
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Which of the following data structures support adding data to one end and reading it from the other?
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