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Suppose you were given a queue that did not include operations for enumeration, and you wanted to define an operation called peek that would return


Suppose you were given a queue that did not include operations for enumeration, and you wanted to define an operation called peek that would return the entry at the front of the queue without removing it. Write an algorithm for peek in terms of the operations enqueue, dequeue, and isEmpty. You may use other, temporary queues, if necessary. What is the running time of your algorithm in big O?



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