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Professor Idle suggests the following solution to the previous problem. Whenever an entry is…

Professor Idle suggests the following solution to the previous problem. Whenever an entry is…

Professor Idle suggests the following solution to the previous problem. Whenever an entry is inserted into the queue, it is assigned a key that is equal to the current size of the queue. Does such a strategy result in FIFO semantics? Prove that it is so or provide a counterexample.