Question: Describe how to implement a queue using two stacks, so that the amortized running time for dequeue and enqueue is O(1), assuming that the stacks

Describe how to implement a queue using two stacks, so that the amortized running time for dequeue and enqueue is O(1), assuming that the stacks support constant-time push, pop, and size methods. What is the worst-case running time of the enqueue() and dequeue() methods in this case?

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