Select the correct answerThe stack using queue(with only enqueue and dequeue operations), how many queues will we need for implementing?Options3412
Question
Select the correct answerThe stack using queue(with only enqueue and dequeue operations), how many queues will we need for implementing?Options3412
Solution
The correct answer is 2. We need two queues for implementing a stack using queue with only enqueue and dequeue operations. The first queue is used for the main operations like push and pop while the second queue is used to facilitate these operations.
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