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Problem 225: Implement Stack using Queues Implement a last-in-first-out (LIFO) stack using only two queues. The implemented stack should support all the functions of a normal stack (push, top, pop, ...
Description Implement a last-in-first-out (LIFO) stack using only two queues. The implemented stack should support all the functions of a normal stack (push, top, pop, and empty).
Essential Data Structures for Stack and Queue LeetCode Problems Alright, so you’re tackling stack and queue problems on LeetCode. That’s great! But before you jump into the really tricky stuff, it’s ...