Implement Queue using Stacks at Qualcomm

Problem Description

Implement a first in first out (FIFO) queue using only two stacks. The implemented queue should support all the functions of a normal queue (`push`, `peek`, `pop`, and `empty`). Implement the `MyQueue` class: * `void push(int x)` Pushes element x to the back of the queue. * `int pop()` Removes...

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