LeetCode 232: Implement Queue using Stacks
Problem Restatement We need to implement a queue using only standard stack operations. The queue must support: Operation Meaning push(x) Add x to the back of the queue pop() Remove and return the front element peek() Return the front element without removing it empty() Return whether the queue is empty A queue follows FIFO order: First In, First Out A stack follows LIFO order: Last In, First Out The challenge...