2019年11月2日
[LC] 225. Implement Stack using Queues
摘要： Implement the following operations of a stack using queues. push(x) -- Push element x onto stack. pop() -- Removes the element on top of the stack. to 阅读全文
posted @ 2019-11-02 11:02 xuan_abc 阅读(119) 评论(0) 推荐(0)