2018年1月30日
【leetcode】155. Min Stack
摘要： Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- Push element x onto stack. pop() -- Remov 阅读全文
posted @ 2018-01-30 22:16 于淼 阅读(112) 评论(0) 推荐(0) 编辑