2016年7月28日
using distance to keep track of the min in a 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 @ 2016-07-28 08:13 morningdew 阅读(186) 评论(0) 推荐(0)