2017年3月23日
Pop Sequence
摘要： 题目描述 Given a stack which can keep MM numbers at most. Push NN numbers in the order of 1, 2, 3, ..., NN and pop randomly. You are supposed to tell if a 阅读全文
posted @ 2017-03-23 21:48 迷失三角洲 阅读(781) 评论(0) 推荐(0)