2015年7月22日
队列 Soldier and Cards
摘要： Soldier and Cards题目：DescriptionTwo bored soldiers are playing card war. Their card deck consists of exactlyncards, numbered from1ton,all values are di... 阅读全文
posted @ 2015-07-22 21:42 枫虹 阅读(208) 评论(0) 推荐(0) 编辑
平衡的括号
摘要： 题目：You are given a string consisting of parentheses()and[]. A string of this type is said to becorrect:(a)if it is the empty string(b)if A and B are c... 阅读全文
posted @ 2015-07-22 21:04 枫虹 阅读(250) 评论(0) 推荐(0) 编辑