2015年7月17日
LA 4329(树状数组)
摘要： 题目描述：N(3N20000)ping pong players live along a west-east street(consider the street as a line segment). Each player has a unique skill rank. To improve... 阅读全文
posted @ 2015-07-17 20:48 FunPR 阅读(188) 评论(0) 推荐(0) 编辑