摘要: http://blog.csdn.net/discreeter/article/details/51524210 //基本概念详见这里 例题HDU4453 代码来源http://blog.csdn.net/auto_ac/article/details/12318809 伸展树我个人理解就是每次查询 阅读全文
posted @ 2017-05-28 12:40 Billyshuai 阅读(269) 评论(0) 推荐(0)