博客
关于我
POJ2976 Dropping tests (最大化平均值/二分)
阅读量:184 次
发布时间:2019-02-28

本文共 1626 字,大约阅读时间需要 5 分钟。

?????????????????????????????????????????????

???????????????n??????????????a?b???????????n-k????????????????????????????????????????????????

?????????????????????????????????????????????????????????????????????

???????????????????????d????a[i] - d * b[i]?????????????????????????????????n-k????????????????d??????????????????????????d?

??????????????????????????????????????????????????????????????d?????b[i]???a[i]??????d??b[i]????????

????????????y????????????????n-k?????????n-k??????????????n-k???????????????????

??????????????????????lb??100??????????????q????????p?????????0.5???q???p??????1?????p??????

????????????????????????????????????????p??????????????????????????1????????????????????????

??????????????lb?ub???????lb??????0????ub??????????1e9?????????b[i]?????d?????????a[i] - d*b[i]??????????????????

????????????????????y??????????????n-k???????????????????????????????????????n-k?????????

?????????????????lb?ub????????????????C(mid)??true???mid??????????ub???mid????lb???mid?????????????lb????????????d?

????????????n????1000????????????O(n log n)???n=1000????????????????????????100??????????????1000 log(1000) + 100 * 1000 log(1000)???????????

???????????????????????????p????????????????????????p?????????0.5???????q??p??????1?????p??????

?????????????????????????????????????????????????????k=0???????????????????

??????????????????????double???y[i]???????????????????????????long double?

??????C??????????????y[i] = a[i] - d * b[i]?????????n-k????y[i]?????????????????

????????????????????????????????????n-k??????????????????????????????????????????

?????????????????????????????????????????????????

转载地址:http://akvn.baihongyu.com/

你可能感兴趣的文章
org.hibernate.HibernateException: Unable to get the default Bean Validation factory
查看>>
org.hibernate.ObjectNotFoundException: No row with the given identifier exists:
查看>>
org.springframework.amqp.AmqpConnectException:java.net.ConnectException:Connection timed out:connect
查看>>
org.springframework.beans.factory.BeanDefinitionStoreException
查看>>
org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata
查看>>
org.springframework.boot:spring boot maven plugin丢失---SpringCloud Alibaba_若依微服务框架改造_--工作笔记012
查看>>
SQL-CLR 类型映射 (LINQ to SQL)
查看>>
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter
查看>>
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter
查看>>
org.springframework.web.multipart.MaxUploadSizeExceededException: Maximum upload size exceeded
查看>>
org.tinygroup.serviceprocessor-服务处理器
查看>>
org/eclipse/jetty/server/Connector : Unsupported major.minor version 52.0
查看>>
org/hibernate/validator/internal/engine
查看>>
Orleans框架------基于Actor模型生成分布式Id
查看>>
SQL-36 创建一个actor_name表,将actor表中的所有first_name以及last_name导入改表。
查看>>
ORM sqlachemy学习
查看>>
Ormlite数据库
查看>>
orm总结
查看>>
ORM框架 和 面向对象编程
查看>>
OS X Yosemite中VMware Fusion实验环境的虚拟机文件位置备忘
查看>>