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大数据下的用户行为分析
Consumer behaviour is the study of when,why,how and where people do or don’t buy a product。 用户行为一般指用户通过中间资源,购买、使用和评价某种产品的记录。同时辅以用户、资源、产品自身及环境的信息。 用户行为 ...
分类:其他好文   时间:2018-09-11 11:21:37    阅读次数:161
ACM-ICPC 2018徐州网络赛-H题 Ryuji doesn't want to study
C*M....死于update的一个long long写成int了 心累 不想写过程了 ******** 树状数组,一个平的一个斜着的,怎么斜都行 题库链接:https://nanti.jisuanke.com/t/31460 ...
分类:其他好文   时间:2018-09-11 01:02:04    阅读次数:149
2018徐州网络赛H. Ryuji doesn't want to study
题目链接: https://nanti.jisuanke.com/t/31458 题解: 建立两个树状数组,第一个是,a[1]*n+a[2]*(n-1)....+a[n]*1;第二个是正常的a[1],a[2],a[3]...a[n] 262144K Morgana is learning compu ...
分类:其他好文   时间:2018-09-10 19:46:50    阅读次数:395
2018徐州网络赛H. Ryuji doesn't want to study
题目链接: https://nanti.jisuanke.com/t/31458 题解: 建立两个树状数组,第一个是,a[1]*n+a[2]*(n-1)....+a[n]*1;第二个是正常的a[1],a[2],a[3]...a[n] 262144K Morgana is learning compu ...
分类:其他好文   时间:2018-09-10 19:43:15    阅读次数:187
Ryuji doesn't want to study 2018徐州icpc网络赛 树状数组
Ryuji is not a good student, and he doesn't want to study. But there are n books he should learn, each book has its knowledge a[i]a[i]. Unfortunately, ...
分类:编程语言   时间:2018-09-10 19:08:45    阅读次数:216
ACM-ICPC 2018 徐州赛区(网络赛)
[TOC] A. Hard to prepare B. BE, GE or NE C. Cacti Lottery D. Easy Math E. End Fantasy VIX F. Features Track G. Trace H. Ryuji doesn't want to study I. ...
分类:其他好文   时间:2018-09-10 11:15:37    阅读次数:305
ACM-ICPC 2018 徐州赛区网络预赛 H. Ryuji doesn't want to study (线段树)
Ryuji is not a good student, and he doesn't want to study. But there are n books he should learn, each book has its knowledge a[i]a[i]. Unfortunately, ...
分类:其他好文   时间:2018-09-09 23:11:16    阅读次数:289
ACM-ICPC 2018 徐州赛区网络预赛 H. Ryuji doesn't want to study
262144K Ryuji is not a good student, and he doesn't want to study. But there are n books he should learn, each book has its knowledge a[i]a[i]. Unfort ...
分类:其他好文   时间:2018-09-09 22:15:52    阅读次数:252
计算机系统概述
现代计算机的原型 冯·诺依曼 1946年,普林斯顿高等研究院(the Institute for Advance Study at Princeton,IAS )开始设计“存储程序”计算机,被称为IAS计算机. 冯·诺依曼结构最重要的思想是“存储程序(Stored-program)” 工作方式: 任 ...
分类:其他好文   时间:2018-09-08 18:01:48    阅读次数:503
主席树(一种可持久化线段树)
study from: 静态主席树:https://blog.csdn.net/a1351937368/article/details/78884526 动态主席树:https://blog.csdn.net/WilliamSun0122/article/details/77885781 静态: h ...
分类:其他好文   时间:2018-09-07 22:51:43    阅读次数:191
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