传送门 C. Second price auction time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Nowadays, most of the internet advertisements are not statically linked to a web page. Instead, what will be sho…

Second-price Auction Time Limit: 1 Second      Memory Limit: 32768 KB Do you know second-price auction? It's very simple but famous. In a second-price auction, each potential buyer privately submits, perhaps in a sealed envelope or over a secure conn…

RTB —— Real Time Bidding 的简称,就是实时竞价.跟传统购买形式相比,RTB是在每一个广告展示曝光的基础上进行竞价,就是每一个PV都会进行一次展现竞价,谁出价高,谁的广告就会被这个PV看到. 有个问题出现了,为什么广告主即买方会为了一个广告PV(页面浏览量)而竞相出价呢,这个广告位有什么了不起的,会让广告主心甘情愿出最高价来竞标.秘密就在于,Ad Exchange广告平台售卖的不是传统意义上的广告位了,而是访问这个广告位的具体用户,这个用户会有自己的兴趣爱好,广告如果能够投…

A Game题意:A,B各自拥有两堆石子,数目分别为n1, n2,每次至少取1个,最多分别取k1,k2个, A先取,最后谁会赢. 分析:显然每次取一个是最优的,n1 > n2时,先手赢. 代码: #include <bits/stdc++.h> #define pb push_back #define mp make_pair #define esp 1e-14 #define lson l, m, rt<<1 #define rson m+1, r, rt<<1…

英式拍卖 是最普通的拍卖方式,其形式是拍卖过程中,竞价按阶梯,从低到高,依次递增.最终由出价最高者获得拍卖物品(竞买人变成买受人). The first price auction: a form ofauction, where bidders submit one bid in a concealed fashion. The person withthe highest bid wins the award, and pays the amount of his bid to the se…

渣排版预警,纯草稿... 唐平中.研究方向是经济学和ai方向,机制设计和拍卖设计. 内容:广告优化的方法论,自动优化. [内容] Basics on mechanism design and resrve pricing Reinforcement mechanism design: 1.Reserve pricing in ad auctions (在广告拍卖中占到保留位,怎么算到最优) 2.Seller ranking in e-commerce. [前言] Auctions design…

QS Network Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%lld & %llu Submit Status Practice ZOJ 1586 Appoint description:  System Crawler  (2015-05-31) Description Sunny Cup 2003 - Preliminary Round April 20th, 12:00 - 17:00 Problem…

两次SPFA 第一关找:从1没有出发点到另一个点的多少是留给油箱 把边反过来再找一遍:重每一个点到终点最少须要多少油 Greedy Driver Time Limit: 2 Seconds      Memory Limit: 65536 KB Edward is a truck driver of a big company. His daily work is driving a truck from one city to another. Recently he got a long d…

Electronic Auction Time limit: 0.5 secondMemory limit: 64 MB There is a deficit in cast-iron pigs in the country. They are sold at an electronic auction. Customers make their bids: announce a price at which they are ready to buy a pig. From time to t…

F. Auction of Services time limit per test 2.0 s memory limit per test 256 MB input standard input output standard output It is becoming more common to use strategies based on social networks for shopping, contract services, arrange meetings, etc. Su…