如果Jan先手,那么可以放入一个对Petra来说价值$inf$的物品,就变成了Petra先手. 对于Petra来说,拿物品的顺序是固定的,按这个顺序排序. 那么如果把Petra的选择看成$($,Jan的选择看成$)$,一个合法的方案对应了一个合法括号序列. 因此贪心选取$\lfloor\frac{n}{2}\rfloor$个价值最大的右括号,同时保证不破坏括号序列合法性即可,线段树维护. 时间复杂度$O(n\log n)$. #include<cstdio> #include<algor…

  Free Goodies Time Limit: 3000MS   Memory Limit: Unknown   64bit IO Format: %lld & %llu [Submit]   [Go Back]   [Status] Description   B  Free Goodies   Petra and Jan have just received a box full of free goodies, and want to divide the goodies betwe…

Petra and Jan have just received a box full of free goodies, and want to divide the goodies between them. However, it is not easy to do this fairly, since they both value different goodies differently. To divide the goodies, they have decided upon th…

解题关键:先对p进行排序,消除p的影响,然后对w进行01背包即可.注意p对w的约束.j<=(cur+1)/2 #include<cstdio> #include<cstring> #include<algorithm> #include<cstdlib> #include<cmath> #include<iostream> using namespace std; typedef long long ll; struct nod…

问题 使用EDMX文件 EF Power Tools参数不正确的解决方法 对于"异常来自 HRESULT:0x80070057 (E_INVALIDARG)",有方法说"删除 C:/WINDOWS/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET files这个文件夹",只是删除掉该文件夹之后,再次尝试生成代码时仍然会报出上面的错误. 这里提供的解决方法: 在"连接属性"中,点击"…

Awesome系列的JavaScript资源整理.awesome-javascript是sorrycc发起维护的 JS 资源列表,内容包括:包管理器.加载器.测试框架.运行器.QA.MVC框架和库.模板引擎.数据可视化.时间轴.编辑器等. 前端MVC框架与库 angular.js - 前端MVVM框架,支持双向绑定,实现MVC架构,增强Web应用 aurelia - A Javascript client framework for mobile, desktop and web. backbo…

UTFGrid UTFGrid is a specification for rasterized interaction data. As of version 1.2, it was removed from incubation in the MBTiles Specification and split into its own repository. See CHANGELOG.md for per-version changes. License This specification…

以下内容为原创,欢迎转载,转载请注明 来自天天博客:http://www.cnblogs.com/tiantianbyconan/p/5795091.html 使用自定义JUnit Rules.annotations和Resources进行单元测试 原文:http://www.thedroidsonroids.com/blog/android/unit-tests-rules-annotations-resources 简介 Unit Test并不只有断言和测试方法组成.它有一些可以用来提高质量…

jquery autocomplete插件 https://goodies.pixabay.com/jquery/auto-complete/demo.html autocomplete-table 以表格形式提示: http://vyasrao.github.io/tAutocomplete/…

Hie with the Pie Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 3160   Accepted: 1613 Description The Pizazz Pizzeria prides itself in delivering pizzas to its customers as fast as possible. Unfortunately, due to cutbacks, they can affo…