79419109ins-gps

这是一款俄罗斯方块游戏，用Visual C++编程实现。(This is a Tetris game, with the Visual C++ programming.)

一维离散傅里叶变换，通过调用excel文件来进行离散傅里叶变换(One dimensional discrete Fourier transform, by calling the excel file to do the discrete Fourier transform)

C#映射网络驱动器的例子,可把本地文件夹映射成网络驱动器，关于映射，这里就不多介绍了，有时候这是个比较有用的功能，在Windows资源管理器，有专门建立网络映射的模块，本程序完成的功能界面如图所示。

74AC163 计数器 数据参考表-74AC163 Datasheet

说明：  使用 C++在画布上实现城市的雨夜动态效果图。(Realizing the Dynamic Effect Map of Rain Night in the City)

type year and month, it will show the calender, an assignment in cla-type year and month, it will show the calender, an assignment in class

捕鱼达人，学习阶段，用于练手，可以运行，有捕鱼达人的基本功能！

说明：  NodeMcu Ｌ293Ｄ　电机驱动扩展板，使用方法(Node McuL293D Motor Drive Extension Board, Use Method)

说明：  保证客人预订、退订客房准确得到回应， 保证客人入住、店内消费得到良好的管理， 保证客人换房得到良好的回应， 保证客人结算准确良好的管理， 保证客房状态及时更改以便于查询预订， 保证特殊人群的特殊服务（贵宾卡）， 保证财务结算准确高效（入账：客人结算，出账：工资发放、日常维修、水电费以及押金的管理）， 贵宾卡的发放（累计消费达到一定数目）， 关于团体入住要保证客房的合理安排。(Ensure guest's reservation and room return are accurately answered. Ensure that guests are admitted and store consumption is well managed. Ensure a good response to the guests' room change. Ensure the accurate and good management of the guests. Ensure timely change of guest room status to facilitate booking enquiries. To ensure special services for special populations (VIP cards). Ensure that the financial settlement is accurate and efficient (Accounting: customer settlement, payment: payroll, daily maintenance, water and electricity charges and deposit management). The issuance of VIP cards (cumulative consumption reached a certain number). For group occupancy, ensure reasonable arrangement of guest rooms.)

寻最小支配集,用DP,复杂度是2^8 比2^150次方快多了-find the smallest dominating set with the DP, complexity is 2 ^ 2 ^ than eight 150-th power much quicker