计算关联关系下公司的信用等级，通过shapley-shubik模型和因果图模型-Calculation of association under the company credit rating

c++ 写的共享内存的实例，进程间通信用，已封装类，方便使用，默认大小根据实际情况自由更改-C++ write the sharing memory examples, inter-process communication, already encapsulation class, ease of use, the default size according to the actual situation of the freedom to change

主要对企业的行为，信用等级等进行评价，以及对企业信息进行管理-Mainly on corporate behavior, the credit rating evaluation, and enterprise information management