说明：  该程序简单的用C++语言实现了醉汉随机游动问题，包含了一些基本的C++语言的语法规范以及编程格式，C++初学者可以从中学到比较规范的编程思路，可供参考
(The procedure is simple with the C++ language to implement the random walk drunk problems, including some basic C++ syntax and programming format specification language, C++ beginners can learn more standardized programming ideas, for reference)