GA实例

说明：  一个关于遗传算法的例子，亲测有效。在理解算法实现基础上就可以很好理解代码啦，主程序直接运行gamain就可以了。(An example of genetic algorithm is given, which is effective. On the basis of understanding the implementation of the algorithm, we can understand the code very well. The main program can run gamain directly.)