说明：  本人用GA算法实现了一个函数的最值计算，算法具有通用性，借助文件输入输出，同时再屏幕上输出的语句是为了求出算法的运行时间。
(I used a GA algorithm to achieve the most value function, the algorithm has the versatility, with paper input and output, while a further statement on the screen output is obtained for the run-time algorithm.)