1时间函数举例4,一个猜数游戏，判断一个人反应快慢。 2有两个磁盘文件A和B,各存放一行字母，要求把这两个文件中的信息合并（按字母顺序排列）输出到一个新文件C中。-A function of time, for example 4, a guess the number of games, judge a person reaction speed. 2 There are two disk files A and B, the storage of his letters, these t