定义了矩阵类并实现矩阵的加减乘除转置操作。是学习C语言二级指针的不错例子-Define and implement a matrix class subtraction, multiplication and division matrix transpose operation. Learning C language pointer two good examples

通过主进程的分发机制一次下发指定数目文件至子进程,子进程进行文件操作取文件内容进行后面的需求操作.(Through the main process distribution mechanism, send a specified number of files to the sub process at a time, the child process file operations, take the file content for the latter needs operations