磁盘模拟程序，通过输入初始位置来寻道，产生随机数组并选择算法，最后用直线连接计算后的随机数组，输出结果。-Analog realization of SSTF and SCAN algorithms。By entering the initial position from either the road, resulting in a random array and selection algorithm, and finally connected with a straight calculation of the random array output.