本程序设计用于模拟实现包括FCFS、SSTF、电梯、scan算法在内的磁盘调度算法，计算出各种算法的磁头移动道数供用户参考比较。-This program is designed for analog realization, including FCFS, SSTF, the elevator, scan the disk scheduling algorithms, including, heads of various algorithms to calculate the number