test.cpp

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#include <stdio.h>
#include <math.h>
#include <stdlib.h>
void fcfs(int num,int location,int *serial)/*先来先服务*/
{   printf("磁臂调度算法之先来先服务:\n");
	printf("----------------------------------------------\n");
	printf("当前磁道:%d\n",location);
	int i,s,count=0;
	printf("\n----------------------------------------------\n");
	printf("磁盘请求队列(磁道数为%d个):\n",num);
	for(i=0;i<num;i++)
	{
	s=abs(serial[i]-location);
	count+=s;
	location=serial[i];
	printf("%d,",serial[i]);
   }
	printf("\n----------------------------------------------\n");
	printf("\n磁臂调度访问队列:\n");
	for(i=0;i<num;i++)
		 printf("%d,",serial[i]);
	printf("\n----------------------------------------------\n");
    printf("\n移动磁道数:%d\n",count);
    printf("\n----------------------------------------------\n");
}
main(int argc,char *argv[])
{
	FILE *fp;
	int i,num,*serial,location;
	char temp[20];
	if((fp=fopen(argv[1],"r"))==NULL)
	{ 
		printf("Read file failed!");
		return 0;
	}
	fscanf(fp,"%14s%d",temp,&num);
	serial=(int *)malloc(num*sizeof(int));
	fscanf(fp,"%17s%d",temp,&location);
	fscanf(fp,"%s",temp);
	for(i=0;i<num;i++)
	{
		fscanf(fp,"%d",&serial[i]);
	}
  fclose(fp);
  fcfs(num,location,serial);
  printf("\nAccess arm simulation scheduled completely!");
  return 0;
}