Program to implement SSTF disk scheduling algorithm in C

/*
   SSTF Disk Scheduling Algorithm
   Created By: Pirate
*/


#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int queue[100],t[100],head,seek=0,n,i,j,temp;
float avg;
// clrscr();
printf("*** SSTF Disk Scheduling Algorithm ***\n");
printf("Enter the size of Queue\t");
scanf("%d",&n);
printf("Enter the Queue\t");
for(i=0;i<n;i++)
{
    scanf("%d",&queue[i]);
}
printf("Enter the initial head position\t");
scanf("%d",&head);
  for(i=1;i<n;i++)
  t[i]=abs(head-queue[i]);
for(i=0;i<n;i++)
  {
    for(j=i+1;j<n;j++)
    {
      if(t[i]>t[j])
      {
        temp=t[i];
        t[i]=t[j];
        t[j]=temp;
        temp=queue[i];
        queue[i]=queue[j];
        queue[j]=temp;
      }
  }
  }
  for(i=1;i<n-1;i++)
  {
  seek=seek+abs(head-queue[i]);
  head=queue[i];
}
  printf("\nTotal Seek Time is%d\t",seek);
avg=seek/(float)n;
printf("\nAverage Seek Time is %f\t",avg);
getch();
}





Output