└── scandisk


/scandisk:
--------------------------------------------------------------------------------
 1 | #include<stdio.h> 
 2 | main() 
 3 | { 
 4 | 90 
 5 | 150 160 184 
 6 | int t[20], d[20], h, i, j, n, temp, k, atr[20], tot, p, sum=0; 
 7 | clrscr(); 
 8 | printf("enter the no of tracks to be traveresed"); 
 9 | scanf("%d'",&n); 
10 | printf("enter the position of head"); 
11 | scanf("%d",&h); 
12 | t[0]=0;t[1]=h; 
13 | printf("enter the tracks"); 
14 | for(i=2;i<n+2;i++) 
15 | scanf("%d",&t[i]); 
16 | for(i=0;i<n+2;i++) 
17 | { 
18 | } 
19 | for(j=0;j<(n+2)-i-1;j++) 
20 | { 
21 | } 
22 | if(t[j]>t[j+1]) 
23 | { 
24 | } 
25 | for(i=0;i<n+2;i++) 
26 | if(t[i]==h) 
27 | temp=t[j]; 
28 | t[j]=t[j+1]; 
29 | t[j+1]=temp; 
30 | j=i;k=i; 
31 | p=0; 
32 | while(t[j]!=0) 
33 | { 
34 | } 
35 | atr[p]=t[j]; 
36 | j--; 
37 | p++; 
38 | atr[p]=t[j]; 
39 | for(p=k+1;p<n+2;p++,k++) 
40 | atr[p]=t[k+1]; 
41 | for(j=0;j<n+1;j++) 
42 | { 
43 | if(atr[j]>atr[j+1]) 
44 | else 
45 | d[j]=atr[j]-atr[j+1]; 
46 | d[j]=atr[j+1]-atr[j]; 
47 | sum+=d[j]; 
48 | } 
49 | printf("\nAverage header movements:%f",(float)sum/n); 
50 | getch(); 
51 | } 
52 | OUTPUT 
53 | Enter no.of tracks:9 
54 | Enter track position:55 
55 | Tracks traversed 
56 | 58 
57 | 60 
58 | 70 
59 | Difference between tracks 
60 | 150 
61 | 160 
62 | 50 
63 | 10 
64 | 1841 24 
65 | 90 
66 | 94 
67 | 18 
68 | 90 
69 | 150 160 184 
70 | 70 
71 | 20 
72 | 60 
73 | 58 
74 | 55 
75 | 18 
76 | 10 
77 | 2 
78 | 3 
79 | 37 
80 | Average header movements: 27.77
81 | 


--------------------------------------------------------------------------------