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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int a[20], n, head, size, dir, i, move = 0;
  5.  
  6.     printf("No. of Requests: ");
  7.     scanf("%d", &n);
  8.  
  9.     printf("Request Sequence: ");
  10.     for(i = 0; i < n; i++)
  11.         scanf("%d", &a[i]);
  12.  
  13.     printf("Initial Head Position: ");
  14.     scanf("%d", &head);
  15.  
  16.     printf("Total Disk Size: ");
  17.     scanf("%d", &size);
  18.  
  19.     printf("Head Movement Direction (High=1, Low=0): ");
  20.     scanf("%d", &dir);
  21.  
  22.     if(dir == 1)
  23.         move = (size - 1 - head) + (size - 1 - a[0]);
  24.     else
  25.         move = head + a[n - 1];
  26.  
  27.     printf("Total Head Movement = %d\n", move);
  28.  
  29.     return 0;
  30. }
Success #stdin #stdout 0s 5320KB
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stdin
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#include <stdio.h>

int main() {
    int a[20], n, head, size, dir, i, move = 0;

    printf("No. of Requests: ");
    scanf("%d", &n);

    printf("Request Sequence: ");
    for(i = 0; i < n; i++)
        scanf("%d", &a[i]);

    printf("Initial Head Position: ");
    scanf("%d", &head);

    printf("Total Disk Size: ");
    scanf("%d", &size);

    printf("Head Movement Direction (High=1, Low=0): ");
    scanf("%d", &dir);

    if(dir == 1)
        move = (size - 1 - head) + (size - 1 - a[0]);
    else
        move = head + a[n - 1];

    printf("Total Head Movement = %d\n", move);

    return 0;
}
stdout
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No. of Requests: Request Sequence: Initial Head Position: Total Disk Size: Head Movement Direction (High=1, Low=0): Total Head Movement = 0
https://ideone.com/c9M0ZL
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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