fork download
copy 
  1. // Algoritma PICK UP
  2. // Diketahui disk mempunyai 100 track dg nomor urut 0 99,
  3. // antrian akses track dengan saat awal 50 (letak head R/W)
  4. // 60 43 49 12 35 27 6 95 5 80 9 73 64 90 55 92
  5.  
  6. void main() {
  7.   int initialTrack = 50;
  8.   List<int> trackQueue = [
  9.     60,
  10.     43,
  11.     49,
  12.     12,
  13.     35,
  14.     27,
  15.     6,
  16.     95,
  17.     5,
  18.     80,
  19.     9,
  20.     73,
  21.     64,
  22.     90,
  23.     55,
  24.     92
  25.   ];
  26.  
  27.   List<int> pickUpQueue(List<int> queue) {
  28.     // Insert initial tract to the queue
  29.     queue.insert(0, initialTrack);
  30.  
  31.     // Sort the queue to ascending order
  32.     queue.sort();
  33.  
  34.     var highestQueue = queue.where((test) => test > initialTrack);
  35.     var lowesQueue =
  36.         queue.where((test) => test < initialTrack).toList().reversed;
  37.  
  38.     return [...highestQueue, ...lowesQueue];
  39.   }
  40.  
  41.   List<int> pickedUpQueue = pickUpQueue(trackQueue);
  42.   print('Picked Up Queue: ${pickedUpQueue.join(' -> ')}');
  43. }
  44.  
Success #stdin #stdout 1.1s 120320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/xTijsK
language:
Dart (dart 2.3.0)
created:
2 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!