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Dec 14th, 2018
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  1. int[] sortByHeight(int[] a) {
  2.  
  3. List<Integer> index = new ArrayList<>();
  4. List<Integer> arraylist = new ArrayList<>();
  5.  
  6. for (int i : a){
  7. arraylist.add(i);
  8. }
  9.  
  10. for (int i = 0; i < arraylist.size(); i++){
  11. if(arraylist.get(i) == -1){
  12. index.add(i);
  13. arraylist.remove(i);
  14. }
  15. }
  16.  
  17. Collections.sort(arraylist);
  18.  
  19. for(int i = 0; i < index.size(); i++){
  20. arraylist.add(index.get(i), -1);
  21. }
  22.  
  23. int[] b = new int[arraylist.size()];
  24.  
  25. for(int i = 0; i < b.length; i++){
  26. b[i] = arraylist.get(i).intValue();
  27. }
  28.  
  29. return b;
  30. }
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