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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		        LinkedList<Integer> integers = new LinkedList<Integer>();
  13.  
  14.         integers.add(1);
  15.         integers.add(2);
  16.         integers.add(3);
  17.         integers.add(5);
  18.                 integers.add(5);
  19.         integers.add(5);
  20.         integers.add(6);
  21.         integers.add(6);
  22.         integers.add(3);
  23.         integers.add(2);
  24.         integers.add(7);
  25.  
  26.         int current = integers.getFirst();
  27.         int past = current;
  28.         int iterator = 0;
  29.         int NumOfRemoveProcess = 0;
  30.  
  31.         while (integers.size() > iterator+1){
  32.             iterator++;
  33.             current = integers.get(iterator);
  34.  
  35.             if(past == current){
  36.                 NumOfRemoveProcess ++;
  37.                 integers.remove(iterator);
  38.                 iterator --;
  39.             }
  40.             else if(NumOfRemoveProcess>0){
  41.                 iterator --;
  42.                 integers.remove(iterator);
  43.                 iterator--;
  44.                 NumOfRemoveProcess = 0;
  45.                 past = integers.get(iterator);
  46.             }
  47.             else
  48.                 past = current;
  49.         }
  50.  
  51.         System.out.println(integers);
  52. 	}
  53. }
Success #stdin #stdout 0.1s 320256KB
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[1, 7]
https://ideone.com/f3RyX8
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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