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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.         System.out.println(p("!!!0x!!1"));
  13. 		System.out.println(p("1xaa1l0&0bx!a1&!0&1bb"));
  14. 	}
  15.  
  16.     static String p(String s){
  17.         int x,y;
  18.         while((y=s.indexOf("b"))>=0){
  19.             x=s.lastIndexOf("a",y);
  20.             s=s.replaceAll(s.substring(x,y+1),p(s.substring(x+1,y)));
  21.         }
  22.         String t,a="1",b="0";
  23.         while(s.indexOf("!")>=0){
  24.             s=s.replaceAll("!0",a);
  25.             s=s.replaceAll("!1",b);
  26.         }
  27.         while(s.length()>1){
  28.             t=s.substring(0,3);
  29.             if(t.charAt(1)=='l')
  30.                 s=s.replaceFirst(t,t.equals("0l0")?b:a);
  31.             else if(t.charAt(1)=='&')
  32.                 s=s.replaceFirst(t,t.equals("1&1")?a:b);
  33.             else
  34.                 s=s.replaceFirst(t,t.charAt(0)==t.charAt(2)?b:a);
  35.         }
  36.         return s;
  37.     }
  38.  
  39. }
Success #stdin #stdout 0.1s 320512KB
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https://ideone.com/YQDh1V
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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