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- static public boolean isInPowerArray( String x, int i, String y )
- {
- String[] powerArray;
- powerArray = powerArray(x);
- try
- {
- return powerArray[i].equals(y);
- }
- catch(Exception e)
- {
- return false;
- }
- }
- static public String[] powerArray( String x )
- {
- java.util.List<String> f = new java.util.ArrayList<String>();
- f.add("");
- powerArray("", x, f);
- return f.toArray(new String[f.size()]);
- }
- static void powerArray(String prefix, String x, java.util.List<String> f)
- {
- if(prefix.length() != 0)
- {
- f.add(prefix);
- }
- for(int i=0; i!= x.length(); i++)
- {
- powerArray(prefix + String.valueOf(x.charAt(i)), x.substring(i + 1), f);
- }
- }
- public static void sort( String[] a )
- {
- }
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