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Ana.java
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Ana.java
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import java.util.*;
import java.io.*;
public class Ana
{
public static void main( String args[])
{
printAna("",args[0]);
}
private static void printAna(String prefix, String word)
{
if(word.length() == 1)
{
//System.out.println(prefix+word);
if(ChkifOrd(prefix+word))
System.out.println(prefix+word);
}
else
{
printAna(prefix+word.charAt(0), word.substring(1));
for(int i=1; i<= word.length()-2; i++)
printAna(prefix+word.charAt(i), word.substring(0,i)+ word.substring(i+1));
printAna(prefix+word.charAt(word.length()-1), word.substring(0,word.length()-1));
}
}
private static boolean ChkifOrd(String abc)
{
String word = abc.toLowerCase();
char arr[] = word.toCharArray();
int i;
for( i=0; i<word.length()-1 ; i++)
{
if(arr[i] > arr[i+1])
return false;
}
return true;
}
}