Created
March 13, 2013 22:56
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public class Solution { | |
public ArrayList<ArrayList<String>> partition(String s) { | |
// Start typing your Java solution below | |
// DO NOT write main() function | |
ArrayList<ArrayList<String>> list=new ArrayList<ArrayList<String>>(); | |
int length=s.length(); | |
if(length==0) return list; | |
part(s, 0, new ArrayList<String>(), list); | |
return list; | |
} | |
void part(String s, int start, ArrayList<String> subList, ArrayList<ArrayList<String>> list) | |
{ | |
if(start==s.length()) | |
{ | |
list.add(new ArrayList<String> (subList) ); return ; | |
} | |
for(int i=start+1; i<=s.length(); i++) | |
{ | |
if(palindrome(s, start, i-1)) | |
{ | |
subList.add(s.substring(start, i)); | |
part(s, i , subList, list); | |
subList.remove(subList.size()-1); | |
} | |
} | |
} | |
boolean palindrome(String s, int i, int j) | |
{ | |
while(i<j) | |
{ | |
if(s.charAt(i)!=s.charAt(j)) return false; | |
i++; | |
j--; | |
} | |
return true; | |
} | |
} |
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