If duplicate values are allowed ::
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class PartionNumber {
public static void main(String[] args) {
System.out.println("Enter the number");
InputStreamReader ifn = new InputStreamReader(System.in);
BufferedReader buf = new BufferedReader(ifn);
try{
String n =buf.readLine();
int number = Integer.parseInt(n);
int i=-1;
functionPartion(number,i);
System.out.println("0 "+number);
}catch(Exception e){
e.printStackTrace();
}
}
private static void functionPartion(int number,int a) {
a=a+1;
if(number!=0){
System.out.println(number+ " " +a);
functionPartion(number-1, a);
}
}
}
Thanks and many regards,
Sreeprasad
On Sun, Feb 6, 2011 at 7:29 PM, Wei.QI <qiw...@gmail.com> wrote:
> public static ArrayList<ArrayList<Integer>> Partition(int val, int start,
> int size) {
>
> ArrayList<ArrayList<Integer>> r = new ArrayList<ArrayList<Integer>>();
>
> if (start * size > val) {
> return null;
> }
>
> if(size == 1)
> {
> r.add(new ArrayList<Integer>());
> r.get(0).add(val);
> return r;
> }
>
> for (int i = start; i <= val/size; i++) {
> ArrayList<ArrayList<Integer>> tr = Partition(val - i, i, size - 1);
> if (tr != null) {
> for (int j = 0; j < tr.size(); j++) {
> ArrayList<Integer> subr = tr.get(j);
> subr.add(i);
> }
> r.addAll(tr);
> }
> }
> return r;
>
> }
>
> On Sun, Feb 6, 2011 at 7:51 AM, Gajendra Dadheech <gajju3...@gmail.com>wrote:
>
>> Write a function to print all unique partitions on n tht are of size m.
>> eg: n=10, m=4. it should print 7 1 1 1, 6 2 1 1, 5 3 1 1, 3 3 2 2,, so on
>>
>>
>>
>> Thanks and regards,
>> Gajendra Dadheech
>> hi
>>
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