import java.util.ArrayList;

 import java.util.List;

 public class CombinationSum39 {

     public static void main(String[] args) {

         CombinationSum39 cs = new CombinationSum39();

         int[] candidates = {,,,};

         for (List l1:cs.combinationSum(candidates,)){

             System.out.println(l1.toString());

             System.out.println();

         }

     }

     public List<List<Integer>> combinationSum(int[] candidates, int target) {

         List<List<Integer>> result = new ArrayList<List<Integer>>();

         combinationSum(result,new ArrayList<Integer>(),candidates,target,);

         return result;

     }

     public void combinationSum(List<List<Integer>> result, List<Integer> cur, int[] candidates, int target,int start) {

         if (target > ) {

             for (int i = start;i < candidates.length;i++) {

                 cur.add(candidates[i]);

                 combinationSum(result, cur, candidates, target-candidates[i],i);

                 cur.remove(cur.size() - );

             }

         }

         if (target == )

             result.add(new ArrayList<Integer>(cur));

     }

 }