@@ -0,0 +1,909 @@
+public class Solution %7B%0A    public List%3CList%3CInteger%3E%3E combinationSum2(int%5B%5D num, int target) %7B%0A        List%3CList%3CInteger%3E%3E results = new ArrayList%3C%3E ();%0A        List%3CInteger%3E cur = new ArrayList %3C%3E ();%0A        Arrays.sort(num);%0A        %0A        helper(num, 0, target, cur, results);%0A        return results;%0A    %7D%0A    %0A    private void helper(int %5B%5D num, int s, int target, List%3CInteger%3E cur, List%3CList%3CInteger%3E%3E results) %7B%0A        if (target == 0) %7B%0A            results.add(new ArrayList%3CInteger%3E (cur));%0A            return;%0A        %7D%0A        if (s %3E= num.length %7C%7C target %3C 0)%7B%0A            return;%0A        %7D%0A        %0A        for(int i=s; i%3Cnum.length && num%5Bs%5D %3C= target; i++) %7B%0A            if(i%3Es && num%5Bi%5D == num%5Bi-1%5D) %7B%0A                continue;%0A            %7D%0A            cur.add(num%5Bi%5D);%0A            helper(num, i+1, target-num%5Bi%5D, cur, results);%0A            cur.remove(cur.size()-1);%0A        %7D%0A    %7D%0A%7D%0A

Create Combination_Sum_II.java