(TreeNode A, int B)
| 1 | public class Solution { |
| 2 | public ArrayList<Integer> solve(TreeNode A, int B) { |
| 3 | ArrayList<Integer> list = new ArrayList<>(); |
| 4 | if(A==null) return list; |
| 5 | travel(A,B,list); |
| 6 | return list; |
| 7 | } |
| 8 | public static boolean travel(TreeNode root, int B,ArrayList<Integer> list) |
| 9 | { |
| 10 | if(root==null) return false; |