(TreeNode root)
| 2 | class Solution { |
| 3 | |
| 4 | public List<String> binaryTreePaths(TreeNode root) |
| 5 | { |
| 6 | ArrayList<String> list = new ArrayList<>(); |
| 7 | if(root==null) return list; |
| 8 | paths(root,"",list); |
| 9 | return list; |
| 10 | } |
| 11 | |
| 12 | public static boolean paths(TreeNode root,String S, ArrayList<String> list) |
| 13 | { |