Java Recursive


  • 1
    N

    Java Recursive

    public class Solution {
        public int sumOfLeftLeaves(TreeNode root) {
            if (root == null) return 0;
            
            if (root.left != null && root.left.left == null && root.left.right == null) {
                return root.left.val + sumOfLeftLeaves(root.right);
            } else {
                return sumOfLeftLeaves(root.left) + sumOfLeftLeaves(root.right);
            }
        }
    }
    

Log in to reply
 

Looks like your connection to LeetCode Discuss was lost, please wait while we try to reconnect.