python - greater tree

  • 0
    # Definition for a binary tree node.
    # class TreeNode(object):
    #     def __init__(self, x):
    #         self.val = x
    #         self.left = None
    #         self.right = None
    class Solution(object):
        def inorder(self, root, run_sum):
            if not root:
                return run_sum
            root.val += self.inorder(root.right, run_sum)
            return self.inorder(root.left, root.val)
        def convertBST(self, root):
            :type root: TreeNode
            :rtype: TreeNode
            self.inorder(root, 0)
            return root

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