Short python solution


  • 0
    Y
    class Solution(object):
        def lowestCommonAncestor(self, root, p, q):
            if not root:
                return None
            
            if root is p or root is q:
                return root
            
            if p.val < root.val < q.val or q.val < root.val < p.val:
                return root
            
            if p.val < root.val:
                return self.lowestCommonAncestor(root.left, p, q)
            else:
                return self.lowestCommonAncestor(root.right, p, q)

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