From 360c4995f96f88031cb4d4176518dd358bf6410f Mon Sep 17 00:00:00 2001
From: kamyu <kamyu104@users.noreply.github.com>
Date: Thu, 8 Feb 2018 21:42:45 +0800
Subject: [PATCH] Create split-bst.py

---
 Python/split-bst.py | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 Python/split-bst.py

diff --git a/Python/split-bst.py b/Python/split-bst.py
new file mode 100644
index 000000000..ced0963bc
--- /dev/null
+++ b/Python/split-bst.py
@@ -0,0 +1,27 @@
+# Time:  O(n)
+# Space: O(h)
+
+# 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 splitBST(self, root, V):
+        """
+        :type root: TreeNode
+        :type V: int
+        :rtype: List[TreeNode]
+        """
+        if not root:
+            return None, None
+        elif root.val <= V:
+            result = self.splitBST(root.right, V)
+            root.right = result[0]
+            return root, result[1]
+        else:
+            result = self.splitBST(root.left, V)
+            root.left = result[1]
+            return result[0], root