ported BST validator

Author: bfaure

BST_Validator/main.py

@@ -0,0 +1,30 @@
+import sys
+
+class Node:
+	def __init__(self,value=None):
+		self.value=value
+		self.left_child=None 
+		self.right_child=None
+
+def validate_bst(root,min=-sys.maxsize,max=sys.maxsize):
+	if root==None:
+		return True
+	if (root.value>min and 
+		root.value<max and
+		validate_bst(root.left_child,min,root.value) and
+		validate_bst(root.right_child,root.value,max)):
+		return True
+	else:
+		return False
+
+root=Node(5)
+l1=Node(4)
+r1=Node(6)
+r2=Node(10)
+
+r1.right_child=r2
+
+root.left_child=l1
+root.right_child=r1
+
+print(validate_bst(root))