From 99caed4f61576f75bea5c824b89caf14997f7082 Mon Sep 17 00:00:00 2001
From: Haidong Ji
Date: Wed, 12 Jun 2019 20:10:34 -0500
Subject: Binary Search Tree check harder version done!

2 simple changes were all needed :)
---
 sources/tree_bst_check.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sources/tree_bst_check.py b/sources/tree_bst_check.py
index 28af017..b646d4c 100644
--- a/sources/tree_bst_check.py
+++ b/sources/tree_bst_check.py
@@ -21,13 +21,13 @@ def isBst(key, left, right):
             else:
                 i = keyIndexStack.pop()
                 if len(result) > 0:
-                    if key[i] <= result[-1]:
+                    if key[i] < result[-1]:
                         return False
                 result.append(key[i])
                 walkLeft = False
         else:
             if right[currentIndex] != -1:
-                if key[right[currentIndex]] <= key[currentIndex]:
+                if key[right[currentIndex]] < key[currentIndex]:
                     return False
                 currentIndex = right[currentIndex]
                 keyIndexStack.append(currentIndex)
-- 
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