From 0b396e1652efaf3ab3a43480f2f926625b46c0f0 Mon Sep 17 00:00:00 2001
From: Shine wOng <1551885@tongji.edu.cn>
Date: Sun, 2 Jun 2019 15:00:24 +0800
Subject: [PATCH] add diagram of post-order traversal to chp5.md.

---
 thu_dsa/chp5/chp5.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/thu_dsa/chp5/chp5.md b/thu_dsa/chp5/chp5.md
index 31ee609..626808b 100644
--- a/thu_dsa/chp5/chp5.md
+++ b/thu_dsa/chp5/chp5.md
@@ -272,7 +272,7 @@ void BinNode<T>::inOrder_It2(VST &visit) {
 
 后续遍历的访问过程如下图所示：
 
-![后续遍历的访问过程]()
+![后续遍历的访问过程](images/postOrder.png)
 
 综上所述，后序遍历的非递归算法如下：