From 07424b34fc51a1be688bd7ad9cfaa7e9248af947 Mon Sep 17 00:00:00 2001
From: ShusenTang <tangshusen@pku.edu.cn>
Date: Tue, 5 Nov 2019 16:20:07 +0800
Subject: [PATCH] add 123

---
 README.md                                             | 1 +
 solutions/123. Best Time to Buy and Sell Stock III.md | 3 +++
 2 files changed, 4 insertions(+)
 create mode 100644 solutions/123. Best Time to Buy and Sell Stock III.md

diff --git a/README.md b/README.md
index 43b369b..01a8531 100644
--- a/README.md
+++ b/README.md
@@ -101,6 +101,7 @@ My LeetCode solutions with Chinese explanation. 我的LeetCode中文题解。
 | 120 |[Triangle](https://leetcode.com/problems/triangle/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/120.%20Triangle.md)|Medium|  |
 | 121 |[Best Time to Buy and Sell Stock](https://leetcode.com/problems/best-time-to-buy-and-sell-stock)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/121.%20Best%20Time%20to%20Buy%20and%20Sell%20Stock.md)|Easy|  |
 | 122 |[Best Time to Buy and Sell Stock II](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/122.%20Best%20Time%20to%20Buy%20and%20Sell%20Stock%20II.md)|Easy|  |
+| 123 |[Best Time to Buy and Sell Stock III](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/123.%20Best%20Time%20to%20Buy%20and%20Sell%20Stock%20III.md)|Hard|  |
 | 125 |[Valid Palindrome](https://leetcode.com/problems/valid-palindrome)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/125.%20Valid%20Palindrome.md)|Easy|  |
 | 127 |[Word Ladder](https://leetcode.com/problems/word-ladder/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/127.%20Word%20Ladder.md)|Medium|  |
 | 129 |[Sum Root to Leaf Numbers](https://leetcode.com/problems/sum-root-to-leaf-numbers/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/129.%20Sum%20Root%20to%20Leaf%20Numbers.md)|Medium|  |
diff --git a/solutions/123. Best Time to Buy and Sell Stock III.md b/solutions/123. Best Time to Buy and Sell Stock III.md
new file mode 100644
index 0000000..09c4dd3
--- /dev/null
+++ b/solutions/123. Best Time to Buy and Sell Stock III.md	
@@ -0,0 +1,3 @@
+# [123. Best Time to Buy and Sell Stock III](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/)
+
+允许两次交易的股票买卖问题，属于LeetCode六道股票买卖题目之一，见我的博客文章[动态规划之股票买卖系列](https://shusentang.github.io/2019/11/03/Buy-and-Sell-Stock/)。
\ No newline at end of file