From 2d66c713f06609bfcbfa6099b4e858686ae620a2 Mon Sep 17 00:00:00 2001
From: fwqaaq <fwqaaq@gmail.com>
Date: Sat, 3 Jun 2023 13:58:57 +0800
Subject: [PATCH 1/2] =?UTF-8?q?Update=200121.=E4=B9=B0=E5=8D=96=E8=82=A1?=
 =?UTF-8?q?=E7=A5=A8=E7=9A=84=E6=9C=80=E4=BD=B3=E6=97=B6=E6=9C=BA.md=20abo?=
 =?UTF-8?q?ut=20rust?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0121.买卖股票的最佳时机.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/problems/0121.买卖股票的最佳时机.md b/problems/0121.买卖股票的最佳时机.md
index 753cb106..be8630f5 100644
--- a/problems/0121.买卖股票的最佳时机.md
+++ b/problems/0121.买卖股票的最佳时机.md
@@ -510,7 +510,22 @@ public class Solution
 }
 ```
 
+Rust:
 
+> 贪心
+
+```rust
+impl Solution {
+    pub fn max_profit(prices: Vec<i32>) -> i32 {
+        let (mut low, mut res) = (i32::MAX, 0);
+        for p in prices {
+            low = p.min(low);
+            res = res.max(p - low);
+        }
+        res
+    }
+}
+```
 
 
 <p align="center">

From b716a8ab44c06d9ff0b144774aa43b93efd75c90 Mon Sep 17 00:00:00 2001
From: fwqaaq <fwqaaq@gmail.com>
Date: Sat, 3 Jun 2023 14:05:04 +0800
Subject: [PATCH 2/2] =?UTF-8?q?Update=200121.=E4=B9=B0=E5=8D=96=E8=82=A1?=
 =?UTF-8?q?=E7=A5=A8=E7=9A=84=E6=9C=80=E4=BD=B3=E6=97=B6=E6=9C=BA.md?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0121.买卖股票的最佳时机.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/problems/0121.买卖股票的最佳时机.md b/problems/0121.买卖股票的最佳时机.md
index be8630f5..9c8a4390 100644
--- a/problems/0121.买卖股票的最佳时机.md
+++ b/problems/0121.买卖股票的最佳时机.md
@@ -527,6 +527,21 @@ impl Solution {
 }
 ```
 
+> 动态规划
+
+```rust
+impl Solution {
+    pub fn max_profit(prices: Vec<i32>) -> i32 {
+        let mut dp = vec![-prices[0], 0];
+        for p in prices {
+            dp[0] = dp[0].max(-p);
+            dp[1] = dp[1].max(dp[0] + p);
+        }
+        dp[1]
+    }
+}
+```
+
 
 <p align="center">
 <a href="https://programmercarl.com/other/kstar.html" target="_blank">