From 73590631ec3e17e727cca5a56024a07967946668 Mon Sep 17 00:00:00 2001
From: fwqaaq <fwqaaq@gmail.com>
Date: Sat, 27 May 2023 18:49:18 +0800
Subject: [PATCH 1/3] =?UTF-8?q?Update=200518.=E9=9B=B6=E9=92=B1=E5=85=91?=
 =?UTF-8?q?=E6=8D=A2II.md=20=E4=BC=98=E5=8C=96=20Rust?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0518.零钱兑换II.md | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/problems/0518.零钱兑换II.md b/problems/0518.零钱兑换II.md
index c208754f..8da35114 100644
--- a/problems/0518.零钱兑换II.md
+++ b/problems/0518.零钱兑换II.md
@@ -282,17 +282,18 @@ func change(amount int, coins []int) int {
 
 Rust:
 ```rust
-pub fn change(amount: i32, coins: Vec<i32>) -> i32 {
-    let amount = amount as usize;
-    let coins = coins.iter().map(|&c|c as usize).collect::<Vec<usize>>();
-    let mut dp = vec![0usize; amount + 1];
-    dp[0] = 1;
-    for i in 0..coins.len() {
-        for j in coins[i]..=amount {
-            dp[j] += dp[j - coins[i]];
+impl Solution {
+    pub fn change(amount: i32, coins: Vec<i32>) -> i32 {
+        let amount = amount as usize;
+        let mut dp = vec![0; amount + 1];
+        dp[0] = 1;
+        for coin in coins {
+            for j in coin as usize..=amount {
+                dp[j] += dp[j - coin as usize];
+            }
         }
+        dp[amount]
     }
-    dp[amount] as i32
 }
 ```
 

From b76f5b6bffc6f53d81c7afdd6f05853f0577d68e Mon Sep 17 00:00:00 2001
From: fwqaaq <fwqaaq@gmail.com>
Date: Sat, 27 May 2023 23:14:11 +0800
Subject: [PATCH 2/3] =?UTF-8?q?Update=200377.=E7=BB=84=E5=90=88=E6=80=BB?=
 =?UTF-8?q?=E5=92=8C=E2=85=A3.md=20=E4=BC=98=E5=8C=96=20rust?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0377.组合总和Ⅳ.md | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/problems/0377.组合总和Ⅳ.md b/problems/0377.组合总和Ⅳ.md
index ee659723..ec579060 100644
--- a/problems/0377.组合总和Ⅳ.md
+++ b/problems/0377.组合总和Ⅳ.md
@@ -253,16 +253,17 @@ Rust
 ```Rust
 impl Solution {
     pub fn combination_sum4(nums: Vec<i32>, target: i32) -> i32 {
-        let mut dp = vec![0; target as usize + 1];
+        let target = target as usize;
+        let mut dp = vec![0; target + 1];
         dp[0] = 1;
-        for i in 1..=target as usize {
-            for &j in nums.iter() {
-                if i as i32 >= j {
-                    dp[i] += dp[i- j as usize];
+        for i in 1..=target {
+            for &n in &nums {
+                if i >= n as usize {
+                    dp[i] += dp[i - n as usize];
                 }
             }
         }
-        return dp[target as usize];
+        dp[target]
     }
 }
 ```

From 824ce31f87024fb4d7cc4e4fccdb9c56a761d0cb Mon Sep 17 00:00:00 2001
From: fwqaaq <fwqaaq@gmail.com>
Date: Sat, 27 May 2023 23:28:33 +0800
Subject: [PATCH 3/3] =?UTF-8?q?Update=200070.=E7=88=AC=E6=A5=BC=E6=A2=AF?=
 =?UTF-8?q?=E5=AE=8C=E5=85=A8=E8=83=8C=E5=8C=85=E7=89=88=E6=9C=AC.md=20abo?=
 =?UTF-8?q?ut=20rust?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0070.爬楼梯完全背包版本.md | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/problems/0070.爬楼梯完全背包版本.md b/problems/0070.爬楼梯完全背包版本.md
index 8f8bc9a6..5dde6409 100644
--- a/problems/0070.爬楼梯完全背包版本.md
+++ b/problems/0070.爬楼梯完全背包版本.md
@@ -225,8 +225,25 @@ function climbStairs(n: number): number {
 };
 ```
 
+Rust:
 
-
+```rust
+impl Solution {
+    pub fn climb_stairs(n: i32) -> i32 {
+        let (n, m) = (n as usize, 2);
+        let mut dp = vec![0; n + 1];
+        dp[0] = 1;
+        for i in 1..=n {
+            for j in 1..=m {
+                if i >= j {
+                    dp[i] += dp[i - j];
+                }
+            }
+        }
+        dp[n]
+    }
+}
+```
 
 <p align="center">
 <a href="https://programmercarl.com/other/kstar.html" target="_blank">