From ee8646a12e0047bc7a2f2adc1a8d4a3973875a22 Mon Sep 17 00:00:00 2001
From: xiaolatiao <1628652790@qq.com>
Date: Sat, 15 Jul 2023 09:32:23 +0800
Subject: [PATCH] feat: add rust solution to lc problem: No.2566

Signed-off-by: xiaolatiao <1628652790@qq.com>
---
 .../README.md                                 | 33 +++++++++++++++++++
 .../README_EN.md                              | 33 +++++++++++++++++++
 2 files changed, 66 insertions(+)

diff --git a/solution/2500-2599/2566.Maximum Difference by Remapping a Digit/README.md b/solution/2500-2599/2566.Maximum Difference by Remapping a Digit/README.md
index d1d8aa9643dc4..2b945bfeed51f 100644
--- a/solution/2500-2599/2566.Maximum Difference by Remapping a Digit/README.md	
+++ b/solution/2500-2599/2566.Maximum Difference by Remapping a Digit/README.md	
@@ -197,6 +197,39 @@ impl Solution {
 }
 ```
 
+```rust
+impl Solution {
+    pub fn min_max_difference(num: i32) -> i32 {
+        let mut s = num.to_string().into_bytes();
+        let first = s[0];
+        for i in 0..s.len() {
+            if s[i] == first {
+                s[i] = b'0';
+            }
+        }
+        let mi = String::from_utf8_lossy(&s).parse::<i32>().unwrap();
+
+        let mut t = num.to_string().into_bytes();
+        for i in 0..t.len() {
+            if t[i] != b'9' {
+                let second = t[i];
+
+                for j in 0..t.len() {
+                    if t[j] == second {
+                        t[j] = b'9';
+                    }
+                }
+
+                let mx = String::from_utf8_lossy(&t).parse::<i32>().unwrap();
+                return mx - mi;
+            }
+        }
+
+        num - mi
+    }
+}
+```
+
 ### **C**
 
 ```c
diff --git a/solution/2500-2599/2566.Maximum Difference by Remapping a Digit/README_EN.md b/solution/2500-2599/2566.Maximum Difference by Remapping a Digit/README_EN.md
index 4c89b8400a644..2bc82fbae9635 100644
--- a/solution/2500-2599/2566.Maximum Difference by Remapping a Digit/README_EN.md	
+++ b/solution/2500-2599/2566.Maximum Difference by Remapping a Digit/README_EN.md	
@@ -175,6 +175,39 @@ impl Solution {
 }
 ```
 
+```rust
+impl Solution {
+    pub fn min_max_difference(num: i32) -> i32 {
+        let mut s = num.to_string().into_bytes();
+        let first = s[0];
+        for i in 0..s.len() {
+            if s[i] == first {
+                s[i] = b'0';
+            }
+        }
+        let mi = String::from_utf8_lossy(&s).parse::<i32>().unwrap();
+
+        let mut t = num.to_string().into_bytes();
+        for i in 0..t.len() {
+            if t[i] != b'9' {
+                let second = t[i];
+
+                for j in 0..t.len() {
+                    if t[j] == second {
+                        t[j] = b'9';
+                    }
+                }
+
+                let mx = String::from_utf8_lossy(&t).parse::<i32>().unwrap();
+                return mx - mi;
+            }
+        }
+
+        num - mi
+    }
+}
+```
+
 ### **C**
 
 ```c