feat: add solutions to lc problem: No.3397

Author: yanglbme

solution/3300-3399/3397.Maximum Number of Distinct Elements After Operations/README.md

@@ -176,6 +176,28 @@ function maxDistinctElements(nums: number[], k: number): number {
 }
 ```
 
+#### Rust
+
+```rust
+impl Solution {
+    pub fn max_distinct_elements(mut nums: Vec<i32>, k: i32) -> i32 {
+        nums.sort();
+        let mut ans = 0;
+        let mut pre = i32::MIN;
+
+        for &x in &nums {
+            let cur = (x + k).min((x - k).max(pre + 1));
+            if cur > pre {
+                ans += 1;
+                pre = cur;
+            }
+        }
+
+        ans
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

solution/3300-3399/3397.Maximum Number of Distinct Elements After Operations/README_EN.md

@@ -174,6 +174,28 @@ function maxDistinctElements(nums: number[], k: number): number {
 }
 ```
 
+#### Rust
+
+```rust
+impl Solution {
+    pub fn max_distinct_elements(mut nums: Vec<i32>, k: i32) -> i32 {
+        nums.sort();
+        let mut ans = 0;
+        let mut pre = i32::MIN;
+
+        for &x in &nums {
+            let cur = (x + k).min((x - k).max(pre + 1));
+            if cur > pre {
+                ans += 1;
+                pre = cur;
+            }
+        }
+
+        ans
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

solution/3300-3399/3397.Maximum Number of Distinct Elements After Operations/Solution.rs

@@ -0,0 +1,17 @@
+impl Solution {
+    pub fn max_distinct_elements(mut nums: Vec<i32>, k: i32) -> i32 {
+        nums.sort();
+        let mut ans = 0;
+        let mut pre = i32::MIN;
+
+        for &x in &nums {
+            let cur = (x + k).min((x - k).max(pre + 1));
+            if cur > pre {
+                ans += 1;
+                pre = cur;
+            }
+        }
+
+        ans
+    }
+}