feat: add rust solution to lc problem: No.0228

solution/0200-0299/0228.Summary Ranges/README.md

@@ -135,6 +135,48 @@ public:
 };
 ```
 
+### **Rust**
+
+```rust
+impl Solution {
+    #[allow(dead_code)]
+    pub fn summary_ranges(nums: Vec<i32>) -> Vec<String> {
+        if nums.is_empty() {
+            return vec![];
+        }
+
+        let mut ret = Vec::new();
+        let mut start = nums[0];
+        let mut prev = nums[0];
+        let mut current = 0;
+        let n = nums.len();
+
+        for i in 1..n {
+            current = nums[i];
+            if current != prev + 1 {
+                if start == prev {
+                    ret.push(start.to_string());
+                } else {
+                    ret.push(start.to_string() + "->" + &prev.to_string());
+                }
+                start = current;
+                prev = current;
+            } else {
+                prev = current;
+            }
+        }
+
+        if start == prev {
+            ret.push(start.to_string());
+        } else {
+            ret.push(start.to_string() + "->" + &prev.to_string());
+        }
+
+        ret
+    }
+}
+```
+
 ### **Go**
 
 ```go

solution/0200-0299/0228.Summary Ranges/README_EN.md

@@ -127,6 +127,48 @@ public:
 };
 ```
 
+### **Rust**
+
+```rust
+impl Solution {
+    #[allow(dead_code)]
+    pub fn summary_ranges(nums: Vec<i32>) -> Vec<String> {
+        if nums.is_empty() {
+            return vec![];
+        }
+
+        let mut ret = Vec::new();
+        let mut start = nums[0];
+        let mut prev = nums[0];
+        let mut current = 0;
+        let n = nums.len();
+
+        for i in 1..n {
+            current = nums[i];
+            if current != prev + 1 {
+                if start == prev {
+                    ret.push(start.to_string());
+                } else {
+                    ret.push(start.to_string() + "->" + &prev.to_string());
+                }
+                start = current;
+                prev = current;
+            } else {
+                prev = current;
+            }
+        }
+
+        if start == prev {
+            ret.push(start.to_string());
+        } else {
+            ret.push(start.to_string() + "->" + &prev.to_string());
+        }
+
+        ret
+    }
+}
+```
+
 ### **Go**
 
 ```go

solution/0200-0299/0228.Summary Ranges/Solution.rs

@@ -0,0 +1,37 @@
+impl Solution {
+    #[allow(dead_code)]
+    pub fn summary_ranges(nums: Vec<i32>) -> Vec<String> {
+        if nums.is_empty() {
+            return vec![];
+        }
+
+        let mut ret = Vec::new();
+        let mut start = nums[0];
+        let mut prev = nums[0];
+        let mut current = 0;
+        let n = nums.len();
+
+        for i in 1..n {
+            current = nums[i];
+            if current != prev + 1 {
+                if start == prev {
+                    ret.push(start.to_string());
+                } else {
+                    ret.push(start.to_string() + "->" + &prev.to_string());
+                }
+                start = current;
+                prev = current;
+            } else {
+                prev = current;
+            }
+        }
+
+        if start == prev {
+            ret.push(start.to_string());
+        } else {
+            ret.push(start.to_string() + "->" + &prev.to_string());
+        }
+
+        ret
+    }
+}