feat: add rust solution to lc problem: No.0722 (doocs#1358)

Author: thinkasany

solution/0400-0499/0470.Implement Rand10() Using Rand7()/Solution.rs

@@ -15,4 +15,4 @@
             }
         }
     }
-}
+}

solution/0700-0799/0722.Remove Comments/README.md

@@ -285,6 +285,48 @@ function removeComments(source: string[]): string[] {
 }
 ```
 
+### **Rust**
+
+```rust
+impl Solution {
+    pub fn remove_comments(source: Vec<String>) -> Vec<String> {
+        let mut ans: Vec<String> = Vec::new();
+        let mut t: Vec<String> = Vec::new();
+        let mut blockComment = false;
+
+        for s in &source {
+            let m = s.len();
+            let mut i = 0;
+            while i < m {
+                if blockComment {
+                    if i + 1 < m && &s[i..i + 2] == "*/" {
+                        blockComment = false;
+                        i += 2;
+                    } else {
+                        i += 1;
+                    }
+                } else {
+                    if i + 1 < m && &s[i..i + 2] == "/*" {
+                        blockComment = true;
+                        i += 2;
+                    } else if i + 1 < m && &s[i..i + 2] == "//" {
+                        break;
+                    } else {
+                        t.push(s.chars().nth(i).unwrap().to_string());
+                        i += 1;
+                    }
+                }
+            }
+            if !blockComment && !t.is_empty() {
+                ans.push(t.join(""));
+                t.clear();
+            }
+        }
+        ans
+    }
+}
+```
+
 ### **...**
 
 ```

solution/0700-0799/0722.Remove Comments/README_EN.md

@@ -261,6 +261,48 @@ function removeComments(source: string[]): string[] {
 }
 ```
 
+### **Rust**
+
+```rust
+impl Solution {
+    pub fn remove_comments(source: Vec<String>) -> Vec<String> {
+        let mut ans: Vec<String> = Vec::new();
+        let mut t: Vec<String> = Vec::new();
+        let mut blockComment = false;
+
+        for s in &source {
+            let m = s.len();
+            let mut i = 0;
+            while i < m {
+                if blockComment {
+                    if i + 1 < m && &s[i..i + 2] == "*/" {
+                        blockComment = false;
+                        i += 2;
+                    } else {
+                        i += 1;
+                    }
+                } else {
+                    if i + 1 < m && &s[i..i + 2] == "/*" {
+                        blockComment = true;
+                        i += 2;
+                    } else if i + 1 < m && &s[i..i + 2] == "//" {
+                        break;
+                    } else {
+                        t.push(s.chars().nth(i).unwrap().to_string());
+                        i += 1;
+                    }
+                }
+            }
+            if !blockComment && !t.is_empty() {
+                ans.push(t.join(""));
+                t.clear();
+            }
+        }
+        ans
+    }
+}
+```
+
 ### **...**
 
 ```

solution/0700-0799/0722.Remove Comments/Solution.rs

@@ -0,0 +1,37 @@
+impl Solution {
+    pub fn remove_comments(source: Vec<String>) -> Vec<String> {
+        let mut ans: Vec<String> = Vec::new();
+        let mut t: Vec<String> = Vec::new();
+        let mut blockComment = false;
+
+        for s in &source {
+            let m = s.len();
+            let mut i = 0;
+            while i < m {
+                if blockComment {
+                    if i + 1 < m && &s[i..i + 2] == "*/" {
+                        blockComment = false;
+                        i += 2;
+                    } else {
+                        i += 1;
+                    }
+                } else {
+                    if i + 1 < m && &s[i..i + 2] == "/*" {
+                        blockComment = true;
+                        i += 2;
+                    } else if i + 1 < m && &s[i..i + 2] == "//" {
+                        break;
+                    } else {
+                        t.push(s.chars().nth(i).unwrap().to_string());
+                        i += 1;
+                    }
+                }
+            }
+            if !blockComment && !t.is_empty() {
+                ans.push(t.join(""));
+                t.clear();
+            }
+        }
+        ans
+    }
+}