feat: add solutions to lc problem: No.2000

No.2000. Reverse Prefix of Word

Author: YangFong

solution/2000-2099/2000.Reverse Prefix of Word/README.md

@@ -117,6 +117,38 @@ func reversePrefix(word string, ch byte) string {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function reversePrefix(word: string, ch: string): string {
+    const chars = word.split('');
+    const i = word.indexOf(ch);
+    if (i !== -1) {
+        let l = 0;
+        let r = i;
+        while (l < r) {
+            [chars[l], chars[r]] = [chars[r], chars[l]];
+            l++;
+            r--;
+        }
+    }
+    return chars.join('');
+}
+```
+
+### **Rust**
+
+```rs
+impl Solution {
+    pub fn reverse_prefix(word: String, ch: char) -> String {
+        match word.find(ch) {
+            Some(i) => word[..=i].chars().rev().collect::<String>() + &word[i + 1..],
+            None => word,
+        }
+    }
+}
+```
+
 ### **...**
 
 ```

solution/2000-2099/2000.Reverse Prefix of Word/README_EN.md

@@ -110,6 +110,38 @@ func reversePrefix(word string, ch byte) string {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function reversePrefix(word: string, ch: string): string {
+    const chars = word.split('');
+    const i = word.indexOf(ch);
+    if (i !== -1) {
+        let l = 0;
+        let r = i;
+        while (l < r) {
+            [chars[l], chars[r]] = [chars[r], chars[l]];
+            l++;
+            r--;
+        }
+    }
+    return chars.join('');
+}
+```
+
+### **Rust**
+
+```rs
+impl Solution {
+    pub fn reverse_prefix(word: String, ch: char) -> String {
+        match word.find(ch) {
+            Some(i) => word[..=i].chars().rev().collect::<String>() + &word[i + 1..],
+            None => word,
+        }
+    }
+}
+```
+
 ### **...**
 
 ```

solution/2000-2099/2000.Reverse Prefix of Word/Solution.rs

@@ -0,0 +1,8 @@
+impl Solution {
+    pub fn reverse_prefix(word: String, ch: char) -> String {
+        match word.find(ch) {
+            Some(i) => word[..=i].chars().rev().collect::<String>() + &word[i + 1..],
+            None => word,
+        }
+    }
+}

solution/2000-2099/2000.Reverse Prefix of Word/Solution.ts

@@ -0,0 +1,14 @@
+function reversePrefix(word: string, ch: string): string {
+    const chars = word.split('');
+    const i = word.indexOf(ch);
+    if (i !== -1) {
+        let l = 0;
+        let r = i;
+        while (l < r) {
+            [chars[l], chars[r]] = [chars[r], chars[l]];
+            l++;
+            r--;
+        }
+    }
+    return chars.join('');
+}