solved: 345. Reverse Vowels of a String

Signed-off-by: rajput-hemant <[email protected]>

Author: rajput-hemant

src/0301-0400/345 - Reverse Vowels of a String/reverse_vowels_of_a_string.rs

@@ -0,0 +1,47 @@
+impl Solution {
+    pub fn reverse_vowels(s: String) -> String {
+        let mut s = s.into_bytes();
+        let (mut i, mut j) = (0, s.len() - 1);
+
+        while i < j {
+            if !Self::is_vowel(s[i] as char) {
+                i += 1;
+                continue;
+            }
+            if !Self::is_vowel(s[j] as char) {
+                j -= 1;
+                continue;
+            }
+            s.swap(i, j);
+            i += 1;
+            j -= 1;
+        }
+        String::from_utf8(s).unwrap()
+
+        // let mut chars: Vec<char> = s.chars().collect();
+        // let (mut i, mut j) = (0, chars.len() - 1);
+
+        // while i < j {
+        //     if !Self::is_vowel(chars[i]) {
+        //         i += 1;
+        //         continue;
+        //     }
+        //     if !Self::is_vowel(chars[j]) {
+        //         j -= 1;
+        //         continue;
+        //     }
+        //     chars.swap(i, j);
+        //     i += 1;
+        //     j -= 1;
+        // }
+
+        // chars.into_iter().collect()
+    }
+
+    fn is_vowel(ch: char) -> bool {
+        match ch {
+            'a' | 'e' | 'i' | 'o' | 'u' | 'A' | 'E' | 'I' | 'O' | 'U' => true,
+            _ => false,
+        }
+    }
+}