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authorjack <0x6A73@pm.me>2024-06-14 13:13:15 -0600
committerjack <0x6A73@pm.me>2024-06-14 13:13:15 -0600
commitd343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa (patch)
tree96df922dae2a5073d9a50ea70c7aae6aa37e3ebe /reverse_vowel_string.rs
downloadleetcode-d343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa.tar.gz
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initial
Diffstat (limited to 'reverse_vowel_string.rs')
-rw-r--r--reverse_vowel_string.rs33
1 files changed, 33 insertions, 0 deletions
diff --git a/reverse_vowel_string.rs b/reverse_vowel_string.rs
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+++ b/reverse_vowel_string.rs
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+struct Solution;
+
+impl Solution {
+ pub fn reverse_vowels(s: String) -> String {
+ let (mut i, mut j) = (0, s.len().checked_sub(1).unwrap_or(0));
+ let mut cs = s.chars().collect::<Vec<char>>();
+ while i < j {
+ if !Self::is_vowel(cs[i].to_ascii_lowercase()) {
+ i += 1;
+ continue
+ }
+ if !Self::is_vowel(cs[j].to_ascii_lowercase()) {
+ j -= 1;
+ continue
+ }
+ cs.swap(i, j);
+ i += 1;
+ j -= 1;
+ }
+ cs.iter().collect()
+ }
+ fn is_vowel(c: char) -> bool {
+ match c {
+ 'a' | 'e' | 'i' | 'o' | 'u' => true,
+ _ => false
+ }
+ }
+}
+
+fn main() {
+ let s = "hello".to_string();
+ print!("{}", Solution::reverse_vowels(s));
+}