557.反转字符串中的单词 III 提高效率

2021-11-16 17:42:56 +08:00 · 2021-11-16 17:42:56 +08:00 · 1da014d08e
parent 94f76f5ffe
commit 1da014d08e
1 changed files with 2 additions and 1 deletions
--- a/rust/src/implements/q0557.rs
+++ b/rust/src/implements/q0557.rs
@ -20,7 +20,8 @@ impl Solution {
    ///
    /// 👍 311 👎 0
    pub fn reverse_words(s: String) -> String {
-        s.split(' ').into_iter().map(|a| a.chars().rev().collect::<String>()).collect::<Vec<String>>().join(" ")
+        s.split(' ').into_iter().map(|a| unsafe { String::from_utf8_unchecked(a.bytes().rev().collect::<Vec<u8>>()) }).collect::<Vec<String>>().join(" ")
+        //s.split_whitespace().into_iter().map(|a| a.chars().rev().collect::<String>()).collect::<Vec<String>>().join(" ")
    }
 }