update leetcode

leetcode_rs/problems/p125/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "p125"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

leetcode_rs/problems/p125/src/main.rs

@@ -0,0 +1,18 @@
+fn is_palindrome(s: String) -> bool {
+    if s.is_empty() {
+        return true;
+    }
+    let s: String = s
+        .chars()
+        .filter(|c| c.is_alphabetic() || c.is_ascii_digit())
+        .map(|c| c.to_ascii_lowercase())
+        .collect();
+
+    let rev_s: String = s.chars().rev().collect();
+    s == rev_s
+}
+
+fn main() {
+    dbg!(is_palindrome("A man, a plan, a canal: Panama".to_string()));
+    dbg!(is_palindrome("0P".to_string()));
+}