Create: 0929-unique-email-addresses.rs

Author: AkifhanIlgaz

rust/0929-unique-email-addresses.rs

@@ -0,0 +1,18 @@
+use std::collections::HashSet;
+
+impl Solution {
+    pub fn num_unique_emails(emails: Vec<String>) -> i32 {
+        let mut unique_emails = HashSet::new();
+
+        for email in emails {
+            let (local, domain) = email.split_once("@").unwrap();
+
+            let mut local = local.split("+").take(1).next().unwrap().replace(".", "");
+
+            local = format!("{}@{}", local, domain);
+            
+            unique_emails.insert(local);
+        }
+        unique_emails.len() as i32
+    }
+}