Merge pull request neetcode-gh#1868 from AkifhanIlgaz/0205

Create: 0205-isomorphic-strings.rs

Author: tahsintunan

rust/0205-isomorphic-strings.rs

@@ -0,0 +1,20 @@
+use std::collections::HashMap;
+
+impl Solution {
+    pub fn is_isomorphic(s: String, t: String) -> bool {
+        let (mut map_s_to_t, mut map_t_to_s) = (HashMap::new(), HashMap::new());
+
+        for (c1, c2) in s.chars().zip(t.chars()) {
+            if (map_s_to_t.contains_key(&c1) && map_s_to_t.get(&c1) != Some(&c2))
+                || (map_t_to_s.contains_key(&c2) && map_t_to_s.get(&c2) != Some(&c1))
+            {
+                return false;
+            }
+
+            map_s_to_t.insert(c1, c2);
+            map_t_to_s.insert(c2, c1);
+        }
+
+        true
+    }
+}