Create: 205-Isomorphic-Strings.ts

Author: loczek

typescript/205-Isomorphic-Strings.ts

@@ -0,0 +1,17 @@
+function isIsomorphic(s: string, t: string): boolean {
+    const mapST = {};
+    const mapTS = {};
+
+    for (let i = 0; i < s.length; i++) {
+        let c1 = s[i];
+        let c2 = t[i];
+
+        if ((mapST[c1] && mapST[c1] !== c2) || (mapTS[c2] && mapTS[c2] !== c1))
+            return false;
+
+        mapST[c1] = c2;
+        mapTS[c2] = c1;
+    }
+
+    return true;
+}