Update 0205-isomorphic-strings.kt

Author: a93a

kotlin/0205-isomorphic-strings.kt

@@ -1,12 +1,16 @@
 class Solution {
     fun isIsomorphic(s: String, t: String): Boolean {
         val hm = HashMap<Char, Char>()
-        for(i in 0 until s.length){
-            if(s[i] !in hm.keys){
-                if(t[i] in hm.values) return false
+        
+        for (i in 0 until s.length) {
+            if (s[i] !in hm.keys) {
+                if (t[i] in hm.values) return false
                 hm.put(s[i], t[i])
-            }else if (hm.get(s[i]) != t[i]) return false
+            } else if (hm.get(s[i]) != t[i]) {
+                return false
+            }
         }
+        
         return true
     }
 }