Create 0205-isomorphic-strings.kt

Author: a93a

Diff for: kotlin/0205-isomorphic-strings.kt

@@ -0,0 +1,12 @@
+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
+                hm.put(s[i], t[i])
+            }else if (hm.get(s[i]) != t[i]) return false
+        }
+        return true
+    }
+}