Time: 81 ms (88.97%), Space: 43.8 MB (45.45%) - LeetHub

Author: nhemnt

205-isomorphic-strings/205-isomorphic-strings.js

@@ -0,0 +1,20 @@
+/**
+ * @param {string} s
+ * @param {string} t
+ * @return {boolean}
+ */
+var isIsomorphic = function(s, t) {
+    const m = new Map();
+    for(let i =0; i< s.length; i++){
+     const k =`_${t[i]}`
+      if(!m.has(s[i])){
+        if(m.has(k) && m.get(k) !== s[i]) return false;
+        m.set(s[i], t[i])
+        m.set(`_${t[i]}`, s[i])
+      }else if(m.get(s[i]) !== t[i]){
+        return false;
+      };
+
+    }
+  return true;
+};