JSFiddle - React, Tailwind, and code Playground

by hescano

JavaScript

function duplicateEncode(word){
   var result = "";
   var index;
   for (var i = 0; i < word.length; i++) {
     index = word.indexOf(word[i]);
     result += (index > -1 && index !== i ? ")" : "(");
   }
   
   return result;
}

console.log(duplicateEncode("recede"))