text: /**
   * There's a list of file, since two files cannot have equal names,
   * the one which comes later will have a suffix (k),
   * where k is the smallest integer such that the found name is not used yet.
   *
   * Return an array of names that will be given to the files.
   *
   * @param {Array} names
   * @return {Array}
   *
   * @example
   * For input ["file", "file", "image", "file(1)", "file"],
   * the output should be ["file", "file(1)", "image", "file(1)(1)", "file(2)"]
   *
   */
  function renameFiles(name) {
    const obj = {};
    const answer = [];
    for (let i = 0; i < name.length; i++) {
      if (obj[name[i]] === undefined) {
        answer.push(name[i]);
        obj[name[i]] = 0;
      } else {
        obj[name[i]] += 1;
        obj[`${name[i]}(${obj[name[i]]})`] = 0;
        answer.push(`${name[i]}(${obj[name[i]]})`);
      }
    }
    return answer;
  }
  
  module.exports = renameFiles;
  