2154.js

/** ------------------------------------------------------------------------------
 * 
 * 2154. Keep Multiplying Found Values by Two
 * Topics: 토픽
 * 릿코드 링크
 * 
 ------------------------------------------------------------------------------ */
var findFinalValue = function (nums, original) {
  nums.sort((a, b) => a - b)

  for (const num of nums) {
    if (num === original) {
      original *= 2
    }
  }
  return original

  // while (nums.includes(original)) {
  //   original = original * 2
  // }
  // return original
}

console.log(findFinalValue([5, 3, 6, 1, 12], 3))