[Programmers/JavaScript/Lv.1] 콜라츠 추측 정답

정답

function solution(num) {
  if (num === 1) {
    return 0;
  }
  let number = num;
  let count = 0;
  do {
    if (number % 2 === 0) {
      number = number / 2;
      count++;
    } else {
      number = number * 3 + 1;
      count++;
    }
    if (500 < count) {
      return -1;
    }
  } while (number !== 1);
  return count;
}

https://school.programmers.co.kr/learn/courses/30/lessons/12943

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