알고리즘 콜라츠 추측

[알고리즘] 콜라츠 추측 Java

class Solution { public int solution(long num) { int answer = 0; while(num > 1) { num = num % 2 == 0 ? num / 2 : (num * 3) + 1; answer++; if(answer >= 500) { answer = -1; break; } } return answer; } }