[프로그래머스/Programmers] 이진 변환 반복하기 - Python

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코딩테스트 연습 - 이진 변환 반복하기

 

Solution

def solution(s):
    answer = [0, 0]

    while s != '1':
        count_0 = s.count('0')
        count_1 = s.count('1')

        answer[0] += 1
        answer[1] += count_0

        s = bin(count_1)[2:]

    return answer

🔑 key point: count(), bin()
📌 Tip: bin()[2:]