230630 점프와 순간 이동

public int solution(int n) {
	int ans = 0;

	while (n != 0) {
		if (isEven(n)) {
			n = divideByTwo(n);
		} else {
			n = decrementByOne(n);
			ans++;
		}
	}

	return ans;
}

private boolean isEven(int number) {
	return number % 2 == 0;
}

private int divideByTwo(int number) {
	return number / 2;
}

private int decrementByOne(int number) {
	return number - 1;
}

출처:https://school.programmers.co.kr/learn/courses/30/lessons/12980