[2] 이진 변환 반복하기

#include <string>
#include <vector>

using namespace std;

vector<int> solution(string s)
{
	vector<int> answer(2, 0);
	int zeroCount = 0, round = 0;

	while (s != "1")
	{
		string tmpStr = "";
		int size = 0, num;
		round++;

		for (int i = 0; i < s.size(); i++)
		{
			if (s[i] == '0')
				zeroCount++;
			else
				tmpStr += "1";
		}

		num = tmpStr.size();
		s = "";
		while (num > 0)
		{
			s += to_string(num % 2);
			num /= 2;
		}
	}
	answer[0] = round;
	answer[1] = zeroCount;
	return answer;
}