태준이의 걱정

#include <iostream>
using namespace std;
int Answer;
int main(int argc, char** argv)
{
	int T, test_case, a, b, d;
	cin >> T;
	for (test_case = 0; test_case < T; test_case++)
	{
		cin >> a >> b >> d;
		Answer = 1;
		d -= a;
		a -= b;
		if (d > 0)
			Answer += d / a;
		if ((double)d / (double)a != d / a)
			++Answer;
		cout << "Case #" << test_case + 1 << endl;
		cout << Answer << endl;
	}
	return 0;
}