달팽이는 올라가고 싶다

#include <iostream>
using namespace std;

int main()
{
	int A, B, V;

	cin >> A >> B >> V;

	if (A >= V)
		cout << 1 << "\n";
	else if ((V - A) <= (A - B))
		cout << 2 << "\n";
	else 
	{
		int value = (V - A) / (A - B);
		if ((V - A) % (A - B) == 0)
		{
			cout << value + 1 << "\n";
		}
		else
		{
			cout << value + 2 << "\n";
		}
	}
	return 0;
}