#include <iostream>
#include <string>
#include <iostream>
#include <cmath>


using namespace std;

double function(double a, double b, double x) {
	double res;
	res = 1 / x - log(a*x + b);
	return res;
}


double HalfDivisionMethod(double xl, double xr, double eps, double a, double b) {
	double x = (xl + xr) / 2;
	if (abs(function(a, b, x)) < eps) return x;
	double fl = function(a, b, xl);
	double fx = function(a, b, x);
	if (fl*fx < 0) {
		cout <<"x = "<< x <<endl;
		cout << "fl = " << fl << endl;
		cout << "fx = " << fx << endl;
		cout << "xl = " << xl << endl;
		cout << "xr = " << xr << endl;
		cout << "Идем влево" << endl<<endl;

		HalfDivisionMethod(xl, x, eps, a, b);

	}
	else {
		cout << "x = " << x << endl;
		cout << "fl = " << fl << endl;
		cout << "fx = " << fx << endl;
		cout << "xl = " << xl << endl;
		cout << "xr = " << xr << endl;
		cout << "Идем вправо" << endl << endl;
		HalfDivisionMethod(x, xr, eps, a, b);
	}


}
int main()
{
	setlocale(LC_ALL, "Rus");
	cout << "Hello, world!";
	cout << HalfDivisionMethod(0.1, 1, 0.00001, 3, 5);
	int a;
	cin >> a;
	return 0;
}