#include"stdafx.h"
#include <iostream>
#include <cmath>

using namespace std;

double F(double x) {
	return (pow(x, 4) - 13 * pow(x, 2) + 36 - (1 / x));
}

double BISECT(double Left, double Right, double Eps, int &N)
{
	double E = fabs(Eps)*2.0;
	double FLeft = F(Left);
	double FRight = F(Right);
	double X = (Left + Right) / 2.0;
	double Y;
	if (FLeft*FRight>0.0) { puts("Interval\n"); exit(1); }
	if (Eps <= 0.0) { puts("Tochnost\n"); exit(1); }
	N = 0;
	if (FLeft == 0.0)  return Left;
	if (FRight == 0.0) return Right;
	while ((Right - Left) >= E)
	{
		X = 0.5*(Right + Left);     /* âû÷èñëåíèå ñåðåäèíû îòðåçêà       */
		Y = F(X);
		if (Y == 0.0) return (X);
		if (Y*FLeft < 0.0)
			Right = X;
		else
		{
			Left = X; FLeft = Y;
		}
		N++;
	};
	return(X);
}

double Round(double X, double Delta)
{
	if (Delta <= 1E-9) {
		puts("tochnost");exit(1);}
			if (X>0.0) return (Delta*(long((X / Delta) + 0.5)));
			else return (Delta*(long((X / Delta) - 0.5)));
}

int main() {
	int N=0;
	cout <<BISECT(0.0, 0.03, 0.0001, N)<<endl;
	cout << N;
	return 0;
}