1.1.19

#include <iostream>
#include <math.h>
#include <iomanip>
using namespace std;

int main1_1()
{
    // No I.19
    double a, b, c, y;

    cout << "Enter a, b, c = ";
    cin >> a >> b >> c;
    cout << endl;

    y = ( b + sqrt(pow(b, 2) + 4*a*c) ) / (2*a) - pow(a,3) + pow(b, -2);

    cout << "Result = "<< setprecision(5)<< y << endl;
    return 0;
}