Lab1_q3

#include <iostream>
#include <cmath>
using namespace std;

double * checkRoot(double a, double b, double c){
    static double arr[2] = {-1,-1};
    if(b*b-4*a*c >= 0){
        double d = sqrt(b*b-4*a*c);
        arr[0] = (-b+d)/(2*a);
        arr[1] = (-b-d)/(2*a);
    }
    return arr;
}

int main() {
    double a=2.0, b=5, c=3.1;
    double *arr;
    arr = checkRoot(a,b,c);
    cout << *arr<< endl;
    cout << *(arr+1)<< endl;
    return 0;
}