ProcedurProgramavimas_2.18

#include <iostream>
#include <cmath>
using namespace std;
int main()
{
    int n;
    cin>>n;
    for(int kek=0;kek<n;kek++){
    double a,b,c;
    cin>>a>>b>>c;
    cout<<fixed<<showpoint;
    cout.precision(6);
    if(a)
    {
        double d=b*b-4*a*c;
        double ba=-b/(2.0*a);
        if(d>0)
        {
            double sd=sqrt(d)/(2.0*a);
            if (a>0)
                cout<<"2";
            else
                cout<<"2";
        }else if(d==0)
            cout<<"1";
        else
            cout<<"0";
    }else if(b)
        cout<<"1";
    else if(c)
        cout<<"0";
    else
        cout<<"-1";
        cout<<endl;
    }
    return 0;
}