float a;
    float b;
    float c;

    cout << "Podaj bok a: ";
    cin >> a;
    cout << "Podaj bok b: ";
    cin >> b;
    cout << "Podaj bok c: ";
    cin >> c;

    if(a*a + b*b == c*c)
    {
        cout << "Trojkat jest prostokatny" << endl;
    }
    else if(a*a + c*c == b*b)
    {
        cout << "Trojkat jest prostokatny" << endl;
    }


    return 0;