Determining Program Area of ​​Circles & Balls Volume

# Include <iostream>  
# Include <conio> 

   class count {
   friend ostream & operator <<(ostream &, const count &);
   friend istream & operator>> (istream &, & count); public:
  
 count ();
   hitung_luas void () {area = (3.14 * r * r);}    / / formula to find area of ​​a circle
   hitung_volum void () {volume = (3.14 * (r * r * r) * 4 / 3);}    / / formula to find the volume of the ball.
  private:
   int r int wide; float volume;     / / declaring variables that will be used
   }; 

count:: count () {
    court <<"Counting Program Area of ​​Circles and Balls Volume: \ n";
   } 

istream & operator>> (istream & ins, count & input)   {/ * input function to call the class count * /
   court <<"Enter the value jari2:"; in>> masukkan.r;    / / input value of the radius
   return ins;  
} 

ostream & operator <<(ostream & out, const count & output) {
  out <<"The value of r:" <<keluaran.r <<endl <<endl;
  out <<"broad circle:" <<keluaran.luas <<endl;
  out <<"volume of the ball:" <<keluaran.volum <<endl;   / * court or the output of the value of r, n lingkran Area Volume of ball * /
  return out;
  }

  main () {
  count x;      / / x function to replace the class count
  cin>> x;    / / input value x (the radius).
  x.hitung_luas ();     / / call the formula area of ​​a circle that is in a class count
  x.hitung_volum ();    / / call volume sphere formula that is in a class count
  court <<x;    / / results
  getch ();
  return 0;
  }