C++ Script Rumus Tabung

//C++ Rumus Menghitung Tabung
//copy-kan script ini ke program C++

#include <iostream.h>
#include <conio.h>

void main()
{
float phi, r, t, vt, la, ltt, lst, lp;

cout<<"masukkan phi : "; cin>> phi;
cout<<"masukkan jari-jari : "; cin>> r;
cout<<"masukkan tinggi tabung : "; cin>> t;

lst = 2*phi*r*t;
la = phi*r*r;
ltt = phi*r*r;
vt = phi*r*r*t;
lp = 2*la*lst;

cout<<"luas alas tabung : " <<la <<endl;
cout<<"luas tutup tabung : " <<ltt <<endl;
cout<<"volume tabung : " <<vt <<endl;
cout<<"luas selimut tabung : " <<lst <<endl;
cout<<"luas permukaan tabung : " <<lp <<endl;

getch();
}