c++

#define mulai{
#define akhir}
#define menu() main()
#define cetak cout
#define input cin
#define bersih clrscr()
#define tampil() getch()
#define phi 3.14
#define l_alas (phi*r*r)
#define v_krct (0.33*l_alas*t)
#define lp_krct (l_alas+t)

#include<stdio.h>
#include<conio.h>
#include<iostream.h>
#include"lat.h"
menu()
mulai
int r,t;
float L_ALAS,V_KRCT,LP_KRCT;
bersih;
cetak<<"Masukan Jari=";input>>r;
L_ALAS=l_alas;
cetak<<"Maka Luas Alas Kerucut="<<L_ALAS<<endl;
cetak<<"Masukan Tinggi Kerucut=";input>>t;
V_KRCT=v_krct;
cetak<<"Maka Volume Kerucut="<<V_KRCT<<endl;
LP_KRCT=lp_krct;
cetak<<"Maka Luas Permukaan Kerucut="<<LP_KRCT<<endl;
tampil();
akhir