c++ mengunakan if dan else cara dasar

#include<iostream.h>

#include<conio.h>

#include<stdio.h>

main()

{

char nmkrywn[20],goln,tanya,*pndkn;

longint total,persen,persen1;

float hnrlmbr,jmkrj;

cout<<"\t\n";

cout<<"\t\n";

lagi:

cout<<"\tPT.DINGIN DAMAI \n";

cout<<"\t\n";

cout<<"\tPROGRAM HITUGAN GAJI KARYAWAN\n";

cout<<"\t=============================\n";

cout<<"\tNAMA KARYAWAN               :";gets(nmkrywn);

cout<<"\tGOLAONGAN JABATAN [1...4]   :";cin>>goln;

cout<<"\tJUMLAH KERJA                :";cin>>jmkrj;

cout<<"\t=============================\n";

hnrlmbr=(jmkrj-8)*3500;    

{

                if(goln=='1')

                {pndkn="SMA";

persen=(300000*5/100);

   persen1=300000*2.5/100;}

else

if(goln=='2')

   {pndkn="D1";

persen=(300000*10/100);

   persen1=300000*5/100;}

else

if(goln=='3')

   {pndkn="D2";

persen=(300000*15/100);

   persen1=300000*20/100;}

else

   {pndkn="S1";

persen=(300000*15/100);

   persen1=300000*30/100;}

}

cout<<"\tKARYAWAN YANG BENAMA    :"<<nmkrywn<<endl;

cout<<"\tPENDIDIKAN              :"<<pndkn<<endl;

cout<<"\tHONOR YANG DI TERIMA\n";

cout<<"\tTUNJANGAN PENDIDIKAN    :"<<persen<<endl;

cout<<"\tTUNJANGAN JABATAN       :"<<persen1<<endl;

cout<<"\tHONOR LEMBUR            :"<<hnrlmbr<<endl;

cout<<"\t                        ------------------+\n";

total=persen+persen1+hnrlmbr;

cout<<"\tTOTAL GAJI              :"<<total<<endl;

cout<<"\tINPUT LAGI [Y/T]        :";cin>>tanya;

clrscr();

if(tanya=='Y'||tanya=='y')

gotolagi;

else

gotoselesai;

getch ();

selesai:

}