Kuripan's Expirience: Program Sistem Konfigurasi Elektron In C++

/* Ini program sederhana */
//Nama : I Nyoman Kuripan
//Mataram
//source http://www.chemicool.com/
#include
#include
using std::cout;
using std::endl;
#include
#include
#include
using std::rand;
using std::srand;
#include
#include // berisi prototipe untuk fungsi waktu time
using std::time;
using namespace std;
int main ()
{
   float na, ulang, menu, q, ll;
   int a, b, c, d, e, f, g, x, n;
   printf ("------------------------------------------------------------------------- \n");
   printf("|\t\t###\t##\t# WARNING # \t##\t###\t\t|\n");
   printf ("========================================================================= \n");
   printf("|\t\t\tIni hanya program sederhana \t\t\t|\n");
   printf("|\t Disarankan Pengguna hanya menekan 'angka' BUKAN 'huruf'\t|\n");
   printf("|\t Karena program bisa menggila atau tak terkendali OK \t\t|\n");
   printf ("------------------------------------------------------------------------- \n");
   printf ("|ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo| \n");
   printf ("------------------------------------------------------------------------- \n\n");
   x = 0;
   for ( x = 0 ; x < n; x-- ){
       printf("\t\t\t\t< MENU AWAL > \n\n");
       printf("\t* Silahkan dipilih (1-2) ! \n\n");
       printf("\t1) Informasi dan karakteristik atom \n");
       printf("\t2) Game \n");
       printf ("\t======================================== \n");
       printf ("\t$ Masukkan pilihan Anda disini: ");
       scanf ("%d", &a);
           do{
               switch (a){

                   case 1:
                       printf ("\n        # 1) Informasi atom #\n");
                       printf ("\t=========================================== \n");
                       cout << "\t$ Masukan nomor atom suatu elektron! \t:";
                       cin >> na;
                       printf ("\t=========================================== \n");

                       if(na == 1) {

                               ifstream infile;
                               infile.open ("H.txt", ifstream::in);
                               while (infile.good())
                               cout << (char) infile.get();
                               infile.close();

                               printf ("Info lebih lengkap tekan 1 ! :\n");
                               scanf ("%d", &e);

                               switch (e){
                                   case 1:
                                           ifstream infile;
                                           infile.open ("H1.txt", ifstream::in);
                                           while (infile.good())
                                           cout << (char) infile.get();
                                           infile.close();
                                   break;
                               }

                           }

....................................................................................
....................................................................................
        }
                               cout<< "\n";
                               if (na                               else if (na>i) puts ("Nomor Atom yang anda masukkan 'SALAH', nilainya lebih rendah dari jawaban! ");



                              } while (na!=i);
                              puts ("Congratulations!");
                              cout << "Jawaban Anda tepat sekali \n\n";


                   break;

                   default:
                       printf ("Pilihan anda diluar jangkauan.\n");
                       printf ("Tekan sembarang kembali ke menu awal atau\n");
               }printf ("Tekan satu angka untuk mengulang \n");
               scanf ("%d", &ulang);


           }while (ulang == 0);
       }

    return 0;
}

Setelah di Compile