Oktal ke Desimal (Sebaliknya) dalam Bahasa C++

05.28 C++ , Tutorial 0 Comments

Hasil akhir :


Source Kode :

#include <iostream>
#include <cmath>

using namespace std;

int desimal_oktal(int n);
int oktal_desimal(int n);
int main()
{
   int n;
   char c;
   awal:
   cout << "\tPilihan : " << endl;
   cout << "\t---------------------------";
   cout << "\n\t1. Desimal ke Oktal." << endl;
   cout << "\n\t2. Oktal ke Desimal" << endl;
   cout << "\n\tTentukan pilihan anda = ";
   cin >> c;
   if (c =='1')
       cout << "\n\tMasukan angka desimal nya = ";
       cin >> n;
       cout <<"\n\t"<< n << " Desimal = " << desimal_oktal(n) << " Oktal";
   }else if (c =='2')
   {
       cout << "\n\tMasukan angka oktal nya = ";
       cin >> n;
       cout <<"\n\t"<< n << " Oktal = " << oktal_desimal(n) << " Desimal ";   
   }else
   {
       cout <<"\n\tPilihan anda tidak ada";
   }

   char yn;   
   
     cout <<"\n\n\tApakah anda ingin mengulang program [Y/N] = ";
     cin >> yn;
     cout << "\n\n";
  
   if (yn == 'y' || yn == 'Y')
   {goto awal;}
   if (yn == 'n' || yn == 'N')
   {goto end;}
   end:
     cout <<"\n\tTerima Kasih";
   
   return 0;
}

int desimal_oktal(int n) /* Fungsi konversi desimal ke oktal */
{
    int rem, i=1, oktal=0;
    while (n!=0)
    {
        rem=n%8;
        n/=8;
        oktal+=rem*i;
        i*=10;
    }
    return oktal;
}

int oktal_desimal(int n) /* Fungsi konversi oktal ke desimal */
{
    int desimal=0, i=0, rem;
    while (n!=0)
    {
        rem = n%10;
        n/=10;
        desimal += rem*pow(8,i);
        ++i;
    }
    return desimal;
}