Class objects C++ Program to convert an octal number into binary

Write a program in C++ to convert an octal number into binary using the class objects.
Develop a C++ program to convert an octal number into binary using the class objects.

//program octal to binary
//simple program
#include<iostream>
using namespace std;
class number
{
private:
    int num,p=1;
    int decimal=0,i=1,j,d;
    int binary=0;
    public:
    	int show()
    	{
    cout<<"enter  octal(using digit 0__7):";
    cin>>num;
    for(j=num; j>0; j=j/10)
    {
               d=j%10;
               if(i==1)
               p=p*1;
               else
               p=p*8;
               decimal=decimal+(d*p);
               i++;
               }
               i=1;
               for(j=decimal; j>0; j=j/2)
               {
                      binary=binary+(decimal%2)*i;
                      i=i*10;
                      decimal=decimal/2;
                   }
                         cout<<"octal number into binary number "<<binary;
                           }
                          };
                          int main()
                          {
                          	number c;
                          	c.show();
						  }

//program octal to binary

//simple program

#include<iostream>

using namespace std;

class number

{

private:

int num,p=1;

int decimal=0,i=1,j,d;

int binary=0;

public:

int show()

{

cout<<"enter octal(using digit 0__7):";

cin>>num;

for(j=num; j>0; j=j/10)

{

d=j%10;

if(i==1)

p=p*1;

else

p=p*8;

decimal=decimal+(d*p);

i++;

}

i=1;

for(j=decimal; j>0; j=j/2)

{

binary=binary+(decimal%2)*i;

i=i*10;

decimal=decimal/2;

}

cout<<"octal number into binary number "<<binary;

}

};

int main()

{

number c;

c.show();

}

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