CONVERSION FROM DECIMAL TO OCTAL

#include<stdio.h> 

#include<conio.h>
 

void main()

{

  int i=0,j=0,rem=0,a[10],b[10];

  long int num;

  clrscr();

  printf("\nEnter a number :");

  scanf("%ld",&num);

  while(num)

  {

            if(num<8)

            {

                        a[j++]=num;

                        break;

            }

            else

            {

                        a[j++]=num%8;

                        num=num/8;

            }

  }

   for(i=j-1;i>=0;i--)

            b[rem++]=a[i];

   printf("\nOctal equivalent :");

   for(j=0;j<rem;j++)

            printf("%d",b[j]);

  getch();

}