Decimal To Binary Conversion

NOTE :
              
// indicates comments.This wont get printed in the output.This is used for for documentation purpose.

PROGRAM:

#include<stdio.h>
#include<conio.h>
void main()
{
  long int decimal, rem, q;
  int binary[100], i = 1, j;
  clrscr();
  printf("Enter any decimal number: \n");
  scanf("%ld", &decimal);
  q = decimal;
  while(q != 0)
  {
     binary[i++] = q % 2;
     q = q / 2;
  }
  printf("Equivalent binary value of decimal number %d: ", decimal);
  for(j = i -1 ;j > 0;j--)
     printf("%d", binary[j]);
  getch();
}

OUTPUT :