Program in C to decimal to binary conversion

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

            int no,r,sum=0,i=0;

            clrscr();

            printf(“\nenter the number\n”);

            scanf(“%d”,&no);

            while(no>0)

            {

                        r=no%2;

                        sum=sum+pow(10,i)*r;

                        no=no/2;

                        i++;

            }

            printf(“\nThe binary value is %d”,sum);

            getch();

}