Decimal to Binary Conversion

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#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();
}


Output:
enter the number
8 the binary value is 100