[C語言]球體從100米下落問題

include <stdio.h>
int main()
{
    int i;
    double sum=100;
    double h=100;
    for(i=0;i<10;i++)
    {  
        h=h/2;
        sum=sum+h*2;
    }
    printf("%lf\n",sum);
    printf("%lf\n",h);
    return 0;
}