自由落体

#include <stdio.h>
int main()
{
int i=1;
float high=100,len=0,sum=0;
while(i<=10)
{
len=high*1.5;
high=high*0.5;
sum=sum+len;
i++;
}
printf("%f\n",high);
printf("%f\n",sum);
return 0;
}