/* Note:Your choice is C IDE */
#include "stdio.h"
void main()
{
 float sn=100.0,hn=sn/2; 
 int n;
 n=2;
 do
 {
 sn=sn+2*hn;
 hn=hn/2;
 n++;
 }while(n<=10);
 printf("第十次落地时,共经过%f米\n\n",sn);
 printf("第十次反弹的高度, %f米\n\n",hn);
 
 
 sn=100.0;
 hn=sn/2; 
 n=2; 
while(n<=10)
{
 sn=sn+2*hn;
 hn=hn/2;
 n++;
}
printf("第十次落地时,共经过%f米\n",sn);
 printf("第十次反弹的高度, %f米\n\n",hn);
 
 
 
 sn=100.0;
 hn=sn/2; 
 n=2; 
for(;n<=10;)
 {
 sn=sn+2*hn;
 hn=hn/2;
 n++;
     }
 printf("第十次落地时,共经过%f米\n",sn);
 printf("第十次反弹的高度, %f米\n\n",hn);
 
 
}