第八周求小球下落的距离

<img src="http://img.blog.csdn.net/20161023164330888?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />#include <stdio.h>#include <math.h>int main ( ){  int M,N,J;  float h,s=1000;  scanf("%d %d",&M, &N);  h=M/2;  for(J=2;J<=N;J++)  {s=s+2*h;h=h/2;  }  printf("%.2f %.2f",h, s);    return 0;}

oj不知道为什么是回答错误