1000 5
31.25 2875.00
#include<stdio.h>int main(){ int m,n,i; float h,l=0.0; scanf("%d%d",&m,&n); h=m; for(i=1;i<=n;i++) { l+=1.5*h; h=h/2; } l=l-h; printf("%.2f %.2f",h,l);}原文：http://www.cnblogs.com/SSYYGAM/p/4211271.html