View Code of Problem 72

#include<stdio.h>
int main()
{
  int n,i;
  float sum=0.0,m;
  scanf("%f%d",&m,&n);
  for(i=1;i<=n;i++)
  {
    sum+=m+m/2.0;
    m=m/2.0;
  }
  sum=sum-m;
  printf("%.2f %.2f\n",m,sum);
  return 0;
}