View Code of Problem 72

#include<stdio.h>
int main()
{
  float M,sum;
  int N,i;
  scanf("%f%d",&M,&N);
  sum=M;
  for(i=1;i<N;i++)
  {
   M=M/2;
    sum+=(M*2);
  }
  printf("%.2f %.2f",M/2,sum);
  return 0;
}