View Code of Problem 72

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