View Code of Problem 72

#include<stdio.h>

int main()
{
	int n,i;
	double s=0,m;
	scanf("%lf %d", &m, &n);
	for (i=1;i<=n;i++)
	{
		if(i<n)
		{
			s += m;
			m /= 2;
			s += m;
		}
		else
		{
			s += m;
			m /= 2;
		}
	}
	printf("%.2f %.2f", m, s);
	return 0;
}