View Code of Problem 72

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