View Code of Problem 72

#include <stdio.h>
#include<math.h> 
int main()
{
	int m,n,i;
	double x;
	double y;
	scanf("%d%d",&m,&n);
	x=m;
	y=m*(-1);
	for(i=1;i<=n;i++)
	{
		y=2*x+y;
		x=x/2;
	} 
	printf("%.2f %.2f",x,y);
	return 0;
}