View Code of Problem 72

#include<stdio.h>
int main()
{
	int m,n,i;
	double high,s=0;
	scanf("%d %d",&m,&n);
	high=(double)m;
	for(i=0;i<n;i++)
	{
		s+=high;
		high/=(double)2;
		if(i!=n-1) s+=high;
	}
	printf("%.2lf %.2lf",high,s);
}