View Code of Problem 72

#include<stdio.h>
#include<math.h>
int main()
{
	int n,i,j;
	double m,sum=0;
	int a1=1,a2=2,b;
	scanf("%lf %d",&m,&n);
	for(i=0;i<n;i++)
	{
		sum+=m;
		m=m/2;
		if(i==n-1)break;
		sum+=m;
	}
	printf("%.2lf %.2lf",m,sum);
}