View Code of Problem 72

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