View Code of Problem 72

#include<bits/stdc++.h>
using namespace std;
int main() {
	double m,n,sum=0,x;
	cin>>m>>n;
	double t=m;
	for(int i=1;i<=n;i++){
		x=t/2;
		sum+=t+x;
		t/=2;
	}
	cout<<fixed<<setprecision(2)<<x<<" "<<fixed<<setprecision(2)<<sum-x;
	return 0;
}