View Code of Problem 72

#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<iostream>
#include<algorithm>
using namespace std;
int main(){
     float m,n,sum=0;
	 scanf("%f%f",&m,&n);
	 for(int i=0;i<n;i++)
	 {
		 sum=sum+m+m/2;	
		 m=m/2;
			
	 }
	 printf("%.2f %.2f\n",m,sum-m);
	return 0;

}