View Code of Problem 72

#include <stdio.h>
int main(){

	double M,N;
	scanf("%lf %d",&M,&N);
	double sum=M;
	for(int i=1;i<N;i++)
	{
		M=M/2;
		sum +=2*M;
	}
	printf("%0.2lf %0.2lf",M/2,sum);
	return 0;
}