View Code of Problem 72

#include<stdio.h>
int main(){
	int M, N;
	scanf("%d%d",&M,&N);
	int i;
	float sum = 0.0, high = (float)M;
	for(i = N; i > 0; i --){
		sum = sum + high;
		high = high / 2;
		if(i != 1)
			sum = sum + high;
	}
	printf("%.2f %.2f\n",high,sum);
	
	
	return 0;
}