View Code of Problem 72

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