View Code of Problem 72

#include <stdio.h>
int main(void)
{
	int m,n,i;
	float last,sum,temporary; 
	while(scanf("%d%d",&m,&n)!=EOF)
	{
		last = m;
		sum = 0;
		for(i=0; i<n; i++)
		{
			sum = sum + last*2;
			last = last / 2;
		}
		sum = sum - m;
		
		printf("%.2f %.2f\n",last,sum);
	}
 	return 0;
}

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