View Code of Problem 72

#include <stdio.h>
int main(){
	int N;
	double M,sum;
	scanf("%lf %d",&M,&N);
	double temp=M;
	for(int i=1;i<N;i++)
	{
		M=M/2;
		sum+=2*M;
	}
	sum +=temp;
	printf("%0.2lf %0.2lf",M/2,sum);
	return 0;
}

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