View Code of Problem 72

#include<cstdio>
int main(){
	int N;
	double x=0.0,y,M;
	scanf("%lf %d",&M,&N);
	y=M;
	for(int i=0;i<N;i++){
		y=y+2*x;
		x=double (M)/2;
		M=double (M)/2;
	}
	printf("%.2lf %.2lf",x,y);
	return 0;
} 

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