View Code of Problem 72

#include<stdio.h>
int main()
{
    int M,N;
    scanf("%d%d",&M,&N);
    double h=M,sum=M,temp=0;
    for(int i=0;i<N;i++)
    {
        h/=2.0;
        sum+=2*temp;
        temp=h;
    }
    printf("%.2lf %.2lf",h,sum);
    return 0;
}