View Code of Problem 72

#include <stdio.h>

int main()
{
    float sum=0.0;
    float m,n;
    scanf("%f%f",&m,&n);
    for(int i=1;i<n;++i)
    {
        m/=2;
        sum=m*2+sum;

    }
  printf("%.2f %.2f",m/2,sum);

    return 0;
}