View Code of Problem 72

#include<stdio.h>
int main()
{
    double M,sum=0;
    int N,i;
    scanf("%lf%d",&M,&N);
    sum=M;
    for(i=1;i<N;i++)
    { 
        
        M=M/2.0;
        sum=sum+M;
        if(i>0) 
          sum=sum+M;
        if(i==N-1)
          M=M/2.0;
    }
    printf("%.2lf %.2lf\n",M,sum);
    return 0;
 }