View Code of Problem 72

#include <stdio.h>

int main(){
  float m;
  int n;
  scanf("%f %d", &m, &n);
  int i;
  float sum=0;
  for(i=0;i<n;i++){
    sum += 1.5*m;
    m = 0.5*m;
  }
  sum= sum-m;
  printf("%.2f %.2f", m, sum);
}