/**

12. What is the following piece of code doing? Explain each line with
a comment, indicating the values involved.
**/


#include<iostream>
using namespace std;

int main(){
  double *a, *b, m, n = 9.0; //a and b declared as pointers to type double, m is a double, n is a double with valu 9.0
  b=&n; // b points to address of n - so if b is de-referenced, its value will be 9.0
  m=n;  // m is assigned the value od n, so m now is 9.0
  *b=34.9; // value of whatever b is pointing to is set to 34.9
  a=b; //a is now pointing to whatever b is pointing to
  cout<<*a<<endl; //print value that a is pointing to, namely 34.9
  cout<<*b<<endl; //print value that b is pointing to, namely 34.9
}