Shallow vs. Deep Copies: Example

class atom {

private:

int x, y, z;

public:

x(); y(); z();

};

class molecule {

private:

int n;

atom *atom_array;

public:

// constructor

molecule(int natoms);

};

molecule::molecule(int natoms);

{

n = natoms;

atom_array = new atom[natoms];

}

molecule water(3);

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