#include
#include
class Student {
private:
string name;
string department;
public:
Student(string n = "", string dep = 0)
: name(n), department(dep) {}
string get_name() const { return name; }
string get_department() const { return department; }
void set_name(const string& n) { name=n; }
void set_department(const string& d) { department=d; }
friend ostream& operator << (ostream& os, const Student& s);
};