#include <string>
#include <iostream>

using namespace std;

class person
{ public:
    string fname, lname;
    double salary;
    string dept;

  person(string f, string l, double s, string d)
  { fname = f;
    lname = l;
    salary = s;
    dept = d; }

  void print()
  { cout << fname << " " << lname << ", of " << dept << ", $" << salary << " per year\n"; }
};

const int max_emps = 100;
person * employee[max_emps];
int num_emps = 0;

void add_employee(person * p)
{ if (num_emps >= max_emps)
  { cerr << "Too many employees, not added\n";
    return; }
  employee[num_emps] = p;
  cout << "OK, added " << num_emps << ": ";
  employee[num_emps]->print();
  num_emps += 1; }

void list_employees()
{ for (int i = 0; i < num_emps; i += 1)
  { cout << i << ": ";
    employee[i]->print(); } }

person * find_employee(string lastname)
{ for (int i = 0; i < num_emps; i += 1)
    if (employee[i]->lname == lastname)
      return employee[i];
  return NULL; }

void give_ten_percent(string name)
{ person * p = find_employee(name);
  if (p == NULL)
  { cerr << "Search failed\n";
    return; }
  cout << "previous salaray = " <<  p->salary  << "\n";
  p->salary *= 1.10;
  cout << "OK, salaray = " <<  p->salary  << "\n"; }

int main()
{ add_employee(new person("Mary", "Marlowe", 123456.00, "Management"));
  add_employee(new person("Dennis", "Dog", 54321.50, "Design"));
  add_employee(new person("Eric", "Earwig", 34567.75, "Engineering"));
  add_employee(new person("Tammy", "Teapot", 23500.00, "Tetrahedrons"));
  add_employee(new person("Francine", "Frogge", 168742.50, "Management"));
  add_employee(new person("Geoffrey", "Georaffe", 21005.99, "Geography"));
  add_employee(new person("Lolita", "Lambchop", 25300.00, "Lighting"));
  add_employee(new person("Indiana", "Impediment", 1500.00, "Intern"));
  add_employee(new person("Germania", "Gastropod", 47299.99, "Geography"));
  add_employee(new person("Olivia", "Ointment", 25000000.00, "Owner"));
  string cmd;
  while (true)
  { cout << "> ";
    cin >> cmd;

    if (cmd == "list")
      list_employees();

    else if (cmd == "find")
    { string who;
      cin >> who;
      person * p = find_employee(who);
      if (p == NULL)
        cout << "Not found\n";
      else
        p->print(); }

    else if (cmd == "raise")
    { string who;
      cin >> who;
      give_ten_percent(who); }

    else if (cmd == "exit")
      break;

    else
      cerr << "command '" << cmd << "' not recognised\n"; } }