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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. // Base class
  6. class Employee {
  7. protected:
  8.     string name;
  9.     int id;
  10.  
  11. public:
  12.     Employee(string n, int i) {
  13.         name = n;
  14.         id = i;
  15.     }
  16.  
  17.     virtual void calculateSalary() = 0; // Pure virtual function
  18.  
  19.     void displayInfo() {
  20.         cout << "Name: " << name << ", ID: " << id << endl;
  21.     }
  22. };
  23.  
  24. // Derived class for Faculty
  25. class Faculty : public Employee {
  26. private:
  27.     int coursesTaught;
  28.     double salaryPerCourse;
  29.  
  30. public:
  31.     Faculty(string n, int i, int courses, double perCourse)
  32.         : Employee(n, i), coursesTaught(courses), salaryPerCourse(perCourse) {}
  33.  
  34.     void calculateSalary() {
  35.         double salary = coursesTaught * salaryPerCourse;
  36.         cout << "Faculty Salary: $" << salary << endl;
  37.     }
  38. };
  39.  
  40. // Derived class for Staff
  41. class Staff : public Employee {
  42. private:
  43.     double hourlyWage;
  44.     int hoursWorked;
  45.  
  46. public:
  47.     Staff(string n, int i, double wage, int hours)
  48.         : Employee(n, i), hourlyWage(wage), hoursWorked(hours) {}
  49.  
  50.     void calculateSalary() {
  51.         double salary = hourlyWage * hoursWorked;
  52.         cout << "Staff Salary: $" << salary << endl;
  53.     }
  54. };
  55.  
  56. // Main function to demonstrate the hierarchy
  57. int main() {
  58.     // Creating Faculty object
  59.     Faculty faculty("Dr. Smith", 101, 3, 2000.0);
  60.     faculty.displayInfo();
  61.     faculty.calculateSalary();
  62.  
  63.     // Creating Staff object
  64.     Staff staff("John Doe", 201, 15.0, 160);
  65.     staff.displayInfo();
  66.     staff.calculateSalary();
  67.  
  68.     return 0;
  69. }
  70.  
Success #stdin #stdout 0.01s 5268KB
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stdin
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Standard input is empty
stdout
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Name: Dr. Smith, ID: 101
Faculty Salary: $6000
Name: John Doe, ID: 201
Staff Salary: $2400
https://ideone.com/D7ORos
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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