Circle and correct all syntax errors and logic error in following code

include

using namespace std

Class Employee{ public

// friend functions

friend boolean equal(const Employee& e1, const Employee e2);

// return true if two employees have the same id; false otherwise

friend istream& operator >> (istream& ins, Employee e);

// input es id and salary from istream ins

friend ostream& operator << (ostream& outs, const Employee& e);

// output es id and salary

// constructors

employee();

// initialize id to be 0 and salary to be 0.0

Employee(int id);

// initialize id to be given id and salary to be 0.0

Employee(int id, double salary);

// initialize id to be given id and salary to be given salary

// member functions

int get_id();

double get_salary();

void set_id(int id);

void set_salary(double salary);

private:

int _id;

double _salary;

}

int main() {

Employee employee1(1000, 23000.00);

Employee employee2;

cout << "Enter the information of the employee, id and salary, seperated by white space: ";

cin >> employee2;

cout << "The employee1's salary is $" << employee1.get_salary();

if(equal(employee1, employee2))

cout << "Two emplotees are the same guy.";

else

cout << "Two employees are different guys";

return 0;

}

bool Employee::equal(constant Employee& e1, constant Employee e2) {

return e1._id == e2._id;

}

istream& operator >> (istream& ins, Employee& e) {

ins >> e.id;

ins >> e.salary;

return ins;

}

ostream& operator >> (ostream& outs, const Employee& e) {

outs << "ID: " << e._id << ", Salary: " << e._salary;

}

// constructors

Employee::Employee():_id(0);_salary(0.0) {}

Employee::Employee(int id) {

_id = id;

_salary = 0.0;

}

Employee::Employee(int id, double salary)

{

id = _id;

salary = 0.0;

}

//member function

int Employee::get_id() {

return _id;

}

double Employee::get_salary() {

return _salary;

}

void set_id(int id) {

_id = id;

}

void Employee::set_salary(double salary) {

_salary = salary;

}