2010 Final IPE_UNIXC_-1152b question 1

//employee.h

#include <iostream>
using namespace std;
#include <cstring>


class employee
{
private:
int empno;
char name[50];
char address[50];
int monthlyothours[3];
double monthlyotpayments[3];
double averageotpayment;

public:
employee(int pempno,char pname[],char paddress[]);
void inputmonthlyhours();
void claculatemonthlyotpayments();
void calculateaverageotpayment();
void displayemployeedetails();


};

//employee.cpp

#include "employee.h"

#include <iostream>

using namespace std;

#include <cstring>

employee :: employee(int pempno,char pname[],char paddress[])

{

empno=pempno;

strcpy(name,pname);

strcpy(address,paddress);

}

void employee::inputmonthlyhours()

{

for(int i=0;i<3;i++)

{

cout<<"Enter monthly ot hours for month  "<<i+1<<"   ";

cin>>monthlyothours[i];

}

}

void employee::claculatemonthlyotpayments()

{

for(int i=0;i<3;i++)

{

int ot=monthlyothours[i];

if(ot>=0&&ot<=15)

{

monthlyotpayments[i]=ot*100;

}

else if(ot>=16&&ot<=40)

{

monthlyotpayments[i]=ot*150;

}

else if(ot>40)

{

monthlyotpayments[i]=ot*250;

}

}

}

void employee::calculateaverageotpayment()

{ double sum=0;

for(int i=0;i<3;i++)

{

sum=sum+monthlyotpayments[i];

}

averageotpayment=sum/2.0;

}

void employee::displayemployeedetails()

{

cout<<"Employee No  "<<empno<<endl;

cout<<"Name         "<<name<<endl;

cout<<"Address      "<<address<<endl<<endl;

cout<<"\t\t\t"<<"month 1   "<<"month 2   "<<"month 3   "<<endl;

cout<<"Monthly ot hours        "<<monthlyothours[0]<<"         "<<monthlyothours[1]<<"          "<<monthlyothours[2]<<endl;

cout<<"Monthly ot payments     "<<monthlyotpayments[0]<<"        "<<monthlyotpayments[1]<<"       "<<monthlyotpayments[2]<<endl;

cout<<"Monthly average payments   "<<averageotpayment<<endl;

}

//paper2b _l.cpp

#include "employee.h"

#include <iostream>

using namespace std;

int main()

{

employee emp1(3789,"Ranjith Perera","51,Galle Road,Dehiwala.");

emp1.inputmonthlyhours();

emp1.claculatemonthlyotpayments();

emp1.calculateaverageotpayment();

emp1.displayemployeedetails();

return 0;

}