#include<iostream.h>
#include<conio.h>
#include<fstream.h>
struct employee
{
char name[20],sex[7],id[10];
float income,tax,penstion,netincome,allowance;
};
employee *accept(employee a[],int n);
employee *tax(employee a[],int n);
inline employee *penstion(employee a[],int n);
inline employee *netincome(employee a[],int n);
void putdata(employee a[],int n,ofstream &of);
void getdata(ifstream &in);
void main ()
{
clrscr ();
ofstream of;
ifstream in;
employee *s;
int n;
int choice;
char ch;
do
{
clrscr ();
cout<<endl;
cout<<endl;
cout<<"Please choose from the following: \n";
cout<<"\t1. write Data. \n";
cout<<"\t2. read Data. \n";
cout<<"\t3. Quit. \n";
cout<<endl;
cout<<"Your choice: ";
cin>>choice;
switch(choice)
{
case 1:
cout<<"how many Employees' detail data";
cout<<"do you want yo feed:\n";
cin>>n;
s=new employee[n];
s=accept(s,n);
s=tax(s,n);
s=penstion(s,n);
s=netincome(s,n);
putdata(s,n,of);
break;
case 2:
getdata(in);
break;
case 3:
break;
default:
cout<<"\tInvalid entry!"<<endl;
}
cout<<"\nWould you like to try again (y/n): ";
cin>>ch;

}
while(ch == 'y' || ch == 'Y');
delete []s;
getch ();
}
employee *accept(employee a[],int n)
{
cout<<"please enter the employee detail:name,sex,id,income,allowance: \n";
cout<<endl;
for(int i=0;i<n;i++)
{
cout<<"feed employee"<<" "<<(i+1)<<" "<<"detail data:\n";
cin>>a[i].name>>a[i].sex>>a[i].id>>a[i].income>>a[i].allowance;
}
return a;
}
employee *tax(employee a[],int n)
{
for(int i=0;i<n;i++)
{
if(a[i].income<=150)
a[i].tax=0;
else if (a[i].income<=650)
a[i].tax=(a[i].income*10/100)-15;
else if (a[i].income<=1400)
a[i].tax=((a[i].income*15/100)-47.5);
else if (a[i].income<=2350)
a[i].tax=((a[i].income*20/100)-117.5);
else if(a[i].income<=3550)
a[i].tax=((a[i].income*25/100)-235);
else if (a[i].income<=5000)
a[i].tax=((a[i].income*30/100)-412.5);
else
a[i].tax=((a[i].income*35/100)-662);
}
return a;
}
employee *penstion(employee a[],int n)
{
for (int i=0;i<n;i++)
a[i].penstion=(a[i].income*6/100);
return a;
}
employee *netincome(employee a[],int n)
{
for(int i=0;i<n;i++)
a[i].netincome=(a[i].income+a[i].allowance-a[i].tax-a[i].penstion);
return a;
}
void putdata(employee a[],int n,ofstream &of)
{
of.open("xyz.txt",ios::out|ios::app);
if(of.fail())
{
cerr<<"unable to open /n";
return;
}
for(int i=0;i<n;i++)
{
of<<a[i].name<<"\t"<<a[i].sex<<"\t"<<a[i].id<<"\t"<<a[i].income<<"\t";
of<<a[i].tax<<"\t"<<a[i].penstion<<"\t"<<a[i].allowance<<"\t"<<a[i].netincome;
}
of.close();
}
void getdata(ifstream &in)
{
cout<<"....................................................................\n";
cout<<"E_Name \tSex\tID\tIncome\tTax\tPenst.\tAllow.\tNetI.\n";
cout<<"....................................................................\n";
in.open("xyz.txt");
employee p;
if(in)
{
while(!in.eof())
{
in>>p.name>>p.sex>>p.id>>p.income;
in>>p.tax>>p.penstion>>p.allowance>>p.netincome;
if(in.eof())
break;
cout<<p.name<<"\t"<<p.sex<<"\t"<<p.id<<"\t"<<p.income<<"\t"<<p.tax;
cout<<"\t"<<p.penstion<<"\t"<<p.allowance<<"\t"<<p.netincome;
cout<<endl;
}
in.close();
}
else
cerr<<"unable to open /n";
}