THESE ARE MY CODES AND WORKS WELL, HOWEVER CAN YOU HELP ME WITH THIS : Include t

Question

THESE ARE MY CODES AND WORKS WELL, HOWEVER CAN YOU HELP ME WITH THIS :

Include the preprocessor #ifndef..endif as a guard.(divide this program)

THANKS U.

#include<iostream>
#include<string>
#include<cstdlib>
using namespace std;
class DivSales
{
public:
string region;
int quarters [4];
double yearlySale;
double allregtot;
  
DivSales()
{
region = "";
yearlySale = 0;
allregtot = 0;
for(int i=0; i<4; i++)
{
quarters[i]=0;
}
}
~DivSales()
{
}
void getValues()
{
  
cout<<" Enter Region: ";
cin>>region;
for(int i = 0; i<4;i++)
{
cout<<" Quarter "<<i+1<< ": ";
cin>> quarters[i];
yearlySale = yearlySale + quarters[i];
}
allregtot = allregtot + yearlySale;
}
  
string getRegion()
{
return region;
}
double getquatsale(int index)
{
return quarters[index];
  
}
double getyearlysale()
{
return yearlySale;
}
double gettotsale()
{
return allregtot;
}
  
};
int main()
{
DivSales obj[4];
int allregquat [4];
int tot=0;
for (int i =0; i<4; i++)
{
obj[i].getValues();
}
cout<<" ----------------------- ";
for(int i=0; i<4; i++)
{
cout<<" "<<obj[i].getRegion();
for(int j=0; j<4; j++)
{
cout<<" Quarter "<<j+1<< ": "<<
obj[i].quarters[j];
}
cout<<" Region's total: "<<obj[i].yearlySale;
}
for(int i =0; i<4; i++)
{
tot= tot+ obj[i].gettotsale();
}
cout<<" All Regions Total: "<< tot;
for(int i=0; i<4; i++)
{
allregquat[i]=0;
}
for(int i=0; i<4; i++)
{
for(int j=0; j<4; j++)
{
allregquat[i]=allregquat[i]+ obj[j].quarters[i];
  
}
}
cout<<" Extra work: ";
for(int i=0; i<4; i++)
{
cout<<" ALL regiongs Quarter" <<"1: "<<
allregquat[i];
  
}
  
system("pause");
return 0 ;
}

Explanation / Answer

I have divided this code in two different files code.cpp and code.h . Important things to note here, to compile do g++ code.cpp code.h -o a.out   . code.h is included in code.cpp

code.h

#ifndef CODE_H
#define CODE_H

#include <iostream>
using namespace std;

class DivSales{
public:
   string region;
   int quarters [4];
   double yearlySale;
   double allregtot;
   DivSales();
   ~DivSales();
   void getValues();
   string getRegion();
   double getquatsale(int);
   double getyearlysale();
   double gettotsale();
};  

DivSales::DivSales(){
   region = "";
   yearlySale = 0;
   allregtot = 0;
   for(int i=0; i<4; i++){ quarters[i]=0; }
}

DivSales::~DivSales(){
}

void DivSales::getValues(){
   cout<<" Enter Region: ";
   cin>>region;
   for(int i = 0; i<4;i++)
   {
   cout<<" Quarter "<<i+1<< ": ";
   cin>> quarters[i];
   yearlySale = yearlySale + quarters[i];
   }
   allregtot = allregtot + yearlySale;
}

string DivSales::getRegion(){
   return region;
}

double DivSales::getquatsale(int index){
   return quarters[index];

}
double DivSales::getyearlysale(){
   return yearlySale;
}

double DivSales::gettotsale(){
   return allregtot;
}

#endif

code.cpp

#include <iostream>
#include <string>
#include <cstdlib>
#include "code.h"
using namespace std;

int main(){
   DivSales obj[4];
   int allregquat [4];
   int tot=0;
   for (int i =0; i<4; i++)
   {
   obj[i].getValues();
   }
   cout<<" ----------------------- ";
   for(int i=0; i<4; i++)
   {
   cout<<" "<<obj[i].getRegion();
   for(int j=0; j<4; j++)
   {
   cout<<" Quarter "<<j+1<< ": "<<
   obj[i].quarters[j];
   }
   cout<<" Region's total: "<<obj[i].yearlySale;
   }
   for(int i =0; i<4; i++)
   {
   tot= tot+ obj[i].gettotsale();
   }
   cout<<" All Regions Total: "<< tot;
   for(int i=0; i<4; i++)
   {
   allregquat[i]=0;
   }
   for(int i=0; i<4; i++)
   {
   for(int j=0; j<4; j++)
   {
   allregquat[i]=allregquat[i]+ obj[j].quarters[i];
  
   }
   }
   cout<<" Extra work: ";
   for(int i=0; i<4; i++)
   {
   cout<<" ALL regiongs Quarter" <<"1: "<<
   allregquat[i];
  
   }
  
   system("pause");
   return 0 ;
}

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