//Ch8AppE04.cpp – displays the quarterly sales made 
//in each of four regions and the total quarterly sales for the company
//Created/revised by <your name> on <current date>

#include <iostream>

using std::cout;
using std::cin;
using std::endl;

int main()
{
	
	
	return 0;
}   //end of main function

#include <iostream>
#include <iomanip>

using std::cout;
using std::cin;
using std::endl;
using std::setprecision;
using std::ios;

typedef struct st_quarter
{
    float month_1;
    float month_2;
    float month_3;
} QUARTERLY_SALES;

typedef struct st_region
{
    char name[24];
    QUARTERLY_SALES quarter;
} SALES_REGION;

void input_quarterly_sales_by_region( SALES_REGION* region )
{
    cout << "Enter sales for Month 1 in Region " << region->name << " ";
    cin >> region->quarter.month_1;

    cout << "Enter sales for Month 2 in Region " << region->name << " ";
    cin >> region->quarter.month_2;

    cout << "Enter sales for Month 3 in Region " << region->name << " ";
    cin >> region->quarter.month_3;
}

void display_quarter_sales_total_by_region( const SALES_REGION* region )
{
    cout << setiosflags( ios::fixed | ios::showpoint ) << setprecision( 2 );
    cout << "Total Quarter Sales for Region " << region->name << " = " << 
	    (region->quarter.month_1 + region->quarter.month_2 + region->quarter.month_3) << endl;
}

void display_quarterly_sales_total_for_all_regions( const SALES_REGION* regions, const int count )
{
    float total = 0.0F;
    for( int i = 0; i < count; i++ )
    {
	total += (regions[i].quarter.month_1 + regions[i].quarter.month_2 + regions[i].quarter.month_3);
    }
    cout << "Total Quarter Sales for All Regions: " << total << endl;
}

int main()
{
    SALES_REGION regions[] = { {"North", {0} },
			       {"South", {0} },
			       {"East", {0} },
			       {"West", {0} } };

    for( int i = 0; i < (int)(sizeof( regions )/sizeof( SALES_REGION )); i++ )
    {
	input_quarterly_sales_by_region( &regions[i] );
    }

    for( int i = 0; i < (int)(sizeof( regions )/sizeof( SALES_REGION )); i++ )
    {
	display_quarter_sales_total_by_region( &regions[i] );
    }

    display_quarterly_sales_total_for_all_regions( regions, (int)(sizeof( regions )/sizeof( SALES_REGION )) );


    return 0;
}