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#include <iostream>
#include <fstream>
#include <stdlib.h>
using namespace std;
void open_files ();
void fill_array (double salesArray[], int ARRAY_SIZE, int& slotsPopulated);
void sort_array (double salesArray[], int slotsPopulated);
void display_sales_data (double salesArray[], int slotsPopulated);
void output_sales_data (double salesArray[], int slotsPopulated);
ifstream in_stream;
ofstream out_stream;
const int ARRAY_SIZE = 20;
int main ()
{
int ARRAY_SIZE, slotsPopulated;
double salesArray [ARRAY_SIZE];
open_files ();
fill_array (salesArray, ARRAY_SIZE, slotsPopulated);
sort_array (salesArray, slotsPopulated);
display_sales_data (salesArray, slotsPopulated);
output_sales_data (salesArray, slotsPopulated);
in_stream.close();
out_stream.close();
cout << "Successful Completion";
return 0;
}
void open_files ()
{
in_stream.open("salesAmounts.txt");
if (in_stream.fail())
{
cout << "Input file opening failed.\n";
exit(1);
}
out_stream.open("schreiberAmounts.txt");
if (out_stream.fail())
{
cout << "Output file opening failed.\n";
exit(1);
}
}
void fill_array (double salesArray[], int ARRAY_SIZE, int& slotsPopulated)
{
int index = 0;
double nextValue;
in_stream >> nextValue;
while ((nextValue > 0) && (index < ARRAY_SIZE))
{
salesArray [index] = nextValue;
index ++;
in_stream >> nextValue;
salesArray[index] = 0;
slotsPopulated = index;
}
}
void sort_array (double salesArray[], int slotsPopulated)
{
for (int i = slotsPopulated - 1; i > 0; i--)
for (int j = 0; j < i; j++)
if (salesArray[j] > salesArray[j+1])
{
double temp = salesArray[j+1];
salesArray[j+1] = salesArray[j];
salesArray[j] = temp;
}
}
void display_sales_data (double salesArray[], int slotsPopulated)
{
int arraySlot = 0;
cout.setf(ios::fixed);
cout.setf(ios::showpoint);
cout.precision(2);
cout<< "The number of sales amounts is: " << slotsPopulated << endl;
cout<< "The lowest sales amount is: $" << salesArray [0] << endl;
cout<< "The highest sales amount is : $" << salesArray[slotsPopulated -1] << endl;
cout<< "List of the values sorted from lowest to highest: " << endl;
while (arraySlot < (slotsPopulated))
{
cout<< " $" << salesArray[arraySlot] << endl;
arraySlot++;
}
}
void output_sales_data (double salesArray[], int slotsPopulated)
{
int arraySlot = 0;
out_stream.setf(ios::fixed);
out_stream.setf(ios::showpoint);
out_stream.precision(2);
out_stream << "The number of sales amounts is: " << slotsPopulated << endl;
out_stream << "The lowest sales amount is: $" << salesArray [0] << endl;
out_stream << "The highest sales amount is : $" << salesArray[slotsPopulated -1] << endl;
out_stream << "List of the values sorted from lowest to highest: " << endl;
while (arraySlot < (slotsPopulated))
{
out_stream << " $" << salesArray[arraySlot] << endl;
arraySlot++;
}
}
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