Answer:
// Program written in C++
// Comments are used to explain some lines
#include <iostream>
#include <iomanip>
using namespace std;
// Functions
void getData(double *, int);
void selectionSort(double *, int);
double getAverage(double *, int);
void displayData(double *, int, double);
int main() //Main Method
{
double *ToTest, // To dynamically allocate an array
Average; // To hold the average of the scores
int Scores; // To hold number of scores
// Get number of scores
cout << "Number of average to find? ";
cin >> Scores;
// Allocate an array to number of scores
ToTest = new double[Scores];
getData(ToTest, Scores);
selectionSort(ToTest, Scores);
Average = getAverage(ToTest, Scores);
printData(ToTest, Scores, Average);
return 0;
}
//Get Data
void getData(double *ToTest, int Scores)
{
cout << "Enter each scores.\n";
for (int i = 0; i < Scores; i++)
{
do
{
cout << "Score #" << (i + 1) << ": ";
cin >> *(ToTest + i);
if (*(ToTest + i) < 0)
{
cout << "Scores must be greater than 0.\n"
<< "Re-enter ";
}
} while (*(Test + i) < 0);
}
}
// Selection Sort
void selectionSort(double *ToTest, int Scores)
{
int startscan, minIndex;
double minValue;
for (startscan = 0; startscan < (Scores - 1); startscan++)
{
minIndex = startscan;
minValue = *(ToTest + startscan);
for (int i = startscan + 1; i < Scores; i++)
{
if (*(ToTest + i) < minValue)
{
minValue = *(Test + i);
minIndex = i;
}
}
*(ToTest + minIndex) = *(ToTest + startscan);
*(ToTest + startscan) = minValue;
}
}
// Calculate Average
double getAverage(double *ToTest, int Scores)
{
double Total;
for (int i = 0; i < Scores; i++)
{
Total += *(ToTest + i);
}
return Total / Scores;
}
// Print Data
void printData(double *ToTest, int Scores, double Avg)
{
cout << "\n Test scores\n";
cout << "Number of scores: " << Scores << endl;
cout << "Scores in ascending-order:\n";
for (int i = 0; i < Scores; i++)
{
cout << "#" << (i + 1) << ": " << *(ToTest + i) << endl;
}
cout << fixed << showpoint << setprecision(2);
cout << "Average score: " << Avg << endl;
}
