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#include<iostream>
#include<cstdlib>
using namespace std;
void sort(double grade[50][7], int dec);
int main()
{
double grade[50][7], average, total;
int numberofstudents, i, j;
char input;
//Input number of students
cin >> numberofstudents;
for(i = 0; i < numberofstudents; i++)
{
for(j = 0; j < 6; j++)
{
//Input Student I.D. first, then grades of each student
cin >> grade[i][j];
}
}
//Average the scores for an individual student's quiz grades
for(i = 0; i < numberofstudents; i++)
{
for(j = 1; j < 6; j++)
{
total += grade[i][j];
}
average = total/5.0;
grade[i][6] = average;
total = 0;
}
cout << "StudentID" << " " << "Quiz1" << "\t" << "Quiz2" << "\t"
<< "Quiz 3" << "\t" << "Quiz4" << "\t" << "Quiz5" << "\t"
<< "Average" << endl;
//Read out the grade array
for(i = 0; i < numberofstudents; i++)
{
for(j = 0; j < 7; j++)
{
cout << grade[i][j] << "\t";
}
cout << endl;
}
//Average all the individual quizzes together
cout << "Quiz Average";
for(j = 1; j < 6; j++)
{
for(i = 0; i < numberofstudents; i++)
{
total += grade[i][j];
}
cout << "\t" << total/numberofstudents;
total = 0;
}
cout << endl;
//Read in an Input, Sorts the files using inputs
cout << "Enter in a character to sort the array(S, A, B, C, D, E, F, T): " ;
cin >> input;
while(input != 'T')
{
switch(input)
{
//Sort by ID
case 'S':
sort(grade, 0);
break;
//Sort by Quiz 1
case 'A':
sort(grade, 1);
break;
//Sort by Quiz 2
case 'B':
sort(grade, 2);
break;
//Sort by Quiz 3
case 'C':
sort(grade, 3);
break;
//Sort by Quiz 4
case 'D':
sort(grade, 4);
break;
//Sort by Quiz 5
case 'E':
sort(grade, 5);
break;
//Sort by Averages
case 'F':
sort(grade, 6);
break;
default:
cout << "Please Press a Valid Input: ";
cin >> input;
break;
}
}
return EXIT_SUCCESS;
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void sort(double grade[50][7], int dec)
{
int i, j, numberofstudents;// blah
double temp;
for(j = 0; j < 7; j++)
{
for(i = 0; i < numberofstudents - 1; i++)
{
if(grade[i][dec] < grade[i+1][dec])
{
temp = grade[i][j];
grade[i][j] = grade[i+1][j];
grade[i+1][j] = temp;
}
cout << grade << endl;
}
}
}
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