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#include <iostream>
#include <fstream>
#include <string>
#include <iomanip>
using namespace std;
const int CLASS_SIZE = 30;
const int AMOUNT_OF_TESTS = 2;
const int AMOUNT_OF_HOMEWORK = 7;
const int MAX_STUDENT_ID_LENGTH = 9;
const double PERFECT_HOMEWORK_SCORE = 265;
const double PERFECT_TEST_SCORE = 200;
struct StudentType
{
string studentID;
double testGrades[AMOUNT_OF_TESTS],
homeWorkGrades,
hwAve,
testAve,
finalScore;
char finalGrade;
};
int getInput(StudentType[], int);
void process(StudentType[], int);
void display(const StudentType[], int);
int main()
{
int totStudents;
StudentType gradeData[CLASS_SIZE];
totStudents = getInput(gradeData, CLASS_SIZE);
process(gradeData, totStudents);
display(gradeData, totStudents);
return 0;
}
int getInput(StudentType gradeData[], int classSize)
{
int totalStudents = 0;
int totalTests = 0;
int totalHomeWork = 0;
ifstream ifile;
ifile.open("prg5data.txt");
if(ifile.fail())
{
cout<< "Can't find file prg5data.txt" << endl << endl;
return 0;
}
for(totalStudents = 0; totalStudents < classSize; totalStudents++)
{
ifile >> gradeData[totalStudents].studentID;
if(gradeData[totalStudents].studentID.length() <= MAX_STUDENT_ID_LENGTH)
{
for(totalTests = 0; totalTests < AMOUNT_OF_TESTS; totalTests++)
ifile >> gradeData[totalTests].testGrades;
for(totalHomeWork = 0; totalHomeWork < AMOUNT_OF_HOMEWORK; totalHomeWork++)
ifile >> gradeData[totalHomeWork].homeWorkGrades;
}
else
{
cout << "StudentID: " << gradeData[totalStudents].studentID << " can't be greater than 9 integers. ";
return 0;
}
if(!ifile)
break;
}
ifile.close();
return totalStudents;
}
void process(StudentType gradeData[], int totStudents)
{
int processIndex = 0;
int testAvgIndex = 0;
int homeWorkAvgIndex = 0;
double testScoreSum = 0;
double homeWorkSum = 0;
for (processIndex = 0; processIndex < totStudents; processIndex++)
{
for(testAvgIndex = 0; testAvgIndex < AMOUNT_OF_TESTS; testAvgIndex++)
{
testScoreSum += gradeData[testAvgIndex].testGrades;
}
for(homeWorkAvgIndex = 0; homeWorkAvgIndex < AMOUNT_OF_HOMEWORK; homeWorkAvgIndex++)
{
homeWorkSum += gradeData[homeWorkAvgIndex].homeWorkGrades;
}
gradeData[processIndex].testAve = ((testScoreSum / PERFECT_TEST_SCORE) * 100);
gradeData[processIndex].hwAve = ((homeWorkSum / PERFECT_HOMEWORK_SCORE) * 100);
gradeData[processIndex].finalScore = (gradeData[processIndex].testAve * .6) + (gradeData[processIndex].hwAve * .4);
if (gradeData[processIndex].finalScore > 90)
gradeData[processIndex].finalGrade = 'A';
else if (gradeData[processIndex].finalScore > 80 && gradeData[processIndex].finalScore < 89.9)
gradeData[processIndex].finalGrade = 'B';
else if (gradeData[processIndex].finalScore > 70 && gradeData[processIndex].finalScore < 79.9)
gradeData[processIndex].finalGrade = 'C';
else if (gradeData[processIndex].finalScore > 60 && gradeData[processIndex].finalScore < 69.9)
gradeData[processIndex].finalGrade = 'D';
else
gradeData[processIndex].finalGrade = 'E';
}
}
void display (const StudentType gradeData[], int totStudents)
{
ofstream outFile;
outFile.open("prg6out.txt");
int displayIndex = 0;
int totA = 0;
int totB = 0;
int totC = 0;
int totD = 0;
int totE = 0;
outFile << "STUDENT ID" << setw(15) << "HW AVE" << setw(15) << "TEST AVE" << setw(15) << "FINAL SCORE" << setw(15) << "GRADE" << endl;
outFile << endl;
for(displayIndex = 0; displayIndex < totStudents; displayIndex++)
{
outFile << fixed << showpoint << setprecision(1);
outFile << gradeData[displayIndex].studentID
<< setw(15) << gradeData[displayIndex].hwAve
<< setw(15) << gradeData[displayIndex].testAve
<< setw(15) << gradeData[displayIndex].finalScore
<< setw(15) << gradeData[displayIndex].finalGrade << endl;
if (gradeData[displayIndex].finalGrade == 'A')
totA++;
else if (gradeData[displayIndex].finalGrade == 'B')
totB++;
else if (gradeData[displayIndex].finalGrade == 'C')
totC++;
else if (gradeData[displayIndex].finalGrade == 'D')
totD++;
else
totE++;
}
outFile << endl;
outFile << "Number of A's: " << setw(10) << totA << endl
<< "Number of B's: " << setw(10) << totB << endl
<< "Number of C's: " << setw(10) << totC << endl
<< "Number of D's: " << setw(10) << totD << endl
<< "Number of E's: " << setw(10) << totE << endl;
outFile.close();
}
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