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/*---------------------------------------------------
Name: Manuel Santana
Student ID: G29167706
COP 1334 - Introduction to C++
Summer 2013 - TR 6:00PM - 8:15PM
Assignment # 8
Plagiarism Statement
I certify that this assignment is my own work and that I
have not copied in part or whole or otherwise plagiarised
the work of other students and/or persons.
----------------------------------------------------------*/
#include <iostream>
#include <fstream>
#include <iomanip>
#include <string>
#include <vector>
using namespace std;
enum Status {PASSING, FAILING};
struct Student
{
string name;
double grade1, grade2, grade3, average;
Status status;
};
string getInputFileName();
string getOutputFileName();
void readStudents(vector<Student> &students, string );
void writeStudents(vector<Student> &students, string );
void copystudents(Student & s1, Student s2);
void sortstudents(vector<Student> &students);
int main()
{
vector<Student> students;
string inputFileName, outputFileName;
inputFileName = getInputFileName();
outputFileName = getOutputFileName();
readStudents(students, inputFileName);
writeStudents(students, outputFileName);
system("pause");
return 0;
}
string getInputFileName()
{
string filename;
cout << "enter the input file name: ";
cin >> filename;
return(filename);
}
string getOutputFileName()
{
string filename;
cout << "enter the output file name: ";
cin >> filename;
return(filename);
}
void readStudents(vector<Student> &students, string inputFileName)
{
Student student;
fstream infile(inputFileName, ios::in);
while (infile >> student.name)
{
infile >> student.grade1;
infile >> student.grade2;
infile >> student.grade3;
student.average = (student.grade1 + student.grade2 + student.grade3 )/ 3;
students.push_back(student);
if (student.average < 70 )
student.status = FAILING;
else
student.status = PASSING;
}
}
void writeStudents(vector<Student> &students, string outputFileName)
{
fstream outfile;
outfile.open(outputFileName, ios::out);
outfile << " Name\t " << " \tGrade1 " << " \tGrade2 "
<< " \tGrade3 " << " \tAvarage " << " \tStatus" << endl;
for(unsigned count = 0; count < students.size(); count++)
{
outfile << fixed << setprecision(0) << students[count].name << setw(15)
<< students[count].grade1
<< setw(18) << students[count].grade2
<< setw(18) << students[count].grade3 << setw(15)
<< students[count].average << setw(10) ;
if (students[count].average < 70 == FAILING)
outfile << " \tFailing" << endl;
else
outfile << " \tPassing" << endl;
}
outfile.close();
}
void copystudents(Student & s1, Student s2)
{
s1.name = s2.name;
s1.grade1 = s2.grade1;
s1.grade2 = s2.grade2;
s1.grade3 = s2.grade3;
s1.average = s2.average;
s1.status = s2.status;
}
void sortstudents(vector<Student> students)
{
bool swap;
Student temp;
do
{
swap = false;
for(int count = 0; count < students.size(); count++)
{
if (students[count].average < students[count + 1].average)
{
copystudents(temp, students[count]);
copystudents(students[count], students[count + 1]);
copystudents(students[count + 1], temp);
} swap = true;
}
}while(swap);
}]
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