Answer:
#include <iostream>
#include <string>
#include <fstream>
using namespace std;
char getStudentGrade(int testScore);
//Declare constant max students in file 10
const int maxStudents = 10;
struct StudentType
{
string studentFName;
string studentLName;
int testScore;
char grade;
};
void readStudentData(StudentType students[]){
int i = 0;
ifstream infile;
infile.open("inputStudentData.txt");
while (!infile.eof())
{
infile >> students[i].studentFName;
infile >> students[i].studentLName;
infile >> students[i].testScore;
students[i].grade = getStudentGrade(students[i].testScore);
i++;
}
}
char getStudentGrade(int testScore){
char grade;
if(testScore >= 80) {
grade = 'A';
}
else if(testScore >= 60) {
grade = 'B';
}
else if(testScore >= 50) {
grade = 'C';
}
else if(testScore >= 40) {
grade = 'D';
}
else {
grade = 'F';
}
return grade;
}
int main()
{
StudentType students[10];
readStudentData(students);
for(int i=0;i<maxStudents;i++) {
students[i].grade = getStudentGrade(students[i].testScore);
}
for(int i=0; i<maxStudents; i++){
cout << students[i].studentLName <<", " << students[i].studentFName << " " << students[i].grade << endl;
}
ofstream outputFile;
outputFile.open ("outputStudentData.txt");
for(int i=0; i<maxStudents; i++){
outputFile << students[i].studentLName <<", " << students[i].studentFName << " " << students[i].grade << endl;
}
outputFile.close();
return 0;
}