Could you complete the incomplete code below without adding any header file? Ple
ID: 3592093 • Letter: C
Question
Could you complete the incomplete code below without adding any header file?
Please use the given header file only.
--------------------------------------------------------------------
#include <iostream>
#include <fstream>
#include <iomanip>
using namespace std;
struct Student {
string firstName;
string lastName;
int id;
};
class Course {
private:
string name;
int crn;
int section;
Student students[100];
int numStudents;
public:
Course() {
}
Course(string n, int c, int s) {
name = n;
crn = c;
section = s;
numStudents = 0;
}
void modifyInfo(string n, int c, int s) {
name = n;
crn = c;
section = s;
numStudents = 0;
}
int getCrn() {
return crn;
}
void addStudent(Student stu) {
students[numStudents].firstName = stu.firstName;
students[numStudents].lastName = stu.lastName;
students[numStudents].id = stu.id;
numStudents++;
}
};
void load(Course schedule[100], int& numCourses);
void print(Course schedule[100], int numCourses);
int main() {
// init vars
Course schedule[100];
int numCourses = 0;
char sc = 'a';
// menu loop
while(sc != 'e') {
// prompt and get menu choice
cout << endl << endl << endl
<< "Would you like to load, print, add a student, add a course, or exit (l/p/s/c/e): ";
cin >> sc;
// choose function based on user input
switch(sc) {
case 'e':
cout << "Thanks for using the roster program!";
break;
case 'l':
load(schedule, numCourses);
break;
case 'p':
print(schedule);
break;
case 'c':
string name;
int crn, section;
cout << "Please enter the course name, crn and section: ";
cin >> name >> crn >> section;
schedule[numCourses].modifyInfo(name, crn, section);
numCourses++;
break;
case 's':
// get the crn of the course
cout << "Please enter the crn of the course you'd like to add a student to: ";
int crn;
cin >> crn;
// find which course in the array that corresponds to that crn
// create the student and add the student that course
break;
default:
cout << "That was not a valid option, please try again!";
}
}
return 0;
}
// this function gets the file path from the user
// then opens the file, reads it with a loop,
// and saves the data read from the file into the array
void load(Course schedule[100], int numCourses) {
// does course exist already?
// if so, add student to it
// if not, create the course and add the student
}
// this function prints the contents of the array
// prettily using the setw function (#include <iomanip>)
void print(Course schedule[100], int numCourses) {
}
Explanation / Answer
#include <iostream>
#include <fstream>
#include <iomanip>
using namespace std;
struct Student {
string firstName;
string lastName;
int id;
};
class Course {
private:
string name;
int crn;
int section;
Student students[100];
int numStudents;
public:
Course() {
}
Course(string n, int c, int s) {
name = n;
crn = c;
section = s;
numStudents = 0;
}
void modifyInfo(string n, int c, int s) {
name = n;
crn = c;
section = s;
numStudents = 0;
}
int getCrn() {
return crn;
}
void addStudent(Student stu) {
students[numStudents].firstName = stu.firstName;
students[numStudents].lastName = stu.lastName;
students[numStudents].id = stu.id;
numStudents++;
}
};
void load(Course schedule[100], int& numCourses);
void print(Course schedule[100], int numCourses);
int main() {
// init vars
Course schedule[100];
int numCourses = 0;
char sc = 'a';
// menu loop
while(sc != 'e') {
// prompt and get menu choice
cout << endl << endl << endl
<< "Would you like to load, print, add a student, add a course, or exit (l/p/s/c/e): ";
cin >> sc;
// choose function based on user input
switch(sc) {
case 'e':
cout << "Thanks for using the roster program!";
break;
case 'l':
load(schedule, numCourses);
break;
case 'p':
print(schedule);
break;
case 'c':
string name;
int crn, section;
cout << "Please enter the course name, crn and section: ";
cin >> name >> crn >> section;
schedule[numCourses].modifyInfo(name, crn, section);
numCourses++;
break;
case 's':
// get the crn of the course
cout << "Please enter the crn of the course you'd like to add a student to: ";
int crn;
cin >> crn;
// find which course in the array that corresponds to that crn
// create the student and add the student that course
break;
default:
cout << "That was not a valid option, please try again!";
}
}
return 0;
}
// this function gets the file path from the user
// then opens the file, reads it with a loop,
// and saves the data read from the file into the array
void load(Course schedule[100], int numCourses) {
// does course exist already?
// if so, add student to it
// if not, create the course and add the student
}
// this function prints the contents of the array
// prettily using the setw function (#include <iomanip>)
void print(Course schedule[100], int numCourses) {
}
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