Hello, please help me with this multidimensional array C++ project, H0p1 and p0.h file will give all information need for to fill up the codes in p1.h files below.given. i will greatly appreciate if you are able to help me with correct C++ codes in p1.h file. i tried but its giving me error for some reasons. Thank You.

PROJECT 1 DESCRIPTION:

H0p1 file where you have all main files each section like STUDENT GRADE, LIST ID, LIST GRADE, LIST RANGE FROM H0p1 file with inputs and possible outputs given, the codes from this each section will appear on p1.h file which also given below.

H0p1 file

Write a C++ class definition called STUDENT_GRADE which will inherit

from STUDENT_ID class as described below.

class STUDENT_GRADE: public STUDENT_ID{ public: // public methods for this class

STUDENT_GRADE(int, int); // example usage: STUDENT_ID C(5, 4); // constructor; // instantiates object C with 5 students and 4 grades each

void LIST_IDS(); // list the student ids using p0.h implementation

void LIST_GRADE(int); // example usage: C.LIST_GRADE(3333); // list the grades of student with id 3333 // returns no values

void LIST_RANGE(int); // example usage: C.LIST_RANGE(2); // list the range of grades in exam 2 // returns no values

// protected vars below can only be accessed within this class and inherited classes // they are not directly accessible from main protected: int p; int grades[20][10]; // 20 students and 8 exams per student max };

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

The objects of STUDENT_GRADE class will read the input values from a file called studentGrade.txt given in the following format:

int_11 int_12 int_13 int_21 int_22 int_23 ... int_n1 int_n2 int_n3

where each line corresponds to the same line in studentId.txt file as defined for project 0.

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

An example of constructor is as follows:

STUDENT_GRADE g(x, y);

which instantiates an object g of class STUDENT_GRADE with x students and y exams for each student. The constructor should call base class constructor as follows:

STUDENT_GRADE::STUDENT_GRADE(int x, int y) : STUDENT_ID(x) // call base class constructor { // your code for constructor }

Base constructor call will make STUDENT_ID class read the id values into ids variable as described in project 0.

After reading the exam values into protected variables, the output message to out.1.txt file is as follows: + P0 START + + P0 OUTPUT FROM STUDENT_ID CONSTRUCTOR: + P0 INSTANTIATED AN OBJECT OF CLASS STUDENT_ID WITH x STUDENT IDS. + P0 END + ++ P1 START ++ ++ P1 OUTPUT FROM STUDENT_GRADE CONSTRUCTOR ++ P1 AN OBJECT OF STUDENT_GRADE IS CREATED WITH x STUDENTS AND y EXAMS EACH. ++ P1 END ++

Note that the lines starting with P0 are generated by the base class.

Student id values will be between 0 and 9,999, inclusive.

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

Definition of LIST_IDS method is as follows:

G.LIST_IDS();

where G is an object of STUDENT_GRADE class.

This class will call LIST_ID method defined in STUDENT_ID class. The expected output is as follows:

++ P1 START ++ ++ P1 OUTPUT FROM LIST_IDS + P0 START + + P0 OUTPUT FROM LIST_ID METHOD: + P0 STUDENT IDS FOR n STUDENTS: + P0 id_0 + P0 id_2 ... + P0 id_n-1 ++ P1 END ++

Note that the output lines starting with P0 are generated by the base class.

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

Definition of LIST_GRADE method is as follows:

C.LIST_GRADE(x);

where C is an object of STUDENT_GRADE class and integer x is the student id.

This method will list the grades for student with id x as follows:

++ P1 START ++ ++ P1 OUTPUT FROM LIST_GRADE METHOD: ++ P1 GRADES FOR STUDENT x: ++ P1 GRADE FOR EXAM 0 IS: int_x_0 ++ P1 GRADE FOR EXAM 1 IS: int_x_1 ... ++ P1 GRADE FOR EXAM p IS: int_x_p-1 ++ P1 END ++

where integer p is the number of projects.

If there is no student with id x, the output will be:

++ P1 START ++ ++ P1 OUTPUT FROM LIST_GRADE METHOD: ++ P1 NO SUCH STUDENT ++ P1 END ++

If x value is illegal, the output will be:

++ P1 START ++ ++ P1 OUTPUT FROM LIST_GRADE METHOD: ++ P1 INPUT ERROR ++ P1 END ++

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

The definition of FIND_RANGE method is as follows:

C.FIND_RANGE(x);

where C is a object of class STUDENT_GRADE and x is the exam number. This method computes the range for exam x as the difference between the minimum and maximum grades. range = max - min

The output into out.1.txt file is with the following format:

++ P1 START ++ ++ P1 OUTPUT FROM LIST_RANGE METHOD: ++ P1 RANGE FOR EXAM x IS z. ++ P1 END ++

If x value is illegal, the output will be:

++ P1 START ++ ++ P1 OUTPUT FROM LIST_RANGE METHOD: ++ P1 INPUT ERROR ++ P1 END ++

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

:::::::::::::: EXAMPLE 1 ::::::::::::::::::::: ---------CONTENTS OF main1_1.cc FILE:----------- #include "p1.h" // example program: main1_1.cc int main () { STUDENT_GRADE G(5, 4); // instantiate an object C of class STUDENT_GRADE // with 5 student ids each with 4 exams

G.LIST_IDS(); return 0; } ---------CONTENTS OF studentId.txt FILE:--------------- 1111 3333 2222 5555 4444 ---------CONTENTS OF studentGrade.txt FILE:--------------- 81 91 61 71 83 93 63 73 82 92 62 72 85 95 65 75 84 94 64 74 ---------EXPECTED CONTENTS OF out.1.txt FILE:----- + P0 START + + P0 OUTPUT FROM STUDENT_ID CONSTRUCTOR: + P0 INSTANTIATED AN OBJECT OF CLASS STUDENT_ID WITH 5 STUDENT IDS. + P0 END + ++ P1 START ++ ++ P1 OUTPUT FROM STUDENT_GRADE CONSTRUCTOR ++ P1 AN OBJECT OF STUDENT_GRADE IS CREATED WITH 5 STUDENTS AND 4 EXAMS EACH. ++ P1 END ++ ++ P1 START ++ ++ P1 OUTPUT FROM LIST_IDS + P0 START + + P0 OUTPUT FROM LIST_ID METHOD: + P0 STUDENT IDS FOR 5 STUDENTS: + P0 1111 + P0 3333 + P0 2222 + P0 5555 + P0 4444 + P0 END + ++ P1 END ++ :::::::::::::: EXAMPLE 2 ::::::::::::::::::::: ---------CONTENTS OF main2.cc FILE:----------- #include "p1.h" // example program: main1_2.cc int main () { STUDENT_GRADE G(5, 4); // instantiate an object C of class STUDENT_GRADE // with 5 student ids each with 4 exams

G.LIST_GRADE(3333); // list the grades of student with id 3333

G.LIST_GRADE(8888); // no such student return 0; } ---------CONTENTS OF studentId.txt FILE:--------------- 1111 3333 2222 5555 4444 ---------CONTENTS OF studentGrade.txt FILE:--------------- 81 91 61 71 83 93 63 73 82 92 62 72 85 95 65 75 84 94 64 74 --------EXPECTED CONTENTS OF out.1.txt FILE:----- + P0 START + + P0 OUTPUT FROM STUDENT_ID CONSTRUCTOR: + P0 INSTANTIATED AN OBJECT OF CLASS STUDENT_ID WITH 5 STUDENT IDS. + P0 END + ++ P1 START ++ ++ P1 OUTPUT FROM STUDENT_GRADE CONSTRUCTOR ++ P1 AN OBJECT OF STUDENT_GRADE IS CREATED WITH 5 STUDENTS AND 4 EXAMS EACH. ++ P1 END ++ ++ P1 START ++ ++ P1 OUTPUT FROM LIST_GRADE METHOD: ++ P1 GRADES FOR STUDENT 3333: ++ P1 GRADE FOR EXAM 0 IS: 83 ++ P1 GRADE FOR EXAM 1 IS: 93 ++ P1 GRADE FOR EXAM 2 IS: 63 ++ P1 GRADE FOR EXAM 3 IS: 73 ++ P1 END ++ ++ P1 START ++ ++ P1 OUTPUT FROM LIST_GRADE METHOD: ++ P1 NO SUCH STUDENT ++ P1 END ++ :::::::::::::: EXAMPLE 3 ::::::::::::::::::::: ---------CONTENTS OF main3.cc FILE:----------- #include "p1.h" // example program: main1_3.cc int main () { STUDENT_GRADE G(5, 4); // instantiate an object C of class STUDENT_GRADE // with 5 student ids each with 4 exams

G.LIST_RANGE(3); // find the range for exam 3 G.LIST_RANGE(5); // input error return 0; } ---------CONTENTS OF studentId.txt FILE:--------------- 1111 3333 2222 5555 4444 ---------CONTENTS OF studentGrade.txt FILE:--------------- 81 91 61 71 83 93 63 73 82 92 62 72 85 95 65 75 84 94 64 74 ---------CONTENTS OF out.1.txt FILE:--------------- + P0 START + + P0 OUTPUT FROM STUDENT_ID CONSTRUCTOR: + P0 INSTANTIATED AN OBJECT OF CLASS STUDENT_ID WITH 5 STUDENT IDS. + P0 END + ++ P1 START ++ ++ P1 OUTPUT FROM STUDENT_GRADE CONSTRUCTOR ++ P1 AN OBJECT OF STUDENT_GRADE IS CREATED WITH 5 STUDENTS AND 4 EXAMS EACH. ++ P1 END ++ ++ P1 START ++ ++ P1 OUTPUT FROM LIST_RANGE METHOD: ++ P1 RANGE FOR EXAM 3 IS 4. ++ P1 END ++ ++ P1 START ++ ++ P1 OUTPUT FROM LIST_RANGE METHOD: ++ P1 INPUT ERROR ++ P1 END ++

p0.h file

#include #include

using namespace std;

ifstream input_file("studentId.txt", ios::in); ofstream output_file("out.0", ios::out);

class STUDENT_ID{ public: // public methods for this class

STUDENT_ID(int); // example usage: STUDENT_ID C(3); // constructor; // instantiates object C with 3 grades

void LIST_ID(int); // example usage: C.LIST_ID(x); // if x is 1, list the ids // if x is -1, list the ids in reverse order // returns no values

private: // private vars to at can be accessed within this class only (not from main) int n; // noof students int ids[20]; // student ids };

STUDENT_ID::STUDENT_ID(int x) { int i; n=x; for (i=0; i> ids[i]; } output_file<<"+ P0 START"<

output_file<<"+ OUTPUT FROM STUDENT_ID CONSTRUCTOR:"<

}

void STUDENT_ID::LIST_ID(int x) { int i; output_file<<"+ P0 START"<

} } else if (x == -1) { output_file<<"+ STUDENT IDS FOR" << n <<"STUDENTS IN REVERSE ORDER:"<=0; i--) { output_file<< "+"<< ids[i]<

}

p1.h file where the codes will be appeared.

#include #include #include "/ee259/tools/pro_0/sample_p0.h" // implementation of base class

using namespace std;

ifstream input_file_p1("studentGrade.txt", ios::in); //ofstream output_file_p1("out.1", ios::app);

class STUDENT_GRADE: public STUDENT_ID{ public: // public methods for this class

STUDENT_GRADE(int, int); // example usage: STUDENT_ID C(5, 4); // constructor; // instantiates object C with 5 students and 4 grades each

void LIST_IDS(); // list the IDs using p0.h implementation

void LIST_GRADE(int); // example usage: C.LIST_GRADE(3333); // list the grades of student with id 3333 // returns no values

void LIST_RANGE(int); // example usage: C.LIST_RANGE(2); // list the range of grades in exam 2 // returns no values

// protected vars below can only be accessed within this class and inherited classes // they are not directly accessible from main protected: int p; int grades[20][10]; // 20 students and 8 exams per student max };

STUDENT_GRADE::STUDENT_GRADE(int x, int y) : STUDENT_ID(x) { int i, j; output_file_p1 << "++ P1 START ++" << endl;

output_file_p1 << "++ P1 END ++" << endl; }

void STUDENT_GRADE::LIST_IDS() { output_file_p1 << "++ P1 START ++" << endl;

output_file_p1 << "++ P1 END ++" << endl; }

void STUDENT_GRADE::LIST_GRADE(int x) { int i, j; int FOUND, FOUND_POS;

output_file_p1 << "++ P1 START ++" << endl;

output_file_p1 << "++ P1 END ++" << endl;

}// end method

void STUDENT_GRADE::LIST_RANGE(int x) { int i, j; int min, max, range;

output_file_p1 << "++ P1 START ++" << endl;

output_file_p1 << "++ P1 END ++" << endl; }// end method