fix my code error please

it is supoosed to match the expected output and my error is highlighted

the first picture ia my output

the second picture is the expected output

everything else should be correct

#include

#include

#include

#include

#include

using namespace std;

void menu();

void add_student(vector&name, vector&grade, int &n);

void remove_student(vector&name, vector&grade, int &n);

void print_class_summary(vector&name, vector&grade, int n);

int main() {

cout

int n;

cout

cin >> n;

int i;

vector students_name;

vector grade_average;

for(i = 0; i

string first, last;

double grade;

cout

cin >> first;

cin >> last;

cin >> grade;

students_name.push_back(first + " " + last);

grade_average.push_back(grade);

}

cout

char choice;

menu();

do {

cout

cin >> choice;

switch(choice) {

case 'a' :

add_student(students_name, grade_average, n);

break;

case 'r' :

remove_student(students_name, grade_average, n);

break;

case 'p' :

print_class_summary(students_name, grade_average, n);

break;

case 'm' :

menu();

break;

case 'q' :

break;

default :

cout

}

}while(choice != 'q');

return 0;

}

void menu() {

// This function prints the menu

cout

cout

cout

cout

cout

cout

}

void add_student(vector&name, vector&grade, int &n) {

string first, last;

double gr;

cout

cin >> first;

cin >> last;

cin >> gr;

name.push_back(first + " " + last);

grade.push_back(gr);

n++;

}

void remove_student(vector&name, vector&grade, int &n) {

int position = -1;

string remove_name;

cout

cin.ignore();

getline(cin, remove_name);

int i;

for(i = 0; i

if(name[i].compare(remove_name) == 0) {

cout

break;

}

}

if(i != n) {

name.erase(name.begin() + i);

grade.erase(grade.begin() + i);

cout

n--;

}

else {

cout

}

}

void print_class_summary(vector&name, vector&grade, int n) {

cout

cout

cout

cout

double sum_of_grades = 0;

for(int i = 0; i

cout

sum_of_grades += grade[i];

}

cout

cout

cout

cout

cout

cout

}

Help Me Create A Student Roster Bruce Banner Peter Parker Diana Prince Janet Dyne Mickey Mouse Your output Number of Students: 93.50 94.40 100.00 86.30 96.38 6 Average Grade: 93.03 selection: Please enter students first and last name: Peter Parker Removing: selection: Class Summary Name Grade --- Tony Stark Bruce Banner Diana Prince Janet Dyne Mickey Mouse Number of students: 87.60 93.50 100.00 86.30 96.38 5 COP 3014: Programming I home > Et 3 - Help Me Create A Student Roster Name Grade Tony Stark Bruce Banner Peter Parker Diana Prince Janet Dyne Mickey Mouse Number of Students: 87.60 93.50 94.40 100.00 86.30 96.38 Expected output 6 Average Grade: 93.03 selection: Please enter students first and last name: Removing: Peter Parker selection : Class Summary Name Grade Tony Stark Bruce Banner Diana Prince Janet Dyne Mickey Mouse Number of students 87.60 93.50 100.00 86.30 96.38 MacBook