I want code in c++ to Sort records by scores in ascending order from 5 to 0 for game and show the record for players id,name, score and date of birth and to complete the code below.

/*

Menu:

1 - Add a player

2 - Search a player

3 - Update a student

4 - Delete a player

5 - Sort rank

6 - Display players record

7 - Sort records by scores

8 - Show students by grade

9 - Show students by gender

10 - Show students born in month ##

*/

#include

#include

using namespace std;

//Global variables

const int SIZE=20; //global constant

int count=0; //actual size of array

//Structures Declaration

struct Date

{

int day;

int month;

int year;

};//end of struct Date

struct player

{

string id;

string user;

Date dob;

double score;

string rank; //computed by an internal function

} pl[SIZE]; //global array of struct Student

//Functions Prototypes

int menu(); //bav=

string compute_rank(double score);

void add_record();

void delete_record();

void update_record();

void sort_records();

bool emptyArray();

int find_max();

int search();

void search(char gender);

void show_record(int i);

void print_records();

void print_records(int month);

void print_records(char grade);

int main()

{

int choice;

int Size;

cout << "enter a size : " ;

cin >> Size ;

//Show a menu to the user

do{

choice=menu();

switch (choice)

{

case 1: //Add new student

if (count

add_record();

else

cout<<" ERROR: The array is full.You need to delete items first!";

break;

case 2: //delete a student

if (!emptyArray())

delete_record();

break;

case 3: //update student's score

if (!emptyArray())

update_record();

break;

case 4: //print all records

if (!emptyArray())

print_records();

break;

case 5: //find the max score

if (!emptyArray())

{

int i=find_max();

show_record(i);

}//end if

break;

case 6: //find a student by ID

if (!emptyArray())

{

int i=search();

if (i>=0)

show_record(i);

else

cout<<" Not found!! ";

}//end if

break;

case 7: //sort records by scores

if (!emptyArray())

sort_records();

break;

case 8: //Show students by rank

if (!emptyArray())

{

string rank;

cout<<" Please enter a grade (A/B/C/D/F): ";

cin>>rank; //add do while and check later

print_records(string rank);

}//end if

break;

case 9: cout<<" Thanks for using our program! ";

break;

default: cout<<" Incorrect menu option.";

}//end switch

}while(choice!=9);

return 0;

}//end of main

int menu()

{

int choice;

cout<<" Please choose a task:"

<<" 1 - Add a student"

<<" 2 - Delete a student"

<<" 3 - Update a student"

<<" 4 - View all records"

<<" 5 - Find the max score"

<<" 6 - Find a student by ID"

<<" 7 - Sort records by scores "

<<" 8 - Show students by grade"

<<" 9 - Show students by gender"

<<" 10 - Show students born in month ##"

<<" 11 - Exit"

<<" ***********************************"

<<" >> ";

cin>>choice;

return choice;

}//end of menu

string compute_rank(double score)

{

if (score>=5.0)

return "master grand ";

else if (score>=4.0)

return "master ";

else if (score>=3.0)

return "paltinum";

else if (score>=2.0)

return "gold ";

else

return "silver";

}//end of compute_grade

void add_record()

{

cout<<"Please enter player info: ";

cout<<" ID: "; cin>>pl[count].id;

cout<<"Name: "; cin>>pl[count].user;

cout<<"Date of birth (DD-MM-YYYY): ";

cout<<" Day: "; cin>>pl[count].dob.day;

cout<<"Month: "; cin>>pl[count].dob.month;

cout<<"Year: " ; cin>>pl[count].dob.year;

//check_dob(st[count].dob); //by ref

cout<<"Score: "; cin>>pl[count].score;

//check_score(st[count].score);

pl[count].rank=compute_rank(pl[count].score);

count++;

}//end of add_record

void print_records()

{

for (int i=0;i

show_record(i);

}//end of print_records

void show_record(int i)

{

cout<<" Student "<<(i+1)

<<": \tID :"<

<<" \tName : "<

<<" \tScore :"<

<<" \tDate of Birth (DD-MM-YYYY): "<

<<" ------------------------------------------------";

}//end of show_record

void print_records(int month)

{

for (int i=0;i

if (pl[i].dob.month==month)

show_record(i);

}//end of print records by month

void print_records(string rank)

{

for (int i=0;i

if (pl[i].rank==rank)

show_record(i);

}//end of print_records by rank

void delete_record()

{

int index=search();

if (index<0)

{

cout<<" Not found!! ";

return; //exit from the function

}//end if

//delete if found i.e. index>=0

for (int j=index; j< count; j++) //shifting up

pl[j]=pl[j+1];

count--;

cout<<" player deleted successfully. ";

}//end of delete_record

void update_record()

{//update student's score only

int index=search();

if (index<0)

{

cout<<" Not found!! ";

return; //exit from the function

}//end if

//update if found i.e. index>=0

cout<<" Old score: "<

cout<<" New score: ";

cin>>pl[index].score;

//check_score(st[index].score); //later

pl[index].rank=compute_rank(pl[index].score); //update student's grade

cout<<" player score updated successfully. ";

}//end of update_record

bool emptyArray()

{

if (count==0)

{

cout<<" ERROR: Array is empty!! ";

return true;

}//end if

return false;

}//end of empty Array

/*int find_max()

{

double max=st[0].score;

int max_indx=0;

for (int i=1;i

if (st[i].score>max)

{

max=st[i].score;

max_indx=i;

}//end if

return max_indx;

}//end of find_max

*/

int search()

{//classic search by ID

string id;

cout<<" Please enter a student ID:";

cin>>id;

for (int i=0;i

if (pl[i].id==id)

return i;

return -1; //i.e. not found

}//end of search by ID

void sort_records()

{//sort by scores descendingly max-to-min

bool ordered=false;

player temp;

if (count < 2)

cout<<" Nothing to sort!!";

for(int i = 0; i < count-1 && ordered==false ; ++i)

{

ordered=true;

for(int j = 0; j < count-1;++j)

if(pl[j].score < pl[j+1].score)

{

ordered=false;

temp = pl[j];

pl[j] = pl[j+1];

pl[j+1] = temp;

}//end if

}//end for

cout<<" Scores in descending order:";

print_records();

}//end of sort_records