Составить программу, которая содержит текущую информацию о книгах в библиотеке

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <windows.h>
 
using namespace std;
 
struct LIBRARY
{
char nomer[30];
char FIO[30];
char nazvanie[40];
int Year;
int kolvo;
};
 
struct STR
{
LIBRARY *Library;
STR *next;
};
 
STR * create(LIBRARY * Library)
{
STR *root=new STR;
root->Library=Library;
root->next=NULL;
return root;
}
 
void add(LIBRARY *Library, STR* root)
{
while(root->next)
root=root->next;
root->next=new STR;
root->next->Library=Library;
root->next->next=NULL;
}
 
void printLIBRARY(LIBRARY *Library) //a^u^a^i^a" i'a` y'e^?a`i'
{
 
cout<<"Nomer => "<<Library->nomer<<endl;
cout<<"FIO => "<<Library->FIO<<endl;
cout<<"Nazvanie => "<<Library->nazvanie<<endl;
cout<<"Year => "<<Library->Year<<endl;
cout<<"Kolvo => "<<Library->kolvo<<endl;
cout<<endl;
 
}
LIBRARY * makeLIBRARY()
{
cout<<"Enter book data:"<<endl;
LIBRARY *Library=new LIBRARY;
fflush(stdin);
cout<<"Enter book nomer: => ";
cin.getline(Library->nomer,30);
 
cout<<"Enter Author's FIO: => ";
cin.getline(Library->FIO,30);
 
cout<<"Enter book name: => ";
cin.getline(Library->nazvanie,40);
 
cout<<"Enter made year: => ";
cin>>Library->Year;
 
cout<<"Enter count of books: => ";
cin>>Library->kolvo;
 
return Library;
}
int choice()
{
int answer;
getch();
system("cls");
cout<<"Main menu"<<endl;
cout<<"1. Add new books to the list"<<endl;
cout<<"2. Print LIBRARY at list"<<endl;
cout<<"3. Search and delete"<<endl;
cout<<"4. Clear all entries"<<endl;
cout<<"5. Load"<<endl;
cout<<"6. Save"<<endl;
cout<<"0. Exit"<<endl;
cout<<"Enter your choice: ";
cin>>answer;
fflush(stdin);
if(answer>=1 && answer<=5)
return answer;
else
return 0;
}
 
int main()
{
STR *root=NULL;
int ch;
while(1)
{
ch=choice();
if(ch==1)
{
cout<<endl;
if(root==NULL)
root=create(makeLIBRARY());
else
add(makeLIBRARY(),root);
}
 
else if(ch==2)
{
cout<<endl;
int i=0;
int N=0;
 
STR *proot=root;
while (root)
{
N++;
root=root->next;
}
 
LIBRARY *buf;
LIBRARY **pLibrary=new LIBRARY*[N];
root=proot;
 
while (root)
{
pLibrary[i]=root->Library;
root=root->next;
i++;
}
 
root=proot;
 
 
for (i=0;i<N;i++)
printLIBRARY(pLibrary[i]);
 
}
 
else if(ch==3)
{
char qwe[30];
char qw[30], q[1];
cout<<"Enter nomer of book => "<<endl;
cin.getline(qwe,30);
while (root)
{
if (!strcmp(qwe,root->Library->nomer))
{
{
printLIBRARY(root->Library);
cout<<"Do you want clear this entries? (y/n) "<<endl;
cin.getline(q,1);
if (!strcmp(q,"y"))
{
root->Library=NULL;
}
root=root->next;
}
}
else if (strcmp(qwe,root->Library->nomer))
root=root->next;
}
 
cout<<endl;
}
 
else if(ch==5)
{
break;
cout<<endl;
}
 
}
return 0;
}