#include <iostream.h> #include <stdio.h> #include <stdlib.h> #include <conio.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)  {  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. 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; } 
  
это очень срочно((