Xây dựng lớp đối tượng sách trong thư viện

/************************************************************/

#include <iostream>
#include <string.h>

using namespace std;

class CBook
{
private:
char* name;
int totalBook;
int numOfBorrowed;
public:
CBook()
{
name = NULL;
totalBook = 0;
numOfBorrowed = 0;
}
~CBook()
{
if(name) delete name;
}

// nhap du lieu sach
void import()
{
char temp[256];
memset(temp, 256, NULL);
fflush(stdin);
cout << "\nNhap ten sach: ";
gets(temp);
name = strdup(temp);
cout << "\nNhap tong so sach: ";
scanf("%d", &totalBook);
cout << "\nNhap so sach cho muon: ";
scanf("%d", &numOfBorrowed);
}
// in ra thong tin sach
void print()
{
cout << "\n--------------------------------";
cout << "\nTen sach: " << name;
cout << "\nTong so sach: " << totalBook;
cout << "\nTong so sach cho muon: " << numOfBorrowed;
cout << "\nSo sach con lai: " << remainBook();
}
int remainBook()
{
return (totalBook - numOfBorrowed);
}
};

void main()
{
CBook* book;
int n, i;

cout << "\nNhap tong so loai sach can nhap: ";
scanf("%d", &n);
book = new CBook[n];

for (i = 0; i < n; i++)
{
book[i].import();
}
for (i = 0; i < n; i++)
{
book[i].print();
}
delete [n] book;
system("pause");
}