program16

#include<iostream.h>
#include<conio.h>
#include<string.h>
int ans=0;
class books
{
char *ath,*tt,*pb;
int p,stock;
public:void accept();
       void sale(char a[20],char b[20],char c[20],int d,int no);
       void purch();
       void display();
};
void books::accept()
{
ath=new char[20];
tt=new char[20];
pb=new char[20];
cout<<"\nenter author name:-";
cin>>ath;
cout<<"\nenter title:-";
cin>>tt;
cout<<"\nenter publisher name:-";
cin>>pb;
cout<<"\nenter price:-";
cin>>p;
cout<<"\nenter how much you have stock:-";
cin>>stock;
}
void books::sale(char a[20],char b[20],char c[20],int d,int no)
{
int x,y,z;
x=strcmp(a,ath);
y=strcmp(b,tt);
z=strcmp(c,pb);
if(x==0&&y==0&&z==0&&d==p&&no<=stock)
{
stock=stock-no;
ans=1;
}

}
void books::purch()
{
ath=new char[20];
tt=new char[20];
pb=new char[20];
cout<<"\nenter book details for purchasing\n\n";
cout<<"\nenter author name:-";
cin>>ath;
cout<<"\nenter title:-";
cin>>tt;
cout<<"\nenter publisher name:-";
cin>>pb;
cout<<"\nenter price:-";
cin>>p;
cout<<"\nenter number of copy is to be purchased:-";
cin>>stock;
}
void books::display()
{
cout<<"\n"<<ath<<"\t"<<tt<<"\t"<<pb<<"\t"<<p<<"\t"<<stock<<"\n";
}
int main()
{
books bk[10];
clrscr();
for(int i=0;i<2;i++)
bk[i].accept();
char a[20],b[20],c[20];
int d,no;
cout<<"\nenter book details for selling\n\n";
cout<<"\nenter author name:-";
cin>>a;
cout<<"\nenter title:-";
cin>>b;
cout<<"\nenter publisher name:-";
cin>>c;
cout<<"\nenter price:-";
cin>>d;
cout<<"\nenter number of copy is to be sold:-";
cin>>no;
for(i=0;i<2;i++)
bk[i].sale(a,b,c,d,no);
if(ans==1)
cout<<"book was sold successfully";
else
{
cout<<"sorry you dont have sufficient stock\nyou need to purchase the book\n";
bk[i++].purch();
}
cout<<"\ndetails of all books\n";
for(int j=0;j<i;j++)
bk[j].display();
getch();
return 0;
}
/*
enter price:-12
                                                                               
enter how much you have stock:-4                                               
                                                                               
enter author name:-we                                                          
                                                                               
enter title:-rt                                                                
                                                                               
enter publisher name:-fgg                                                      
                                                                               
enter price:-12                                                                
                                                                               
enter how much you have stock:-567                                             
                                                                               
enter book details for selling                                                 
                                                                               
                                                                               
enter author name:-e                                                           
                                                                               
enter title:-f                                                                 

enter publisher name:-t                                                        
                                                                               
enter price:-4                                                                 
                                                                               
enter number of copy is to be sold:-6                                          
sorry you dont have sufficient stock                                           
you need to purchase the book                                                  
                                                                               
enter book details for purchasing                                              
                                                                               
                                                                               
enter author name:-a                                                           
                                                                               
enter title:-c                                                                 
                                                                               
enter publisher name:-b                                                        
                                                                               
enter price:-32                                                                
                                                                               
enter number of copy is to be purchased:-55
                                                                               
details of all books                                                           
                                                                               
qw      er      df      12      4                                              
                                                                               
we      rt      fgg     12      567                                            
                                                                               
a       c       b       32      55
*/