book.cpp

#include<iostream>
#include<stdlib.h>
using namespace std;
struct node
{
char title[60]; int count;
node *child[50];
}*root;
class tree
{
public:
void insert();
void display();
tree()
{
root == NULL;
}
};
void tree::insert()
{
int secount;
root = new node(); cout<<"Enter the name of book : ";
cin>>root->title;
cout<<"Enter the total number of chapters in book : ";
 cin>>root->count;
for(int i=0;i<root->count;i++)
{
root->child[i] = new node(); cout<<"Enter the name of chapters : ";
cin>>root->child[i]->title;
cout<<"Enter the number of sections : "; 
cin>>root->child[i]->count;
for(int j=0;j<root->child[i]->count;j++)
{
root->child[i]->child[j] = new node(); 
cout<<"Enter the name of section : "; 
cin>>root->child[i]->child[j]->title;
cout<<"Enter the number of sub sections : "; 
cin>>root->child[i]->child[j]->count; 
for(int k=0; k<root->child[i]->child[j]->count; k++)
{
root->child[i]->child[j]->child[k] = new node();
cout<<"Enter the name of sub section : ";
cin>>root->child[i]->child[j]->child[k]->title;
}
}
}
}
void tree::display()
{
if(root != NULL)
{
cout<<"********** Hierarchy of Book **********"<<endl;
 cout<<"Book Name is "<<root->title<<endl;
for(int i=0; i<root->count; i++)
{
cout<<"— "<<root->child[i]->title<<endl; 
for(int j=0; j<root->child[i]->count; j++)
{
cout<<"——– "<<root->child[i]->child[j]->title<<endl;
for(int k=0; k<root->child[i]->child[j]->count; k++)
{
cout<<"—————– "<<root->child[i]->child[j]->child[k]->title<<endl;
}
}
}
}
}
int main()
{
tree t;
int ch;
do
{
cout<<"~~~~~ MENU ~~~~~"<<endl; 
cout<<"1. Insert."<<endl;
 cout<<"2. Display."<<endl;
  cout<<"Enter the choice:";
cin>>ch;
switch(ch)
{
case 1: t.insert();
break;
case 2: t.display();
break;
}
}while(ch<3);
}