Homework Help is Here – Start Your Trial Now!
Engineering
Computer Engineering
Create an AVL Tree C++ class that works similarly to std::map, but does NOT use std::map. In the private section, any members or methods may be modified in any way. Standard pointers or unique pointers may be used.

Create an AVL Tree C++ class that works similarly to std::map, but does NOT use std::map. In the private section, any members or methods may be modified in any way. Standard pointers or unique pointers may be used.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
See similar textbooks
icon
Related questions
Question

C++ Data Structure:

Create an AVL Tree C++ class that works similarly to std::map, but does NOT use std::map.

In the private section, any members or methods may be modified in any way. Standard pointers or unique pointers may be used.

#ifndef avltree_h
#define avltree_h

#include <memory>

template <typename Key, typename Value=Key>
class AVL_Tree {
public:
     classNode {
     private:
         Key k;
         Value v;
         int bf; //balace factor
         std::unique_ptr<Node> left_, right_;
         Node(const Key& key) : k(key), bf(0) {}
         Node(const Key& key, const Value& value) : k(key), v(value), bf(0) {}

     public:
         Node *left() {
             return left_.get();
     }
     Node *right() {
         return right_.get();
     }
     const Key& key() const {
         return k;
     }
     const Value& value() const {
         return v;
     }
     const int balance_factor() const {
          eturn bf;
     }

     friendclassAVLTree<Key, Value>;
   };

     private:
         std::unique_ptr<Node> root_;
         int size_;

     public:
         AVLTree() : size_(0) {}

// TODO: Develop a code to update the balance factor and rebalance

     Value&operator[](constKey&key) {
          // Try to find the node with the value we want:
         std::unique_ptr<Node> *cur;
         for (cur = &root_;
             cur->get() != nullptr;
             cur = key < (*cur)->k ? &(*cur)->left_ : &(*cur)->right_) {
         if (key == (*cur)->k) {
             return (*cur)->v;
         }
     }
     // If we did not find it, then insert a new node with that key:
     // (This is the same behaviour as an std::map.)
     cur->reset(newNode(key));
     ++size_;
     return (*cur)->v;
}

     intsize() {
         returnsize_;
     }

     Node *root() {
         return root_.get();
     }
};

#endif
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY
SEE MORE TEXTBOOKS