Given the following definition of the TreeNode struct and data member of the BinarySearchTree class: struct TreeNode { unsigned value; // data field TreeNode left; // to hold the address of the left child TreeNode *right; // to hold the address of the right child }; class BinarySearch Tree { private: TreeNode *root_; // Pointer to the root node In the following space, implement the public facing count method and its private recursive count helper function of the BinarySearch Tree class to return the number of nodes in the tree. It is important that the function header reflects the fact that counting nodes shall not affect the content of the invoking tree. These functions are to be saved in the BinarySearch Tree.cpp file.

Given the following definition of the TreeNode struct and data member of the BinarySearchTree class: struct TreeNode { unsigned value; // data field TreeNode left; // to hold the address of the left child TreeNode right; // to hold the address of the right child }; class BinarySearch Tree { private: TreeNode root_; // Pointer to the root node In the following space, implement the public facing count method and its private recursive count helper function of the BinarySearch Tree class to return the number of nodes in the tree. It is important that the function header reflects the fact that counting nodes shall not affect the content of the invoking tree. These functions are to be saved in the BinarySearch Tree.cpp file.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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2. Write the code for preorder traversal of a binary tree. struct node{ int data; struct node *left, *right; } void preorder(node *x) { }
Given the following struct that represents a binary tree: struct Node { int key: Node "parent; Node "left; Node "right; Nodelint k) : key(k), parent(nullptr), left(nullptr), right(nullptr) (I: 1: Write a recursive function that prints out the nodes in a tree stored using the above structure in order to cout. The function prints the depth (root depth is at 0) and key of that node separated by a colon (Example "O: 10\n" for root with key 10). Your function CAN NOT create any local variables and can only use what is passed to the function. Use the below function signature (NOTE: this is not a class method). void inorderAndDepth(Node "node, int depth)
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class Node{// attributesint ID;String name; Node left; // left child Node right; // right child}class BinarySearchTree{// attributesNode root;// methodssearch(int key, Node root);void insert(int key, Node root);void delete(int key, Node root);}Extend the BinarySearchTree class:1 Write code for the method search(int key, Node root)2 Write code for the method insert(int key, Node root)3 Write code for the method delete(int key, Node root)4 Write code for a main method to build a BSTTest your code with the input in the worked example.Input:// id, name41, notes11, personal61, work30, shopping5, recipes55, proposal70, thesis10, muffins43, draft
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#ifndef BT_NODE_H#define BT_NODE_H struct btNode{ int data; btNode* left; btNode* right;}; // pre: bst_root is root pointer of a binary search tree (may be 0 for// empty tree) and portArray has the base address of an array large// enough to hold all the data items in the binary search tree// post: The binary search tree has been traversed in-order and the data// values are written (as they are encountered) to portArray in// increasing positional order starting from the first elementvoid portToArrayInOrder(btNode* bst_root, int* portArray);void portToArrayInOrderAux(btNode* bst_root, int* portArray, int& portIndex); // pre: (none)// post: dynamic memory of all the nodes of the tree rooted at root has been// freed up (returned back to heap/freestore) and the tree is now empty// (root pointer contains the null address)void tree_clear(btNode*& root); // pre: (none)// post: # of nodes contained in tree rooted at root is returnedint…
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