Write the code for the infixprint() function so that it prints the tree in infix order.
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Consider the following bnode class that is used to build binary trees.
class bnode{ public: bnode*left; bnode *right; string data; void infixprint(void); };
Write the code for the infixprint() function so that it prints the tree in infix order.
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- C++ DATA STRUCTURES Implement the TNode and Tree classes. The TNode class will include a data item name of type string,which will represent a person’s name. Yes, you got it right, we are going to implement a family tree!Please note that this is not a Binary Tree. Write the methods for inserting nodes into the tree,searching for a node in the tree, and performing pre-order and post-order traversals.The insert method should take two strings as input. The second string will be added as a child node tothe parent node represented by the first string. Hint: The TNode class will need to have two TNode pointers in addition to the name data member:TNode *sibling will point to the next sibling of this node, and TNode *child will represent the first child ofthis node. You see two linked lists here??? Yes! You’ll need to use the linked listsComputer Science JAVA Write a program that maintains the names of your friends and relatives and thus serves as a friends list. You should be able to enter, delete, modify, or search this data. You should assume that the names are unique. use a class to represent the names in the friends list and another class to represent the friends list itself. This class should contain a Binary Search Tree of names as a data field. (TreeNode Class BinarySearchTree Class FriendsList Class)Book{ AvlNode{ AvlTree{String title Book insert()int ID int height printTree()String author AvlNode left height()double price AvlNode right max()} } }From your understanding of AVL trees, implement the four different types of rotations and node swoping inside AvlTree.java; each question must be completed with inline Javadoc and/or comments:1. rotRight(AvlNode someNode) and returns AvlNode.2. rotLeft(AvlNode someNode) and returns AvlNode.3. doubleRotLeft(AvlNode someNode) and returns AvlNode. 4. doubleRotRight(AvlNode someNode) and returns AvlNode. 5. Complete a driver code under the main method
- Course: Data Structure and Algorithms Language: C++ Question is well explained Question #2Implement a class for Circular Doubly Linked List (with a dummy header node) which stores integers in unsorted order. Your class definitions should look like as shown below: class CDLinkedList;class DNode {friend class CDLinkedList;private int data;private DNode next;private DNode prev;};class CDLinkedList {private:DNode head; // Dummy header nodepublic CDLinkedList(); // Default constructorpublic bool insert (int val); public bool removeSecondLastValue (); public void findMiddleValue(); public void display(); };in C++, create a binary search tree class using the class templatr below. class BinarySearchTree{ public:BinarySearchTree(); ~BinarySearchTree(); const int & findMin() const; const int & findMax() const; bool contains(cons tint &x) const; bool isEmpty(); void insert(const int &x); void remove(const int &x); private: struct BinaryNode{ int element; BinaryNode *left; BinaryNode *right; BinaryNode(const int &el, BinaryNode *lt, BinaryNode *rt) :element(el), left(lt), right(rt){} }; BinaryNode *root; void insert(const int &x, BinaryNode *&t) const; void remove(const int &x, BinaryNode *&t) const; BinaryNode * findMin(BinaryNode *t) const; BinaryNode * findMax(BinaryNode *t) const; bool contains(cons tint &x, BinaryNode *t) const; };Assignment 4 The goal of this assignment is to write a Java program that finds the lowest common ancestor of two nodes in a binary tree. To accomplish this goal, you will have to implement a program that allows the user to ask for two letters on the tree shown below, and finds the lowest common ancestor of those two nodes in the tree.
- Please fill in the code gaps if possible. This problem has been giving me trouble. Any help is appreciated. public class Node { private String element; // we assume elements are character strings private Node next; /* Creates a node with the given element and next node. */ public Node(String s, Node n) { //fill in body } /* Returns the element of this node. */ public String getElement() { //fill in body } /* Returns the next node of this node. */ public Node getNext() { //fill in body } // Modifier methods: /* Sets the element of this node. */ public void setElement(String newElem) { //fill in body } /* Sets the next node of this node. */ public void setNext(Node newNext) { //fill in body } }Graphs: Depth First Traversal Starting with the same graph program as last assignment, implement a depth first traversal method. Test iy on nodes 1, 2, and 3 as start nodes. Graph program: #include <iostream>#include <vector>#include <string>using namespace std; class Edge;//-------------------------------------------------------------////class Node{public:Node(string iname){name = iname;}string name;int in_count = 0;bool visited = false; vector<Edge *> out_edge_list;};//-------------------------------------------------------------////class Edge{public:Edge(string iname, double iweight, Node *ifrom, Node *ito){name = iname;weight = iweight;from = ifrom;to = ito;} string name;double weight;Node *from;Node *to;bool visited = false;}; //-------------------------------------------------------------////class Graph{public:vector<Node *> node_list;vector<Edge *> edge_list; //----------------------------------------------------------//Node*…struct insert_into_bst { // Function takes a constant Book as a parameter, inserts that book indexed by // the book's ISBN into a binary search tree, and returns nothing. void operator()(const Book& book) { // // TO-DO (7) ||| ///// // Write the lines of code to insert the key (book's ISBN) and value // ("book") pair into "my_bst". END-TO-DO (7) | } std::map& my_bst; };
- Get the Longest Path Write a member function called DLList BST:: get longest_path() that returns a DLL of the longest path in the tree. For example, the red nodes in the following tree are on the longest path and should be added to the list. In case there are multiple longest paths, retrieve any of them.#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…C++ PROGRAMMINGTopic: Binary Search Trees Explain the c++ code below.: It doesn't have to be long, as long as you explain what the important parts of the code do. (The code is already implemented and correct, only the explanation needed) node* left(node* p) { return p->left; } node* right(node* p) { return p->right; } node* sibling(node* p){ if(p != root){ node* P = p->parent; if(left(P) != NULL && right(P) != NULL){ if(left(P) == p){ return right(P); } return left(P); } } return NULL; } node* addRoot(int e) { if(size != 0){ cout<<"Error"<<endl; return NULL; } root = create_node(e,NULL); size++; return root; } node* addLeft(node* p, int e) { if(p->left == NULL){ node* newLeft =…