Create a function that takes an array that represent a Binary Tree and a value and return true if the value is in the tree and, false otherwise. Examples valueInTree (arr1, 5) → true valueInTree (arr1, 9) → false valueInTree (arr2, 51) → false
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- Computer 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)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 listsCourse: 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(); };
- C programming I need a code that asks the user for how many times it'll run and run that many time and ask the user for a number and it puts that number into a binary search tree and an array using diffrent functionsSubject-Object oriented programing Write a program which:• creates a new Array List• adds 5 decimal numbers to it• prints the list to the screenb) In the same program, insert an element in the above ArrayList at index 2. The resulting Array Listmust be one element larger. Print the resulting list to the screen.c) In the same program, replace the element in the ArrayList at index 2 by null. Print the resulting list tothe screen.d) In the same program, remove the element at the last index of the Array List. Print the resulting list tothe screen.e) In the same program, use a 'for' loop to print each element of the Array List to the screen.f) Create a class named ArrayListManager. Into this class, code a method which prints to the screenevery element of an Array List of strings placed at an odd index. Hint: use a modulus.struct nodeType { int infoData; nodeType * next; }; nodeType *first; … and containing the values(see image) Using a loop to reach the end of the list, write a code segment that deletes all the nodes in the list. Ensure the code performs all memory ‘cleanup’ functions.
- struct remove_from_front_of_dll { // Function takes no parameters, removes the book at the front of a doubly // linked list, and returns nothing. void operator()(const Book& unused) { //// TO-DO (13) |||| // Write the lines of code to remove the book at the front of "my_dll", // // Remember, attempting to remove an element from an empty data structure is // a logic error. Include code to avoid that. ///// END-TO-DO (13) //// } std::list& my_dll; };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_at_back_of_dll { // Function takes a constant Book as a parameter, inserts that book at the // back of a doubly linked list, and returns nothing. void operator()(const Book& book) { / // TO-DO (2) |||| // Write the lines of code to insert "book" at the back of "my_dll". // // // END-TO-DO (2) ||| } std::list& my_dll; };
- def drop_uninformative_objects(X, y):# your code herereturn X_subset, y_subset # TEST drop_uninformative_objects functionA = pd.DataFrame(np.array([[0, 3, np.nan],[4, np.nan, np.nan],[np.nan, 6, 7],[np.nan, np.nan, np.nan],[5, 5, 5],[np.nan, 8, np.nan],]))b = pd.Series(np.arange(6))A_subset, b_subset = drop_uninformative_objects(A, b) assert A_subset.shape == (3, 3)assert b_subset.shape == (3,)C++ Data Structures (Binary Trees)- Write the definition of the function nodeCount that returns the number of nodes in the binary tree. Add this function to the class binaryTreeType and create a program to test this function. Here are the headers: binaryTree.h //Header File Binary Search Tree #ifndef H_binaryTree #define H_binaryTree #include <iostream> using namespace std; //Definition of the Node template <class elemType> struct nodeType { elemType info; nodeType<elemType> *lLink; nodeType<elemType> *rLink; }; //Definition of the class template <class elemType> class binaryTreeType { public: const binaryTreeType<elemType>& operator= (const binaryTreeType<elemType>&); //Overload the assignment operator. bool isEmpty() const; //Function to determine whether the binary tree is empty. //Postcondition: Returns true if the binary tree is empty; // otherwise, returns false. void inorderTraversal() const; //Function to do an inorder…Tree Traversal Coding: How do I code the following in C program? // ====== BEGIN INSERT FUNCTION DEFS TO WALK TREE ========= // define 3 functions - preorder, inorder, postorder to walk tree, printing out data (char) // associated with each node visited: void preorder (node* np) {} void inorder (node* np) {} void postorder (node* np) {} walk.c file with the rest of the code given. #include <stdio.h> #include <stdlib.h> #include <stdbool.h> #include <string.h> #define MAX_STRING 200 // ========================== NODE/TREE DEFINITIONS ========================== // define node structure typedef struct nd { int data; struct nd* left; struct nd* right; } node; // "new" function to create a node, set data value to d and children to NULL node* newNode(int d) { node* np; np = (node*)malloc(sizeof(node)); if (np != NULL) { np->data = d; np->left = NULL; np->right = NULL; } return(np); } // declare root of our binary tree…