// Function takes a constant Book as a parameter // the book's ISBN into a binary search tree, am void operator()(const Book& book) { // /// TO-DO (7) ||// // Write the lines of code to insert the key // ("book") pair into "my_bst". /// END-TO-DO (7) |||||/// }
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- 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; };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; };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 Programming language Part 1: You need to define a data structure for a doubly linked list and a binary search tree. Also, you need to implement the following functions: Insert Sorted LINKEDLIST insertSorted(LINKEDLIST head, int num): head points to the first node in the sorted linked list; num is a number to be inserted in in correct place in the linked list pointed at “head”. The linked list should be sorted after inserting “num”. This function returns the head of the modified head. BSTREE insert(BSTREE root, int num): root points to a node in a binary search tree; num is a number to be inserted in the tree rooted at “root”. This function returns the root of the modified tree. Find an element LINKEDLIST find(LINKEDLIST head,int num): head points to the first node of a linked list; num is a number to be searched for in the linked list started at “head”. This function returns a pointer to the node containing “num” or NULL if num is not found BSTREE find(BSTREE root,int…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*…Multiple choice in data structures void doo(node<int>*root){ if(root !=0) { node<int>*p=root; while(root->next!=0) root=root->next; p->data=root->data; } What is this code do? a. swap the first item with the last item in the linked list b. set the first item in the linked list as the last item c. doesn't do anything because the root parameter is passed by value d. change the root item in the binary tree with the farthest leaf item
- Write the following function: The function gets a root of a Binary Tree of ints, and a function f. it applies f to the data of each node in the tree. // applies f to each node of the tree under root void map(BTnode_t* root, int (*f)(int)); struct BTnode { int value; struct BTnode*left; struct BTnode*right; struct BTnode*parent; }; typedef struct BTnode BTnode_t; BTNODE.C: BTnode_t* create_node(int val) { BTnode_t* newNode = (BTnode_t*) malloc(sizeof(BTnode_t)); newNode->value = val; newNode->left = NULL; newNode->right = NULL; newNode->parent = NULL; returnnewNode; } void set_left_child(BTnode_t* parent, BTnode_t* left_child) { if (parent) parent->left = left_child; if (left_child) left_child->parent = parent; } void set_right_child(BTnode_t* parent, BTnode_t* right_child) { if (parent) parent->right = right_child; if (right_child) right_child->parent = parent; } void print_pre_order(BTnode_t* root) { if (root == NULL) return; printf("%d ",…in c++, write a function to find the height of a specific node in a Binary Search Tree.I have an assignment that requires me to read strings from a text file and insert them into a binary search tree. I am having a hard time reading the data from the file and passing it through a function. This is the code I have right now: struct tree_node {char *data;tree_node *left;tree_node *right;}; char **Read();tree_node *create_node(char **val); int main(){tree_node *root= NULL, *temp_node;char **val = (char**)malloc(sizeof(char*)*17);for (int i = 0; i < 17; i++) {val[i] = (char*)malloc(sizeof(char)*strlen(*val));}temp_node = create_node(val);root = insert(root, temp_node);printf("In Order: ");inorder(root);printf("\n");return 0;} char **Read() {int size;FILE *fp = fopen("in.txt", "r");fscanf(fp, "%d", &size);char** value = (char**)malloc(sizeof(char*));for(int i = 0; i < size; i++) {fscanf(fp, "%s", &value[i]);} fclose(fp);return value;} tree_node *create_node(char **val) {tree_node* temp = (tree_node*)malloc(sizeof(tree_node));for(int i = 0; i < 17; i++)for(int…
- 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 listsIn C++ Plz LAB: Grocery shopping list (linked list: inserting at the end of a list) Given main(), define an InsertAtEnd() member function in the ItemNode class that adds an element to the end of a linked list. DO NOT print the dummy head node. Ex. if the input is: 4 Kale Lettuce Carrots Peanuts where 4 is the number of items to be inserted; Kale, Lettuce, Carrots, Peanuts are the names of the items to be added at the end of the list. The output is: Kale Lettuce Carrots Peanuts ItemNode.h Default Code: #include <iostream>#include <string>using namespace std; class ItemNode {private: string item; ItemNode* nextNodeRef; public: // Constructor ItemNode() { item = ""; nextNodeRef = NULL; } // Constructor ItemNode(string itemInit) { this->item = itemInit; this->nextNodeRef = NULL; } // ConstructorItemNode(string itemInit, ItemNode *nextLoc) {this->item = itemInit;this->nextNodeRef = nextLoc;} // Insert node after this…typedef struct node{int data;struct node *left,*right;}BST;The node structure of BST is shown above. Please design an efficient algorithm to return the maximum keyword value in BST. Completion function: int findmax (BST *T)