Implement the following sequence of operations one by one 1. Make a linked list for 26 (a to z) english alphabets where each node consists a single alphabet, an integer data for frequency count (initially 0) and next pointer. This list should be sorted in ascending order according to the ASCII value of the alphabets.
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- You have been given a linked list of integers. Your task is to write a function that deletes a node from a given position, 'POS'.Note :Assume that the Indexing for the linked list always starts from 0. If the position is greater than or equal to the length of the linked list, you should return the same linked list without any change.Illustration :The following images depict how the deletion has been performed.Image-I :Alt txt Image-II :Alt txt Input format :The first line contains an Integer 'T' which denotes the number of test cases or queries to be run. Then the test cases follow. The first line of each test case or query contains the elements of the linked list separated by a single space. The second line of each test case contains the integer value of 'POS'. It denotes the position in the linked list from where the node has to be deleted. Remember/Consider :While specifying the list elements for input, -1 indicates the end of the singly linked list and hence, would never be a list…Write a Python code using the given function and conditions. Do not use Numpy. Use LinkedList Manipulation. Given function: def insert(self, newElement, index) Pre-condition: The list is not empty. Post-condition: This method inserts newElement at the given index of the list. If an element with the same key as newElement value already exists in the list, then it concludes the key already exists and does not insert the key. [You must also check the validity of the index].In this lab the task is to write a program that maintains a personal phone book. The program allows to: ▪ Add and Delete entries from the phone book, ▪ Search the phone book for a specific entry by last name or by phone number, and ▪ Print out the entire entries in the phone book. The data in the phone book is maintained by storing in memory with the use of a singly linked list, with one list node per entry. Each node contains members for storing a person’s family name, first name, address, and the phone number. Use strings to store this information. The linked list must be kept in increasing alphabetical order, sorted by family name. There are no duplicate entries with the same family name allowed in the phone book. This program should be menu driven, with the user being offered a choice of the following commands described below: ▪ Insert a new entry into the phone book. The program should prompt the user for a new family name and first name, an address and a phone number. This…
- Please implement this function: void swap(int pos1, int pos2) {}. There's an answer from the previous teacher but he added '' node** hRef " in the function (see below) please correct without the href. For LinkedList, to maintain integrity of data in the structure, you are not to swap directly the element, nor remove a node. Instead, you are to only change the nodes' next pointers. PLEASE CORRECT THIS ONE void swap(node** hRef, int pos1, int pos2) { if (pos1 == pos2) return; node *prevNode1 = NULL; node* currNode1 = *hRef; while (currNode1 && currNode1->index != pos1) { prevNode1 = currNode1; currNode1 = currNode1->next; } node *prevNode2 = NULL; node *currNode2 = *hRef; while (currNode2 && currNode2->index != pos2) { prevNode2 = currNode2; currNode2 = currNode2->next; } if (currNode1 == NULL || currNode2 == NULL) return; if (prevNode1 != NULL) prevNode1->next =…Add a new public member function to the LinkedList class named reverse() which reverses the items in the list. You must take advantage of the doubly-linked list structure to do this efficiently as discussed in the videos/pdfs, i.e. swap each node’s prev/next pointers, and finally swap headPtr/tailPtr. Demonstrate your function works by creating a sample list of a few entries in main(), printing out the contents of the list, reversing the list, and then printing out the contents of the list again to show that the list has been reversed. Note: your function must actually reverse the items in the doubly-linked list, not just print them out in reverse order! Note: we won't use the copy constructor in this assignment, and as such you aren't required to update the copy constructor to work with a doubly-linked list. This is what I have so far but its not working! template<class ItemType>void LinkedList<ItemType>::reverse(){ Node<ItemType>*curPtr,*prev,*next;…Given a singly linked list L, where x and y are two data elements that occupy the nodes NODEX and NODEY with PREVIOUSX as the node, which is the previous node of NODEX, write a pseudo-code to swap the date x and y in list L by manipulating the links only (data swapping is not allowed). Assume that x and y are available in the list and are neither neighbors nor the end nodes of list L. For example, given the list L shown in Figure P6.10(a), with L, NODEX, NODEY and PREVIOUSX marked on it, the swapping should yield the list shown in Figure P6.10(b). NODEX and NODEY are neither immediate neighbors nor the end nodes of list L. PREVIOUS X NODE X PREVIOUS X எக்க்கக்கா எத்த்தக்க (a) Before swapping g and x NODE Y NODE Y (b) After swapping g and x Linked Lists 193 NODE X Figure P6.10. Swapping of elements in a singly linked list by manipulating links
- Given a singly linked list L, where x and y are two data elements that occupy the nodes NODEX and NODEY with PREVIOUSX as the node, which is the previous node of NODEX, write a pseudo-code to swap the date x and y in list L by manipulating the links only (data swapping is not allowed). Assume that x and y are available in the list and are neither neighbors nor the end nodes of list L. For example, given the list L shown in Figure P6.10(a), with L, NODEX, NODEY and PREVIOUSX marked on it, the swapping should yield the list shown in Figure P6.10(b). NODEX and NODEY are neither immediate neighbors nor the end nodes of list L. PREVIOUS X NODE Y 00 bodo a X С NODE X PREVIOUS X g W (a) Before swapping g and x NODE Y Linked Lists 193 NODE X (b) After swapping g and x addada. Figure P6.10. Swapping of elements in a singly linked list by manipulating linksLet us talk about single linked lists. Let us say that each node for this one would have public members which is elem and next..a. create a linked list with 4 nodes with 3 5 4 1. create the header references for this one. b. creaate the code that will insert da first nodec. what would be the process in deleting the end node? d. print the listImplement a recursive function void deleteMax() on the IntList class (provided). The function will delete from the IntList the IntNode containing the largest value. If there are multiple nodes containing this largest value, only delete the 1st one. Be careful not to cause any memory leaks or dangling pointers. You may NOT use any kind of loop (must use recursion). You may NOT use global or static variables. You may NOT use any standard library functions. Ex: list: 5->7->1->16->4->16->3 list.deleteMax(); list: 5->7->1->4->16->3 IntList.h #ifndef __INTLIST_H__#define __INTLIST_H__ #include <ostream> using namespace std; struct IntNode {int value;IntNode *next;IntNode(int value) : value(value), next(nullptr) {}}; class IntList { private:IntNode *head; public: /* Initializes an empty list.*/IntList() : head(nullptr) {} /* Inserts a data value to the front of the list.*/void push_front(int val) {if (!head) {head = new IntNode(val);} else {IntNode…
- Perform the previous project, but use a doubly linked list. Moreover, your implementation of remove(i) should make the fewest number of pointer hops to get to the game entry at index i. You need to implement the doubly linked list yourself. Problem 3!!Complete the function getLetterFrequency() to return a list containing the number of times each letter of the alphabet occurs in the string passed to it. The Oth index corresponds to the letter "a" or "A", the 1st corresponds to the letter "b" or "B", ..., the 25th corresponds to "z" or "Z". You should ignore any non-alphabet characters that occur in the string. But make sure that both lowercase and uppercase letters contribute to the same count. You must use the ord() function to convert letters into indexed based values. Note that you can offset a number by ord("a") or ord("A") to get the index that you need. You should use at least some of the (or all of) following string methods: • isalpha() lower() • upper() • isupper() • islower() and the following string functions: ord() len()Write and implement a recursive version of the binary search algorithm. Also, write a version of the sequential search algorithm that can be applied to sorted lists. Add this operation to the class orderedArrayListType for array-based lists. Moreover, write a test program to test your algorithm.