QuestionThe following function is supposed to reverse a singly-linked list. Fill in theblanks.Assume the constructors 'make-my-list' and 'my-cons', the accessors 'my-car'and 'my-cdr', and the helper 'is-empty' are given and are the same ones used inlab 4.(defun rev-l1 (a &optional (b ...))(if (is-empty ...)(rev-11 (my-cdr ...) (... (my-car a) ...))))..

Singly linked list: Linked list is a collection of data and it is linear data structure and it's…

Answered: Question The following function is…

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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Iterating through a sequence of items in a list is the job of the for construct. Therefore, it runs forever, provided there are still objects to process. How truthful or incorrect is this claim?
The specifications for the Sorted List ADT state that the item to bedeleted is in the list.1. Rewrite the specification for DeleteItem so that the listis unchanged if the item to be deleted is not in the list.2. Implement DeleteItem as specified in (a) using anarray-based implementation.3. Implement DeleteItem as specified in (a) using alinked implementation.4. Rewrite the specification for DeleteItem so that allcopies of the item to be deleted are removed if they exist.5. Implement DeleteItem as specified in (d) using anarray-based implementation.6. Implement DeleteItem as specified in (d) using alinked implementation.
Define a recursive function named trim; it takes as its arguments a linked list (the head node of it) and a non-negative integer representing the index of an element in the list. The function mutates the linked list such that all elements that occur after the index is removed. Additionally, the function returns a linked list of all the elements that were moved. If the index value exceeds the length of the linked list, it should raise an IndexError. For example, if we defined a list as l1 = LN(1, LN(2, LN 3))) , calling the function would return the linked list LN(2, LN(3)), and the mutated l1 would become LN(1). You must use recursion. def trim(l: LN, index: int) -> LN:
Using java, answer the following questions about the code below. 1) Create a new function or method that checks to see if an int parameter is present in the list. 2) Create a main() method or JUnit tests to show that your list code functions as intended. (Code) private class Nodeint data;Node next;Node(int data) {this.data = data;this.next = null;}}private Node first;private Node last; public void addToEnd(int data){ Node newNode = new Node(data);if (first == null){first = newNode;last = newNode;} else {last.next = newNode;last = newNode;}}public void printList(){ Node current = first;while (current != null){System.out.print(current.data + " ");current = current.next;}System.out.println();}public static void main(String[] args){node list = new node();list.addToEnd(2);list.addToEnd(4);list.addToEnd(6);list.printList();}}
Add the following list to your definitions: (define my-list (list 3 6 12 24 48)) Finally, use Racket’s built-in fold function, a lambda of your own creation, a base, and the above my-list to produce the exact same output as your circles function. In this image of code and output, the question marks and “.…” indicate what you should figure out:
Please do this in C++. The only parts needed are commented as //TODO in MAIN. Please do not use cout, the PrintNodeData in MileageTrackerNode.cpp needs to be called. I am struggling with adding data into the linked list. Given the MileageTrackerNode class, complete main() to insert nodes into a linked list (using the InsertAfter() function). The first user-input value is the number of nodes in the linked list. Use the PrintNodeData() function to print the entire linked list. DO NOT print the dummy head node. Ex. If the input is: 3 2.2 7/2/18 3.2 7/7/18 4.5 7/16/18 the output is: 2.2, 7/2/18 3.2, 7/7/18 4.5, 7/16/18 Main.cpp #include "MileageTrackerNode.h"#include <string>#include <iostream>using namespace std; int main (int argc, char* argv[]) {// References for MileageTrackerNode objectsMileageTrackerNode* headNode;MileageTrackerNode* currNode;MileageTrackerNode* lastNode; double miles;string date;int i; // Front of nodes listheadNode = new…
Let xHead, yHead and zHead be the head pointers of 3 linked lists of integers (called X-list, Y-list and Z-list, respectively, from here). X-list and Y-list are each sorted (in non-decreasing order) in itself and each may be empty. Z-list is initially empty (i.e., zHead initially contains the null pointer). Develop and test a recursive C++ function called SortedMergeRecur that combines the nodes in X-list and Y-list into Z-list such that, after calling the function, Z-list is a sorted list (in non-decreasing order) containing all the nodes initially contained in X-list and Y-list – X-list and Y-list should both be empty after the call. Other specifications/requirements: ● Each node of the list has the following structure: struct Node{ int data; Node *link;}; ● The function should: ► Have only three parameters (each a pointer-to-Node) and no return value (be a void function). ► Not use any global variables or static local…
use repli please. than

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