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- struct node{ int a; struct node * nextptr; }; Write two functions. One for inserting new values to a link list that uses the given node structure. void insert(struct node **head, int value); Second function is called to count the number of even numbers in the link list. It returns an integer that represents the number of even numbers. int countEvenNumbers(struct node *head); Write a C program that reads a number of integers from the user and insert those integers into a link list (use insert function). Later pass the head pointer of this link list to a function called countEvenNumbers. This function counts and returns the number of even numbers in the list. The returned value will be printed on the screen. Note 1: Do not modify the function prototypes. Sample Input1: Sample Output1: 45 23 44 12 37 98 33 35 -1 3 Sample Input2: Sample Output2: 11 33 44 21 22 99 123 122 124 77 -1 4linked_list_stack_shopping_list_manager.py This is a file that includes the class of linked list based shopping list manager. This class contains such methods as init, insert_item, is_list_empty, print_item_recursive_from_top, print_items_from_top, print_item_recursive_from_bottom, print_items_from_bottom, getLastItem, removeLastItem. In addition, this class requires the inner class to hold onto data as a linked list based on Stack. DO NOT use standard python library, such as deque from the collections module. Please keep in mind the following notes for each method during implementation: Init(): initializes linked list based on Stack object to be used throughout object life. insert_item(item): inserts item at the front of the linked list based on Stack. Parameters: item name. is_list_empty (): checks if the current Stack object is empty (ex. check if head is None). print_item_recursive_from_top(currentNode): a helper method to print linked list based on Stack item recursively. Note:…linked list is an object that creates, references and manipulates node objects. In this assignment, you are asked to write a Python program to create a linked list and do a set of operations as follows:1. Create an empty linked list2. Create and insert a new node at the front of the linked list3. Insert a new node at the back of the linked list4. Insert a new node at a specified position in the linked list5. Get a copy of the data in the node at the front of the linked list6. Get a copy of the data in the node at a specified position in the linked list7. Remove the node at the front of the linked list8. Remove the node at the back of the linked list9. Remove the node at a specified position in the linked list10.Traverse the list to display all the data in the nodes of the linked list11.Check whether the linked list is empty12.Check whether the linked list is full13.Find a node of the linked list that contains a specified data itemThese operations can be implemented as methods in a…
- The definition of linked list is given as follows: struct Node { ElementType Element ; struct Node *Next ; } ; typedef struct Node *PtrToNode, *List, *Position; If L is head pointer of a linked list, then the data type of L should be ??class Node: def __init__(self, e, n): self.element = e self.next = n class LinkedList: def __init__(self, a): # Design the constructor based on data type of a. If 'a' is built in python list then # Creates a linked list using the values from the given array. head will refer # to the Node that contains the element from a[0] # Else Sets the value of head. head will refer # to the given LinkedList # Hint: Use the type() function to determine the data type of a self.head = None # To Do # Count the number of nodes in the list def countNode(self): # To Do # Print elements in the list def printList(self): # To Do # returns the reference of the Node at the given index. For invalid index return None. def nodeAt(self, idx): # To Doint F(node<int>&p){int c=0; while(p!=0){p=p->next; c++; } return c;} This function is a. return the number of items in the linked list b. return the number of items in a linked list and destroy the linked list c. None of these d. destroy the list and free all allocated nodes
- Computer Science In c++ (There should be three different files, "main.cpp", "sourcefile.cpp" and "header.cpp" your solution must have those three different files): Write a function that checks if the nodes in a linked list is sorted in ascending order. The function should return true if the values are sorted, otherwise false. Take user input. Call the funciton in the main function to show it is working.Don't copy from other websties a) Write a function to get the value of the Nthnode in a Linked List. [Note: The first (N=1) item in the list means the item at index 0.] It takes two parameters: the list or its head, and N. Return False if the list has fewer than N elements. The Linked List structure supports the following function. def getHead(self): return self.head # it points to a Node structure The Node structure supports the following functions. def getData(self): return self.data # it returns the value stored in the Node def getNext(self): return self.next # it points to the next Node b) Write a function that counts the number of times a given integer occurs in a Linked List. Assume similar structures as defined in 1.Assume a linked list contains following integers: 5, 2, 4, 6, 8, 3, 15 and the pointer head is pointing to the first node of the list. What will be the value of variable a after the following statements are executed: Node<int> *curNode=head; int a=0; while(curNode!=NULL){ a+=curNode->getItem(); curNode=curNode->getNext(); if(curNode!=NULL) curNode=curNode->getNext(); } A.32 B.43 C.19 D.18
- Topic: Singly Linked ListImplement the following functions in C++ program. Read the question carefully. (See attached photo for reference) void isEmpty() This method will return true if the linked list is empty, otherwise return false. void clear() This method will empty your linked list. Effectively, this should and already has been called in your destructor (i.e., the ~LinkedList() method) so that it will deallocate the nodes created first before deallocating the linked list itself.Assume a linked list contains following integers: 5, 2, 4, 6, 8, 3, 15 and the pointer head is pointing to the first node of the list. What will be the value of variable a after the following statements are executed: Node<int> *curNode=head; int a=0; curNode->setNext(NULL); while(curNode!=NULL){ a+=curNode->getItem(); curNode=curNode->getNext(); } A.5 B.2 C.43 D.38Assume a linked list contains following integers: 4, 2, 6, 5, 8, 3, 15 and the pointer head is pointing to the first node of the list. What will be the value of variable a after the following statements are executed: Node<int> *curNode=head; int a; curNode=curNode->getNext(); head->setNext(curNode); head=head->getNext(); a=head->getItem(); A.2 B.4 C.6 D.15