//No need for the whole code //just the methods please for both Write a recursive method “int sumPos(Node head)” to calculate the sum of positive integers in a linked list of integers referenced by head. No global variables are allowed. Node is declared as: Node { int value; Node next; } Write a non-recursive method “int sumPos(Node head)” to calculate the sum of positive integers in a linked list of integers referenced by head. No global variables are allowed. Node is declared as: Node { int value; Node next; }
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//No need for the whole code
//just the methods please for both
Write a recursive method “int sumPos(Node head)” to calculate the sum of positive integers in a linked list of integers referenced by head. No global variables are allowed. Node is declared as:
Node {
int value;
Node next;
}
Write a non-recursive method “int sumPos(Node head)” to calculate the sum of positive integers in a linked list of integers referenced by head. No global variables are allowed. Node is declared as:
Node {
int value;
Node next;
}
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- In the Recursive Binary Search shown below, there are two base cases: Line 10: the search is exhausted without a finding a value that matches the key Line 16: the search finds a value that matches the key 1 public class RecursiveBinarySearch { 2 public static int binarySearch(int[] list, int key) { 3 int low = 0; 4 int high = list.length - 1; 5 return binarySearch(list, key, low, high); 6 } 7 8 private static int binarySearch(int[] list, int key, 9 int low, int high) { 10 if (low > high) // The list has been exhausted without a match 11 return -low - 1; 12 13 int mid = (low + high) / 2; 14 if (key < list[mid]) 15 return binarySearch(list, key, low, mid - 1); 16 else if (key == list[mid]) 17 return mid; 18 else 19 return binarySearch(list, key, mid + 1, high); 20 } 21 22 public static void main(String[] args) { 23 int[] list = {3, 5, 7, 8, 12, 17,…This is java recursive code --> I only need this method. please help Write a RECURSIVE method “int sumPos(Node head)” to calculate the sum of positive integers in a linked list of integers referenced by head. No global variables are allowed. Node is declared as: Node { int value; Node next; }please answer if the question is true or false In the Recursive Binary Search shown below, there are two base cases: Line 10: the search is exhausted without a finding a value that matches the key Line 16: the search finds a value that matches the key 1 public class RecursiveBinarySearch { 2 public static int binarySearch(int[] list, int key) { 3 int low = 0; 4 int high = list.length - 1; 5 return binarySearch(list, key, low, high); 6 } 7 8 private static int binarySearch(int[] list, int key, 9 int low, int high) { 10 if (low > high) // The list has been exhausted without a match 11 return -low - 1; 12 13 int mid = (low + high) / 2; 14 if (key < list[mid]) 15 return binarySearch(list, key, low, mid - 1); 16 else if (key == list[mid]) 17 return mid; 18 else 19 return binarySearch(list, key, mid + 1, high); 20 } 21 22 public static void main(String[]…
- I need some help with this problem. my instructions are "Write a recursive void method to display a single-ended singly linked list backwards. " i am using custom code for links and a linked list that comes from my textbook. the textbook is "Data Structures and Algorithms in Java Second Edition" by Robert Lafore in my code i made a method called recursiveReverse() which takes two arguments a integer count and an integer sizeOfList is supposed to use a for loop to get the method to where it needs to go on the list using a current and previous link. the current is where the method is at currently and the previous is where the current was before the list iterated. i am having trouble finding a way to get the method to end when the code finally gets to where it needs to be. the code before the first recursion should reach the end of the list and then count should be incremented in the recursion argument. the code presented is still not completely finished but please let me know if i am…Write a code in python. Write down only the methods that are required; testers are not required. Complete the method below that takes the reference of a non-dummy headed singly linear linked list and removes all the nodes containing multiples of 5 from the list. remove_multiple_of_five(head)JAVA: Write a recursive method named threeSum that accepts a list of integers and prints all combinations of three integers in the list that sum to 0. For example, if given the list [-1, 0, 1, 2, -1, -4], print the following lines of output: [-1, 0, 1] [-1, 2, -1] [0, 1, -1] You may print the lines of output in any order. The elements in each three-element sublist should appear in the same relative order that they appeared in the original list. Do not print duplicate lists; if the same exact sublist can be made in multiple ways, print it only once. If there are no combinations of three elements that sum to 0, print no output. The list passed to your method must be back to its original state at the end of the call. Either do not modify it, or if you modify it, fully undo your modifications before the method returns. Constraints: Do not declare any global variables. You can use any data structures you like, and your code can contain loops, but the overall algorithm must be recursive and…
- Implements clone which duplicates a list. Pay attention, because if there are sublists, they must be duplicated as well. Understand the implementation of the following function, which recursively displays the ids of each node in a list Develop your solution as follows: First copy the nodes of the current list (self) Create a new list with the copied nodes Loop through the nodes of the new list checking the value field If this field is also a list (use isinstance as in the show_ids function) then it calls clone on that list and substitutes the value. Complete the code: def L4(*args,**kwargs): class L4_class(L): def clone(self): def clone_node(node): return <... YOUR CODE HERE ...> r = <... YOUR CODE HERE...> return r return L4_class(*args,**kwargs)In python. Write a LinkedList class that has recursive implementations of the add and remove methods. It should also have recursive implementations of the contains, insert, and reverse methods. The reverse method should not change the data value each node holds - it must rearrange the order of the nodes in the linked list (by changing the next value each node holds). It should have a recursive method named to_plain_list that takes no parameters (unless they have default arguments) and returns a regular Python list that has the same values (from the data attribute of the Node objects), in the same order, as the current state of the linked list. The head data member of the LinkedList class must be private and have a get method defined (named get_head). It should return the first Node in the list (not the value inside it). As in the iterative LinkedList in the exploration, the data members of the Node class don't have to be private. The reason for that is because Node is a trivial class…In C++ I need to write a recursive function insertEnd that will call a recursive method insertEnd(const ItemType& newEntry, Node<ItemType>* node), to insert newEntry at the end of the linked list I completely stuck and can't figure out where the error is coming from. main #include <iostream> #include "LinkedList.cpp" int main() { Node<int>* first = new Node(1); Node<int>* second = new Node(2); Node<int>* third = new Node(3); first->next = second; second->next = third; cout<<first->data<<endl; cout<<first->next->data<<endl; cout<<first->next->next->data<<endl; LinkedList<int> list; //an empty linked list for(int i =0; i<10; i++){ list.inserEnd(i); list.display(); } return 0; } linkedlist.cpp #include "LinkedList.h" #include "iostream" using namespace std; template <class T> LinkedList<T>::LinkedList(){ head = nullptr; } template <class…
- Implement a simple linked list in Python (Write source code and show output) with basic linked list operations like: (a) create a sequence of nodes and construct a linear linked list. (b) insert a new node in the linked list. (b) delete a particular node in the linked list. (c) modify the linear linked list into a circular linked list. Use this template: class Node:def __init__(self, val=None):self.val = valself.next = Noneclass LinkedList:"""TODO: Remove the "pass" statements and implement each methodAdd any methods if necessaryDON'T use a builtin list to keep all your nodes."""def __init__(self):self.head = None # The head of your list, don't change its name. It shouldbe "None" when the list is empty.def append(self, num): # append num to the tail of the listpassdef insert(self, index, num): # insert num into the given indexpassdef delete(self, index): # remove the node at the given index and return the deleted value as an integerpassdef circularize(self): # Make your list circular.…Implements clone which duplicates a list. Pay attention, because if there are sublists, they must be duplicated as well. Understand the implementation of the following function, which recursively displays the ids of each node in a list def show_ids(M, level=0): k = M.first_node while k is not None: print(" "*2*level, id(k)) if (str(k.value.__class__.__name__) == str(M.__class__.__name__)): show_ids(k.value, level+1) k = k.next W=L2(Node(10, Node(L2(Node(14, Node(15, Node(L2(Node(16, Node(17))))))), Node(20, Node(30)))) )show_ids(W) Develop your solution as follows: - First copy the nodes of the current list (self) - Create a new list with the copied nodes - Loop through the nodes of the new list checking the value field - If this field is also a list (use isinstance as in the show_ids function) then it calls clone on that list and substitutes the value. Complete the code: def L4(*args,**kwargs): class L4_class(L):…Write a Java program which stores three values by using doubly linked list.- Node class4. stuID, stuName, stuScore, //data fields5. constructor6. update and accessor methods- Singly linked list class which must has following methods:4. head, tail, size// data fields5. constructor6. update and accessor methodsa. getSize() //Returns the number of elements in the list.b. isEmpty( ) //Returns true if the list is empty, and false otherwise.c. getFirstStuID( ), getStuName( ), getFirstStuScore( )d. addFirst (stuID, stuName, stuScore)e. addLast(stuID, stuName, stuScore)f. removeFirst( ) //Removes and returns the first element of the list.g. removeLast( ) //Removes and returns the first element of the list.h. displayList( ) //Displays all elements of the list by traversing the linked list.- Test class – initialize a doubly linked list instance. Test all methods of doubly linked list class.