Given a singly linked has the following values in its nodes when traversed from head to tail (11, 7, 2, 10, 5}, If this list represents a stack called s, what is the info of the node pointed to by head pointer after executing the following sequence of operations: s.top(), s.push(10), s.pop(), s.top() Select one: О а. 10 O b. 11 Oc. 7 O d. 2 Clear my choice

Given a singly linked has the following values in its nodes when traversed from head to tail (11, 7, 2, 10, 5}, If this list represents a stack called s, what is the info of the node pointed to by head pointer after executing the following sequence of operations: s.top(), s.push(10), s.pop(), s.top() Select one: О а. 10 O b. 11 Oc. 7 O d. 2 Clear my choice

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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The insert function first checks if the list is empty then head is updated, if the list is not empty then a new node is inserted at the tail. The delete function deletes the given node (temp). This temp node can be anywhere in the list. Your task is to update the insert and delete function code so that it implements the stack rule. i-e last in first out. The insert function should only allow insertion at head and the delete function should only pop the last inserted element (no parameter to be passed to the delete function). #include <iostream> using namespace std; class Node{ public: int data; Node *next; }; class List{ public: Node *head; List(){ head = NULL; } void insert(int data){ Node *nn = new Node; nn->next = NULL; nn->data = data; if(head==NULL){ head = nn; cout<<"Node inserted successfully at head"<<endl; } else{ Node *temp…
data МАТH data ENGL null next next top top data MATH next null The above is a stack of textbooks. The top is a node to record the address of the top element of a stack. 2. Which of the following statement push the ENGL textbook to the top? top.next = new Node("ENGL", top); a. b. top = new Node("ENGL", top) Describe the reason of your choice. Your answer is (a or b) Will the push action take time in 0(1) or 0(n)? Next Page O Type here to search
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
Let a stack of N=5 elements be denoted as: S={3,7,9,2,_}What would the stack look like after the following operations?pop( )pop( )push(11)push(3)pop( )pop( )pop( ) Select one: a.S={3,7,3,11,_} b.S={3,7,11,3,_} c.S={3,_,_,_,_} d.S={11,_,_,_,_} e.S={3,7,11,_,_}
There is a data structure called a drop-out stack that behaveslike a stack in every respect except that if the stack size is n,then when the n+1 element is pushed, the first element is lost.Implement a drop-out stack using links
I pseudo code and explanation step by step, and different answer to chegg Searching stack.
Need help with python code. Write a LikedStack . Test it by: Add numbers from 7 to 22 in the stack. Print the length of the stack Check if the stack is empty Show the item on the top of the stack Remove the last item in the stack Add 45 to the stack Remove all items in the stack Check if the stack is empty """File: linkedstack.pyAuthor: Ken Lambert"""from node import Nodefrom abstractstack import AbstractStackclass LinkedStack(AbstractStack):"""A link-based stack implementation."""# Constructordef __init__(self, sourceCollection = None):"""Sets the initial state of self, which includes thecontents of sourceCollection, if it's present."""# Accessor methodsdef __iter__(self):"""Supports iteration over a view of self.Visits items from bottom to top of stack."""def visitNodes(node):"""Adds items to tempList from tail to head."""def peek(self):"""Returns the item at the top of the stack.Precondition: the stack is not empty.Raises: KeyError if the stack is empty."""if self.isEmpty():#…
0:00 I ZVV 58 Stack s - new Stack(); s. push(10); s. push(20); s. push(30); s. push(40); // stack created with elements- 10 20 30 40 59 60 61 62 63 64 65 sum(s); 66 public static void sum(stack s){ Integer sum = 0; stack tmp = new Stack(); // move the stack to new stack, it will be in reverse orde // simultaneously sum the elements while (Is.isEmpty())( tmp.push(s.pop(); sum t tmp.peek(); 67 68 69 70 71 72 73 74 sum t= tmp.peek (); 74 75 // move to original stack while (Itmp.isEmpty()){ s.push(tmp.pop()); system.out.println("sum= "+sum.tostring()); OUTPUT- 10 pushed into stack 20 pushed into stack 30 pushed into stack 40 pushed into stack 40 pushed into stack 30 pushed into stack 20 pushed into stack 10 pushed into stack 10 pushed into stack 20 pushed into stack 30 pushed into stack 40 pushed into stack Sum= 100 Sum of 10, 2O, 30, 40 = 100 I hope it helps. For any doubt, feel free to ask in comments, and give upvote if u get the answer.