Explain the flow of the code not necessarily every line, as long as you explain what the important parts of the code do. The code is already correct, just explain the flow. #include "deque.h" #include "linkedlist.h" #include using namespace std; class DLLDeque : public Deque { DoublyLinkedList* list; public: DLLDeque() { list = new DoublyLinkedList(); } void addFirst(int e) { list->addAt(e,1); } void addLast(int e) { list->addAt(e,size()+1); } int removeFirst() { return list->removeAt(1); } int removeLast() { return list->removeAt(size()); } int size(){ return list->size(); } bool isEmpty() { return list->isEmpty(); } // OPTIONAL: a helper method to help you debug void print() { if (isEmpty()) { cout << "(empty)"; return; } list->print(); } // WARNING! Do not modify this method! // Doing so will nullify your score for this activity. void final_print() { if (isEmpty()) { cout << "(empty)"; return; } while(!isEmpty()) { cout << removeFirst(); if (size() > 0) { cout << ", "; } } } };

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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C++ Programming
Activity: Deque Linked List


Explain the flow of the code not necessarily every line, as long as you explain what the important parts of the code do. The code is already correct, just explain the flow.

#include "deque.h"
#include "linkedlist.h"
#include <iostream>
using namespace std;

class DLLDeque : public Deque {
   DoublyLinkedList* list;  
    public:
    DLLDeque() {
        list = new DoublyLinkedList(); 
    }

        void addFirst(int e) {
            list->addAt(e,1); 
        }
    
        void addLast(int e) {
            list->addAt(e,size()+1); 
        }

        int removeFirst() {
            return list->removeAt(1); 
        }

        int removeLast() {
            return list->removeAt(size()); 
        }

        int size(){
            return list->size();
        }
    
        bool isEmpty() {
            return list->isEmpty();
        }    

        // OPTIONAL: a helper method to help you debug
        void print() {
            if (isEmpty()) {
                cout << "(empty)";
                return;
            }
            list->print();
        }

    
        // WARNING! Do not modify this method!
        // Doing so will nullify your score for this activity.
        void final_print() {
            if (isEmpty()) {
                cout << "(empty)";
                return;
            }
            while(!isEmpty()) {
                cout << removeFirst();
                if (size() > 0) {
                cout << ", ";
            }
        }
    }
};
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