C++ Programming Activity: Queue 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 "queue.h" #include "linkedlist.h" class SLLQueue : public Queue {     LinkedList* list;      public:     SLLQueue() {             list = new LinkedList();     }     void enqueue(int e) {         list->addTail(e);         return;     }     int dequeue() {         int elem;         elem = list->removeHead();         return elem;     }     int first() {         int elem;         elem = list->get(1);         return elem;;     }     int size() {         return list->size();     }     bool isEmpty() {         return list->isEmpty();     }     int collect(int max) {         int sum = 0;         while(first() != 0) {             if(sum + first() <= max) {                 sum += first();                 dequeue();             } else {                 break;             }         }                  return sum;     } };

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: Queue 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 "queue.h"
#include "linkedlist.h"
class SLLQueue : public Queue {
    LinkedList* list; 

    public:
    SLLQueue() {
            list = new LinkedList();
    }

    void enqueue(int e) {
        list->addTail(e);
        return;
    }

    int dequeue() {
        int elem;
        elem = list->removeHead();
        return elem;
    }

    int first() {
        int elem;
        elem = list->get(1);
        return elem;;
    }

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

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

    int collect(int max) {
        int sum = 0;
        while(first() != 0) {
            if(sum + first() <= max) {
                sum += first();
                dequeue();
            } else {
                break;
            }
        }
        
        return sum;
    }
};
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