Search DaniWeb - dequeue

Re: Question on simple dequeue logic 15 Years Ago by Prabakar Dequeue is simple. since it is a queue you need head &… want to delete all nodes in the queue with the dequeue() Actually dequeue deletes just the first node. so a code like… this would do. [code=cpp]bool dequeue() { // check if empty temp = head ; if ( head == tail ) head = tail… Dequeue with a linked list 9 Years Ago by brandon66 … the enqueue function correct but im having problems with the dequeue. I can get it to delete the first number but… && listI->bottom == NULL) { printf("Trying to dequeue from an empty list. Exiting.\n"); exit(1); } else… Re: Dequeue with a linked list 9 Years Ago by brandon66 … if(listI->top == NULL) { printf("Trying to dequeue from an empty list. Exiting.\n"); exit(1); } …printList(listA); num = dequeue(listA); printf("dequeue Node - Num: %d\n",num); num = dequeue(listA); printf("dequeue Node - Num: … Re: Dequeue with a linked list 9 Years Ago by deceptikon Your dequeue logic has two major problems: 1. It does not take … problems with dequeue function for my linked queue class program 13 Years Ago by sharifyboy7 … IsEmpty () const; bool IsFull () const; void Enqueue (ItemType item); void Dequeue (ItemType & item); void MakeEmpty (); void Print(); QueType (const QueType…; QueType<float>FloatQueue; float y; FloatQueue.MakeEmpty(); FloatQueue.Dequeue(y); FloatQueue.Enqueue(7.1); FloatQueue.Enqueue(2.3); FloatQueue… Question on simple dequeue logic 15 Years Ago by joshmo … simple queue using linked list. I am failing to perform dequeue because I cant get the logic straight. If there is… code that is giving me the problem [code=cpp] bool dequeue(int& new_num) { myPtr tmp_ptr; tmp_ptr=head; if (isEmpty()) { cout… Problem with Array Queue's dequeue method. 11 Years Ago by Massa3332 …(); else { myArray[rear++] = value; count++; } } public int dequeue() throws ContainerEmptyException { if(count == 0) throw new ContainerEmptyException(); else {…assigment and ran into a problem where my dequeue function isn't working properly. I can't… Re: Problem with Array Queue's dequeue method. 11 Years Ago by Massa3332 …(91); System.out.println(myQueue.toString()); myQueue.dequeue(); System.out.println(myQueue.toString()); myQueue.dequeue(); System.out.println(myQueue.toString()); System.out… Re: Question on simple dequeue logic 15 Years Ago by Lerner You seem to be using dequeue() to empty a queue. Since queues are first on first off, how you empty the queue depends on how you add to it. If you always add at head then you will need to remove from the tail and visa versa. Wrapping dequeue to an array 14 Years Ago by saggykulji suppose i created a dequeue class, with methods like insertFront() insertRear() removeFront() removeRear() peekFront() peekRear() isEmpty() isFull() how can i wrap it around and array ?? Will it work the same way as circular does? Simulate a patientâ€™s lines using queues with enqueue ( ), dequeue ( ) and p 9 Years Ago by Builder_1 Simulate a patient’s lines using queues with enqueue ( ), dequeue ( ) and printQueue ( ) operations. Define a queue node in the following … Re: Simulate a patientâ€™s lines using queues with enqueue ( ), dequeue ( ) and p 9 Years Ago by Builder_1 can someone tell me how to do simultaneously enqueue and dequeue in terms of the arrival time of patient and their check up time VS 2005 - Working with templates and lists error. 15 Years Ago by meddlepal …;::removeFront() { Item result; if (isEmpty()) { cout << "Dequeue::removeFront(): Error! Dequeue is empty." << endl; return -1; } else…;::removeBack() { Item result; if (isEmpty()) { cout << "Dequeue::removeBack(): Error! Dequeue is empty." << endl; return -1; } else… template class 12 Years Ago by jigglymig …return out; } }; template<typename T> Dequeue<T>::Dequeue() { myFront = 0; myBack = 0; }…m_array[myFront]; } template<typename T> T Dequeue<T>::back() { return m_array[myBack]; }… template<typename T> void Dequeue<T>::pop_front() { if(!empty()) { myFront = … Please help Queue distructor problem 15 Years Ago by JustLearning … SomeType> SomeType TemplateQ<SomeType>::Dequeue() { if(IsEmpty()) throw EmptyTemplateQ(); else …d c b a Size () -- 6 Dequeue() -- a Dequeue() -- b Forward Print() -- c …Size () -- 7 Dequeue() -- c Dequeue() -- d Dequeue() -- e Dequeue() -- f Dequeue() -- g Dequeue() -- h Dequeue() -- i Dequeue() -- Failed Empty Queue… Compilation Errors 15 Years Ago by unleashedvigil … will now be dequeued until empty."); } //dequeue the array until it is empty while(empty(head,… tail)!=1) { dequeue(ifptr, ofptr, queue, size, &tail, &head…queue, size, &tail, &head); } } //DEQUEUE AN ELEMENT void dequeue(FILE *ifptr, FILE *ofptr, int *queue, const int… Re: Dynamic Queue 13 Years Ago by tarheelfan_08 …description, PurchasePrice, SalePrice); rear = rear->next; } } void Inventory::dequeue(string &description, double &PurchasePrice, double &SalePrice) { …Inventory::clear() { string word; double value; double valueTwo; while(!isEmpty()) dequeue(word, value, valueTwo); } int main() { Inventory iQueue; string catchWord… hw in c++ ..plz write the program for me 10 Years Ago by Aisha_1 …item at the end" of the queue. b.Dequeue" an item from the beginning" of the… functions: function void enqueue (char) and function char dequeue (). The first is used to insert a character to…Queue Program ------------------------------------------------ Please enter 1 to enqueue, 2 to dequeue an element, 3 to print the queue, 4 to… help! stack and queue using singly linked list.(linux) 13 Years Ago by crossbow25 …(const Object e) { S.insertFirst(e); } Object Dequeue() { SinglyList<Object>::Position v = S.last… ) { cout << setw(4) << temp.Dequeue(); } cout << endl; } //double void type_double() {… In member function ‘Object Tqueue<Object>::Dequeue() [with Object = double]’: main.cpp:127: … stack , queue and linked list 16 Years Ago by CaninA …int s=MAX); ~Queue(); void enqueue(int e); int dequeue(); bool isFull(); bool isEmpty(); }; Queue::Queue(int s):… back=(back+1)%size; pArray[back]=e; } int Queue::dequeue() { if(isEmpty()) { cout<<"\nQueue is …\n"; cout<<"dequeue: "<<q.dequeue()<<endl; cout<<… Re: Please help Queue distructor problem 15 Years Ago by gangsta1903 you already have a dequeue function why not use such a loop [code=C++] while(!isempty()) { dequeue(); } [/code] Class Template Inheritance Error 13 Years Ago by ace8957 …lt;T>::~Queue() { while(!isEmpty()) { dequeue(); } }//end destructor template <typename T&… <typename T> void Queue<T>::dequeue() { if(!isEmpty()) { qNode *temp = front; if… newItem) = 0; virtual T dequeue(void) = 0; // dequeue an item and return its value … Circular Linked List Copy Constructor 13 Years Ago by ace8957 …; newItem) = 0; virtual void dequeue(void) = 0; // dequeue an item and return its value virtual…<T>::~Queue() { while(!isEmpty()) { dequeue(); } }//end destructor template <typename T>…<typename T> void Queue<T>::dequeue() { if(!isEmpty()) { qNode *temp = head… Bounded Priority Queue 13 Years Ago by ace8957 …endl; }//end if Item result = qs[highest].dequeue(); count--; while(highest>0 &&… newItem) = 0; virtual void dequeue(void) = 0; // dequeue an item and return its value virtual…lt;T>::~Queue() { while(!isEmpty()) { dequeue(); } }//end destructor template <class T>… Re: Circular Queue Help 12 Years Ago by mike_2000_17 …rear %= SIZE; //wrap-around with a modulus. }; int dequeue() { int result = queueArr[front]; //read the first occupied…empty slot for 'rear' to point to. }; }; int dequeue() { int result = queueArr[front]; //read the first …empty slot for 'rear' to point to. }; }; int dequeue() { if(front == -1) { //check if queue … Can't compile 9 Years Ago by Hector_2 … public: Dynque(); ~Dynque(); void enqueue(T); void dequeue(T &); bool isEmpty(); bool isFull(); void clear…gt;::clear() { T value; // Dummy variable for dequeue while(!isEmpty()) dequeue(value); } // ********* End of queue structure ************* … Binary Tree - Works in C++ 6.0 but doesn't work in VS2008 15 Years Ago by Duki …if ( front == NULL ) rear = NULL; delete temp; length--; return; } // end dequeue() template<class T> int Queue<T>…// fini is false { fini = false; switch ( order ) { case PRE_ORDER : preQue.dequeue(item); if ( preQue.isMT() ) fini = true; break; case IN_ORDER : inQue… Binary Expression Tree 14 Years Ago by Duki …; if ( front == NULL ) rear = NULL; delete temp; length--; return; } // end dequeue() template<class T> int Queue<T>…, bool & fini) { fini = false; switch ( order ) { case PRE_ORDER : preQue.dequeue(item); if ( preQue.isMT() ) fini = true; break; case IN_ORDER : inQue… Queue operations help 13 Years Ago by BobbieJean …(); bool isEmpty(); void enqueue(int element); int dequeue(); int getFirstElement(); int getLength(); int getSize(); private… (length < size) enqueue(element); } int Queue::dequeue() { // // TODO: // This method removes and returns…gt;isEmpty() == false) { int element = queue->dequeue(); cout << " " <<… segmentation 10 Years Ago by phony … THE PARAMETER CONTAINS "T" PASSED BY REFERENCE void dequeue(T &); // // bool isEmpty(); bool isFull(); void clear…gt;::clear() { T value; // Dummy variable for dequeue while(!isEmpty()) dequeue(value); } int main() { Dynque<string>…