//LinkQueue.cpp

#include "LinkQueue.h"
#include<iostream>

using namespace std;

void initQueue(linkQueue &q) {
    q.list = new Node;
    q.list->next = NULL;
    q.front = q.rear = q.list;
}

bool isEmpty(linkQueue &q) {
    if (q.front == q.rear) {
        return true;
    }
    return false;
}

void enQueue(linkQueue &q, int e) {
    q.rear->next = new Node;
    q.rear->next->data = e;
    q.rear = q.rear->next;
}

int deQueue(linkQueue &q) {
    if (isEmpty(q)) {
        cout << "此队列为空" << endl;
        return NULL;
    }
    Node *temp = q.front->next;
    q.front = temp;
    int returnE = q.front->data;
    delete temp;
    if (q.front->next == NULL) {
        q.rear = q.front;
    }
    return returnE;
}