45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/*#############################################################################
|
|
## Author: Shaun Reed ##
|
|
## Legal: All Content (c) 2020 Shaun Reed, all rights reserved ##
|
|
## About: An example of a queue implementation using linked lists ##
|
|
## ##
|
|
## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
|
|
##############################################################################
|
|
## queuelist.h
|
|
*/
|
|
|
|
#ifndef QUEUELIST_H
|
|
#define QUEUELIST_H
|
|
|
|
#include <iostream>
|
|
|
|
class QueueList {
|
|
public:
|
|
QueueList() : head(NULL), tail(NULL){};
|
|
QueueList(const QueueList& rhs);
|
|
QueueList operator=(QueueList rhs);
|
|
~QueueList();
|
|
bool enqueue(int val);
|
|
int dequeue();
|
|
int next() const;
|
|
bool isEmpty() const;
|
|
void print() const;
|
|
void makeEmpty();
|
|
|
|
private:
|
|
struct Node {
|
|
int data;
|
|
Node *next;
|
|
Node(): data(), next(NULL) {};
|
|
Node(int val): data(val), next(NULL) {};
|
|
};
|
|
Node *head, *tail;
|
|
bool enqueue(int val, Node *&head);
|
|
int dequeue(Node *&tail);
|
|
void print(Node *start) const;
|
|
void makeEmpty(Node *&head);
|
|
|
|
};
|
|
|
|
#endif
|