Language is c++. Write a queue class to implement a queue using a 2 directional
ID: 3800687 • Letter: L
Question
Language is c++.
Write a queue class to implement a queue using a 2 directional linked list.
Test the program with the following sequence of code:
queue myQ; ( Use default constructor to initialize front and end to NULL. )
cout<< myQ.size() << endl; // number of elements in queue
myQ.dequeue(); // Try to deqeue when the queue is empty. Should catch UNDERFLOW
myQ.enqueue("Fred");
myQ.enqueue("Liv");
myQ.enqueue("Julie");
myQ.enqueue("Rich");
myQ.enqueue("William");
myQ.enqueue("Olo");
myQ.enqueue("Xi");
myQ.enqueue("Chu");
myQ.enqueue("Annie");
myQ.enqueue("Carlos");
myQ.enqueue("Tuyet");
myQ.enqueue("Sue");
cout<< myQ.front() << endl; // name at front, if not empty
cout<< myQ.end() << endl; // name at end, if not empty
cout<< myQ.size() << endl; // number of elements in queue
cout << myQ.dequeue() << endl;
cout << myQ.dequeue() << endl;
cout << myQ.dequeue() << endl;;
myQ.enqueue("Olive");
myQ.enqueue("Jim");
cout << myQ.dequeue() << endl;
cout << myQ.dequeue() << endl;
cout<< myQ.front() << endl; // name at front, if not empty
cout<< myQ.end() << endl; // name at end, if not empty
cout<< myQ.size() << endl; // number of elements in queue
Please I need I functional code.
Explanation / Answer
queue myQ; ( Use default constructor to initialize front and end to NULL. )
cout<< myQ.size() << endl; // number of elements in queue
myQ.dequeue(); // Try to deqeue when the queue is empty. Should catch UNDERFLOW
myQ.enqueue("Fred");
myQ.enqueue("Liv");
myQ.enqueue("Julie");
myQ.enqueue("Rich");
myQ.enqueue("William");
myQ.enqueue("Olo");
myQ.enqueue("Xi");
myQ.enqueue("Chu");
myQ.enqueue("Annie");
myQ.enqueue("Carlos");
myQ.enqueue("Tuyet");
myQ.enqueue("Sue");
cout<< myQ.front() << endl; // name at front, if not empty
cout<< myQ.end() << endl; // name at end, if not empty
cout<< myQ.size() << endl; // number of elements in queue
cout << myQ.dequeue() << endl;
cout << myQ.dequeue() << endl;
cout << myQ.dequeue() << endl;;
myQ.enqueue("Olive");
myQ.enqueue("Jim");
cout << myQ.dequeue() << endl;
cout << myQ.dequeue() << endl;
cout<< myQ.front() << endl; // name at front, if not empty
cout<< myQ.end() << endl; // name at end, if not empty
cout<< myQ.size() << endl;
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