/** * File: queue.cpp * Created Time: 2022-11-28 * Author: qualifier1024 (2539244001@qq.com) */ #include "../utils/common.hpp" /* Driver Code */ int main() { /* Initialize queue */ queue queue; /* Element enqueue */ queue.push(1); queue.push(3); queue.push(2); queue.push(5); queue.push(4); cout << "Queue queue = "; printQueue(queue); /* Access front element */ int front = queue.front(); cout << "Front element of the queue front = " << front << endl; /* Element dequeue */ queue.pop(); cout << "Element dequeued = " << front << ", after dequeuing"; printQueue(queue); /* Get the length of the queue */ int size = queue.size(); cout << "Length of the queue size = " << size << endl; /* Determine if the queue is empty */ bool empty = queue.empty(); cout << "Is the queue empty = " << empty << endl; return 0; }