hello-algo/codes/cpp/chapter_stack_and_queue/queue.cpp
2022-11-30 02:27:26 +08:00

43 lines
938 B
C++

/*
* File: queue.cpp
* Created Time: 2022-11-28
* Author: qualifier1024 (2539244001@qq.com)
*/
#include "../include/include.hpp"
/* Driver Code */
int main(){
/* 初始化队列 */
queue<int> queue;
/* 元素入队 */
queue.push(1);
queue.push(3);
queue.push(2);
queue.push(5);
queue.push(4);
cout << "队列 queue = ";
PrintUtil::printQueue(queue);
/* 访问队首元素 */
int front = queue.front();
cout << "队首元素 front = " << front << endl;
/* 元素出队 */
queue.pop();
cout << "出队元素 front = " << front << ",出队后 queue = ";
PrintUtil::printQueue(queue);
/* 获取队列的长度 */
int size = queue.size();
cout << "队列长度 size = " << size << endl;
/* 判断队列是否为空 */
bool empty = queue.empty();
cout << "队列是否为空 = " << empty << endl;
return 0;
}