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hello-algo/zh-hant/codes/cpp/chapter_stack_and_queue/queue.cpp

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896 B

/**
* File: queue.cpp
* Created Time: 2022-11-28
* Author: qualifier1024 (2539244001@qq.com)
*/
#include "../utils/common.hpp"
/* Driver Code */
int main() {
/* 初始化佇列 */
queue<int> queue;
/* 元素入列 */
queue.push(1);
queue.push(3);
queue.push(2);
queue.push(5);
queue.push(4);
cout << "佇列 queue = ";
printQueue(queue);
/* 訪問佇列首元素 */
int front = queue.front();
cout << "佇列首元素 front = " << front << endl;
/* 元素出列 */
queue.pop();
cout << "出列元素 front = " << front << ",出列後 queue = ";
printQueue(queue);
/* 獲取佇列的長度 */
int size = queue.size();
cout << "佇列長度 size = " << size << endl;
/* 判斷佇列是否為空 */
bool empty = queue.empty();
cout << "佇列是否為空 = " << empty << endl;
return 0;
}