// 步骤3：从后往前遍历数组（反向遍历更易理解，每个元素只入栈/出栈一次）
Что думаешь? Оцени!
。关于这个话题，WPS下载最新地址提供了深入分析
Score: 7ProsConsTiny and lightweight
The city’s police department has released images of three other people it is seeking in connection with the snowball fight. Police Commissioner Jessica Tisch has called the treatment of officers at the fight “disgraceful” and “criminal.”