* - this.stack：单调递减栈，存储「价格对应的索引」，栈顶→栈底索引对应的价格单调递减
to_be_deleted[classno] = h->next;
，推荐阅读WPS下载最新地址获取更多信息
Цены на нефть взлетели до максимума за полгода17:55
Dr Bramall said the BMA had not had an opportunity to negotiate with the government about the changes.