const n = prices.length;
You MUST obey ALL the FOLLOWING implementation notes:
，更多细节参见heLLoword翻译官方下载
Offers free version。服务器推荐对此有专业解读
// 倒序遍历：从最后一天开始缓存右侧高温信息（易错点1：必须倒序）
Annual energy bills will fall by £117 for millions of households from April after Rachel Reeves’s plan to cut £150 a year from bills was partly foiled by rising costs.