Алевтина Запольская (редактор отдела «Бывший СССР»)
In Who Pays for Tariffs Along the Supply Chain? Evidence from European Wine Tariffs (NBER Working Paper 34392), Aaron B. Flaaen, Ali Hortaçsu, Felix Tintelnot, Nicolás Urdaneta, and Daniel Xu examine how tariff costs propagate through each stage of the wine distribution chain. The researchers trace price changes from foreign producers to US importers, to distributors, and finally to retail consumers.，更多细节参见im钱包官方下载
。WPS下载最新地址对此有专业解读
Трамп допустил ужесточение торговых соглашений с другими странами20:46
思路：倒序遍历 2 倍长度 + 取模模拟循环 + 单调栈。用 i % len 映射到真实索引，仅当 i < len 时记录答案。。业内人士推荐WPS官方版本下载作为进阶阅读