Average disposable income - which measures the amount of money people have left to spend after they have paid tax – will give us an indication of households' spending power in the coming years.
Specification of Some Prerequisites
，推荐阅读体育直播获取更多信息
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。
dataclasses-style method generation