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。
Gareth, 31, was helped into accommodation six months ago.
В Финляндии предупредили об опасном шаге ЕС против России09:28
Firefox adds AI kill switch for users who are sick and tired of AI-everything
Labour backbenchers turn on Rachel Reeves as MP claims former students are stuck in a loans ‘Hotel California’