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。
"When you look at the date on the bottom of the 16oz bottles, some were manufactured in the 1960s and 70s. It's really cool to see them still going through our washer today. We'd love to keep the tradition alive as long as we can."，推荐阅读heLLoword翻译官方下载获取更多信息
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此刻，请你活在问题之中。或许有一天，在你未曾察觉之时，你已渐渐走入答案。，推荐阅读搜狗输入法下载获取更多信息