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。
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，详情可参考雷电模拟器官方版本下载
The couple may decide to have a second baby, after which surgeons will remove the transplanted womb. This is to save Bell from taking a lifetime of strong drugs to prevent the body's immune system attacking the transplanted organ.
# Extract files to disk