The curtain of reality had pulled back for me, and I could no longer pretend to be ignorant of these eldritch possibilities. I furiously began to map the known breakfasts. If the dark breakfast exists, I must be able to find it in the interstices of the normal familiar world.
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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spoof(hookedSet, origSet);
中国商务部日前发布公告，决定将20家参与提升日本军事实力的实体列入出口管制管控名单，同时将20家无法核实两用物项最终用户、最终用途的日本实体列入关注名单。中方此举旨在维护国家安全和利益、履行防扩散等国际义务，制止日本“再军事化”和拥核企图，完全正当、合理、合法，彰显了法治精神与负责任大国担当。