* 时间复杂度: O(nlogn) 空间复杂度: O(1) 稳定: ✗
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For implementers, the locking model adds a fair amount of non-trivial internal bookkeeping. Every operation must check lock state, readers must be tracked, and the interplay between locks, cancellation, and error states creates a matrix of edge cases that must all be handled correctly.
疫情、地震、洪涝……历经各种风险挑战，防止返贫致贫的“铜墙铁壁”冲不倒、守得住！积石山的变化，正是中国为何能创造减贫奇迹的生动解答。