优势：时间复杂度O(n+k)，k为数据范围
Дания захотела отказать в убежище украинцам призывного возраста09:44。关于这个话题，91视频提供了深入分析
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This fragmentation hurts portability. Code that performs well on one runtime may behave differently (or poorly) on another, even though it's using "standard" APIs. The complexity burden on runtime implementers is substantial, and the subtle behavioral differences create friction for developers trying to write cross-runtime code, particularly those maintaining frameworks that must be able to run efficiently across many runtime environments.