const stack = []; // 单调递增栈：栈底→栈顶数字递增，保证高位尽可能小
Option 1: The system can update the cost of that specific shortcut in the base graph and quickly re-run the Dijkstra search (Step 2) on the abstract graph to find an alternative high-level path.
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更值得警惕的是，流量逻辑正悄然消解“忏悔”的本义。为博取关注、收割流量，部分自白被刻意放大、表演化、极端化，本该私密的自我反思、严肃的自我审视，沦为哗众取宠的情绪秀场与流量快餐。平台算法以点击率、互动率为导向，持续推送更焦虑、更愧疚、更“好哭”的内容，形成“情绪贩卖”的闭环，让青年在无休止的情绪比较中陷入二次内耗，在他人叙事里加剧自我怀疑。这种异化不仅违背了向内求解的初心，更会加剧心理学中的负向强化效应，让个体长期沉浸在愧疚、焦虑的消极认知中，非但未能完成自我救赎，反而在情绪泥潭中越陷越深。
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A spokesperson for HS2 explained that under English property law, archaeological and historical objects found during the works will either belong to the government or landowners.