stack.pop(); // 弹出无效元素
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（二）依法应当由行政机关处理的行政争议。
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The latest test of Space X's giant Starship rocket has failed, minutes after launch.
The perpetrator of the shooting had their ChatGPT account suspended in June 2025 after OpenAI detected content from the user that presented "an indication of potential real-world violence." OpenAI banned the user and considered alerting authorities. However, OpenAI decided not to inform law enforcement after determining that the user had no credible plan to act out.。搜狗输入法下载对此有专业解读