输入：num = "1432219", k = 3
Negotiations between the Pentagon and the AI company Anthropic were severely complicated on Friday when President Donald Trump announced on Truth Social that the government would stop utilizing the company’s tech. The president ordered the Pentagon to begin a six-month phase-out, accusing Anthropic of being run by "Leftwing nut jobs."
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从数据来看，这一转向产生了双重积极效应：在需求侧，携程平台上小团产品的人均消费提升了80%，出行天数增加了13%，证明市场愿意为优质服务付费。在供给侧，平台引导了3500家中小旅行社进行服务升级，并直接催生了超过50000个新增就业岗位，其中半数以上位于二线及以下城市。。业内人士推荐同城约会作为进阶阅读
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