在硅谷的实验室里，人工智能正以惊人的速度学习新技能；在中国和德国的工厂里，机器人昼夜不停地装配汽车与电子产品。科技进步本应造福全人类，然而，这场革命的红利却未能惠及所有人。相反，全球贫富差距正在拉大，大量普通工人因自动化而失业，发展中国家的生存压力日益加剧。 人工智能的飞速发展…

我回忆中的游戏。。

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Given a one-dimensional array A[1..n] containing positive and negative numbers, find a contiguous subarray A[i..j] such that the sum of the…

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In the laboratories of Silicon Valley, artificial intelligence is learning new skills at an astonishing speed; in factories in China and…

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