需要元素值：栈存值，或答案存索引后用 nums[res[i]] 取值。
昨天，xAI 12 位联合创始人之一的 Toby Pohlen 发文宣布离职。
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62. 事关每一个人，2万字的“十五五”规划蓝图，藏着哪些大机遇？ - 21经济网 - 21财经, www.21jingji.com/article/202…
OpenAI has raised $110 billion in private funding, the company announced Friday morning, commencing one of the largest private funding rounds in history. The new funding consists of a $50 billion investment from Amazon as well as $30 billion each from Nvidia and SoftBank, against a $730 billion pre-money valuation.