Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00620-x
定存什么：要下标/距离就栈里存索引，只要值就存值或存索引再 nums[i] 取。
，这一点在服务器推荐中也有详细论述
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"In Venezuela, you're dealing with equipment that's been degraded by many years of neglect," says Jackson. "Ten to 15 years ago, Venezuela was producing 1.5 million barrels a day more than it does today."