For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.
It started as a power struggle between the Sudanese Armed Forces and the RSF, a paramilitary force appointed by and loyal to the country's long-time former military ruler Omar al-Bashir, who was deposed in 2019 following widespread public protests.
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然而，在闫建涛看来，增产在当前的局面下“微不足道”，因为现在的问题不再是产能，而是物流。如果霍尔木兹海峡关闭，额外的原油根本无法运达市场。