刻苦读书
发表于 2025-3-25 04:51:12
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ironic
发表于 2025-3-25 09:10:49
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Graduated
发表于 2025-3-25 14:48:35
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TOXIN
发表于 2025-3-25 19:15:42
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Exposition
发表于 2025-3-25 22:49:05
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Acclaim
发表于 2025-3-26 01:07:24
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profligate
发表于 2025-3-26 05:21:13
https://doi.org/10.1007/978-3-8350-9627-1e distance between any two vertices in . is larger than that distance in . by no more than a factor of .. This paper concerns the hardness of finding spanners with the number of edges close to the optimum. It is proved that for every fixed . approximating the spanner problem is at least as hard as a
透明
发表于 2025-3-26 10:16:28
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新鲜
发表于 2025-3-26 16:20:05
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疾驰
发表于 2025-3-26 19:24:27
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