食物
发表于 2025-3-25 07:05:11
Dietrich Schmählh (.RSP) problem is to compute . (edge) disjoint minimum cost paths between two distinct vertices ., . ∈ ., such that the total delay of these paths are bounded by a given delay constraint .. This problem is known to be NP-hard, even when . = 1 . Approximation algorithms with bifactor ratio . and
宽宏大量
发表于 2025-3-25 07:59:38
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暂时别动
发表于 2025-3-25 14:29:23
distinct positions in the Euclidean plane. Since robots are opaque, if three robots lie on a line, the middle robot obstructs the visions of the two other robots. The mutual visibility problem requires the robots to coordinate their movements to form a configuration, within finite time and without
DEBT
发表于 2025-3-25 17:33:39
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斗志
发表于 2025-3-25 23:16:22
Hubert Niederländerction that an American Century of global peace and prosperity had begun. This new generation was ready to take charge and share the nation’s good fortune and heal a divided world. Among the many endeavors that illustrated this promise, the US space program demonstrated quite dramatically that Americ
AV-node
发表于 2025-3-26 01:44:45
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GIST
发表于 2025-3-26 06:23:27
Wilhelm DoerrGambette and Vialette. We also prove that recognizing depth-two 2-track interval graphs is NP-complete, even for the unit case. In sharp contrast, we present a simple linear-time algorithm for recognizing depth-two unit .-interval graphs. These and other results of ours give partial answers to a que
揭穿真相
发表于 2025-3-26 11:53:24
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谄媚于人
发表于 2025-3-26 16:05:14
Dietrich Schmählhen it is improved such that for any resulted solution, there exists a real number 0 ≤ . ≤ 2 that the delay and the cost of the solution is bounded, respectively, by . times and 2 − . times of that of an optimal solution. These two algorithms are both based on rounding a basic optimal solution of a
hardheaded
发表于 2025-3-26 20:27:25
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