ผลต่างระหว่างรุ่นของ "Reconstruction problems"

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== Materials ==
 
== Materials ==
 
* Graph reconstruction
 
* Graph reconstruction
** [https://en.wikipedia.org/wiki/Graph_realization_problem Graph realization] from [http://mathworld.wolfram.com/DegreeSequence.html Degree sequence] (simple graph case)
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** [https://en.wikipedia.org/wiki/Graph_realization_problem Graph realization] from [http://mathworld.wolfram.com/DegreeSequence.html Degree sequence] (simple graph case).  This case is solvable with the [https://en.wikipedia.org/wiki/Havel%E2%80%93Hakimi_algorithm Havel-Hakimi algorithm] which is a greedy recursive algorithm.
 
*** See also the [https://en.wikipedia.org/wiki/Bipartite_realization_problem bipartite case] and [https://en.wikipedia.org/wiki/Digraph_realization_problem directed graph case].  (Not sure if they are approachable.)
 
*** See also the [https://en.wikipedia.org/wiki/Bipartite_realization_problem bipartite case] and [https://en.wikipedia.org/wiki/Digraph_realization_problem directed graph case].  (Not sure if they are approachable.)
  

รุ่นแก้ไขเมื่อ 14:07, 21 มีนาคม 2559

Materials

Tasks

  • IOI'14 Rail
  • IOI'15 Towns (get partial scores)