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From "Marco Speranza (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SANDBOX-335) [Graph] Graph Coloring: Backtracking algorithm
Date Sun, 03 Jul 2011 21:17:21 GMT

     [ https://issues.apache.org/jira/browse/SANDBOX-335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marco Speranza updated SANDBOX-335:
-----------------------------------

    Attachment: GraphColoring-BackTrackingAlgo-Snd-Fixed.patch

> [Graph] Graph Coloring: Backtracking algorithm
> ----------------------------------------------
>
>                 Key: SANDBOX-335
>                 URL: https://issues.apache.org/jira/browse/SANDBOX-335
>             Project: Commons Sandbox
>          Issue Type: Improvement
>          Components: Graph
>            Reporter: Marco Speranza
>            Priority: Minor
>         Attachments: GraphColoring-BackTrackingAlgo-Fixed.patch, GraphColoring-BackTrackingAlgo-Snd-Fixed.patch,
GraphColoring-BackTrackingAlgo.patch
>
>
> Here is an little enhancement for graph coloring problem. I implemented an bruteforce
algorithm that uses the backtracking technique to find the exact solution for the m-coloring
problem (m is the maximum number of usable colors).  

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